How do I remove accents from characters in a PHP string

Question

I m attempting to remove accents from characters in PHP string as the first step to making the string usable in a URL   I m using the following code    input    F     B  r    setlocale LC ALL   en US utf8     output   iconv  utf-8    ascii  TRANSLIT    input    print  output     The output I would expect would be something like this   F oo Bar   However  instead of the accented characters being transliterated they are replaced with question marks   F   B r   Everything I can find online indicates that setting the locale will fix this problem  however I m already doing this   I ve already checked the following details    The locale I am setting is supported by the server  included in the list produced by locale -a  The source and target encodings  UTF-8 and ASCII  are supported by the server s version of iconv  included in the list produced by iconv -l  The input string is UTF-8 encoded  verified using PHP s mb check encoding function  as suggested in the answer by mercator  The call to setlocale is successful  it returns  en US utf8  rather than FALSE      The cause of the problem   The server is using the wrong implementation of iconv   It has the glibc version instead of the required libiconv version      Note that the iconv function on some systems may not work as you expect  In such case  it d be a good idea to install the GNU libiconv library  It will most likely end up with more consistent results        PHP manual s introduction to iconv   Details about the iconv implementation that is used by PHP are included in the output of the phpinfo function    I m not able to re-compile PHP with the correct iconv library on the server I m working with for this project so the answer I ve accepted below is the one that was most useful for removing accents without iconv support

User · Answer

This is a piece of code I found and use often   function stripAccents  stripAccents     return strtr  stripAccents                                                                                                           aaaaaceeeeiiiinooooouuuuyyAAAAACEEEEIIIINOOOOOUUUUY

User · Answer

lt  php        Thanks       - The idea of extracting accents equiv chars with the help of the HTMLSpecialChars convertion was taking from ICanBoogie Package of  Olivier Laviale    link http   www weirdog com blog php supprimer-les-accents-des-caracteres-accentues html     function accentCharsModifier  str       if   length mb strlen  str  UTF-8    lt strlen  str             i  count 0          while  i lt  length               if strlen  c mb substr  str  i 1  UTF-8    gt 1                    he htmlentities  c                    if   nC preg replace    amp   A-Za-z     acute cedil caron circ grave orn ring slash th tilde uml         1    he     he                          nC preg replace    amp   A-Za-z  2     lig         1    he     he                          nC preg replace    amp                he     he                        str str replace  c  nC  str  count  if  nC       length  length- count  i--                                                i                        return  str    echo accentCharsModifier   amp     pkA          gt

User · Answer

You could use urlencode   Does not quite do what you want  remove accents   but will give you a url usable string   output   urlencode   input     In Perl I could use a translate regex  but I cannot think of the PHP equivalent   input    tr          aaaa     etc     you could do this using preg replace   patterns 0                           patterns 1                           patterns 2                        patterns 3                              patterns 4                        patterns 5             patterns 6             patterns 7             replacements 0     a    replacements 1     e    replacements 2     i    replacements 3     o    replacements 4     u    replacements 5     ae    replacements 6     c    replacements 7     ss     output   preg replace  patterns   replacements   input      Please note this was typed from a foggy beer ridden Friday after noon memory  so may not be 100  correct   or you could make a hash table and do a replacement based off of that

User · Answer

I think the problem here is that your encodings consider    and    different symbols to  a   In fact  the PHP documentation for strtr offers a sample for removing accents the ugly way     http   ie2 php net strtr

User · Answer

One of the tricks I stumbled upon on the web was using htmlentities then stripping the encoded character     stripped   preg replace    amp             htmlentities  string      Not perfect but it does work well in some case   But  you re writing about creating an URL string  so urlencode and its counterpart urldecode may be better  Or  if you are creating a query string  use this last function   http build query

User · Answer

The easiest way is to use iconv   PHP native function    echo iconv  UTF-8    ASCII  TRANSLIT  IGNORE    Th  s   s    v  ry wrong s  nt  nce          output  This is a very wrong sentence

User · Answer

I agree with georgebrock s comment   If you find a way to get   TRANSLIT to work  you can build friendly URLs    use iconv with   TRANSLIT       n    remove non-alphanumeric non-whitespace chars inside words   url   preg replace      w    w s   w       1 2    url    replace remaining separations   url   preg replace      a-z0-9       -    url    remove double leading traling   url   preg replace   -   e g           -  -   -           url       If you can t get it to work  replace setp 1 with strtr character-based replacement  like Xetius  solution

User · Answer

What s wrong with this one  Works with UTF8  function strip accents  s     return str replace      explode      preg replace               c c       d  C C                                                                                                                                                                            explode      preg replace               c c z s dj C C Z S DJ a a a a a c e e e e i i i i n o o o o o u u u u y y A A A A A C E E E E I I I I N O O O O O U U U U Y          s       It can be faster by not using preg replace  but speed was not my goal here

User · Answer

You can use an array key    value style to use with strtr   safely for UTF-8 characters even if they are multi-bytes   function no accent  str        accents   array        gt   A          gt   A          gt   A          gt   A          gt   A          gt   A          gt   a          gt   a          gt   a          gt   a          gt   a          gt   a    A    gt   A    a    gt   a    A    gt   A    a    gt   a    A    gt   A    a    gt   a          gt   C          gt   c    C    gt   C    c    gt   c    C    gt   C    c    gt   c    C    gt   C    c    gt   c    C    gt   C    c    gt   c          gt   D          gt   d    D    gt   D    d    gt   d          gt   D    d    gt   d          gt   E          gt   E          gt   E          gt   E          gt   e          gt   e          gt   e          gt   e    E    gt   E    e    gt   e    E    gt   E    e    gt   e    E    gt   E    e    gt   e    E    gt   E    e    gt   e    E    gt   E    e    gt   e    G    gt   G    g    gt   g    G    gt   G    g    gt   g    G    gt   G    g    gt   g    G    gt   G    g    gt   g    H    gt   H    h    gt   h    H    gt   H    h    gt   h          gt   I          gt   I          gt   I          gt   I          gt   i          gt   i          gt   i          gt   i    I    gt   I    i    gt   i    I    gt   I    i    gt   i    I    gt   I    i    gt   i    I    gt   I    i    gt   i    I    gt   I    i    gt   i    J    gt   J    j    gt   j    K    gt   K    k    gt   k         gt   k    L    gt   L    l    gt   l    L    gt   L    l    gt   l    L    gt   L    l    gt   l         gt   L         gt   l    L    gt   L    l    gt   l          gt   N          gt   n    N    gt   N    n    gt   n    N    gt   N    n    gt   n    N    gt   N    n    gt   n         gt   n         gt   N         gt   n          gt   O          gt   O          gt   O          gt   O          gt   O          gt   O          gt   o          gt   o          gt   o          gt   o          gt   o          gt   o    O    gt   O    o    gt   o    O    gt   O    o    gt   o    O    gt   O    o    gt   o    R    gt   R    r    gt   r    R    gt   R    r    gt   r    R    gt   R    r    gt   r    S    gt   S    s    gt   s    S    gt   S    s    gt   s    S    gt   S    s    gt   s          gt   S          gt   s         gt   s    T    gt   T    t    gt   t    T    gt   T    t    gt   t    T    gt   T    t    gt   t          gt   U          gt   U          gt   U          gt   U          gt   u          gt   u          gt   u          gt   u    U    gt   U    u    gt   u    U    gt   U    u    gt   u    U    gt   U    u    gt   u    U    gt   U    u    gt   u    U    gt   U    u    gt   u    U    gt   U    u    gt   u    W    gt   W    w    gt   w          gt   Y          gt   y          gt   y    Y    gt   Y    y    gt   y          gt   Y    Z    gt   Z    z    gt   z    Z    gt   Z    z    gt   z          gt   Z          gt   z        return strtr  str   accents       Plus  you save decode encode in UTF-8 part

User · Answer

UTF-8 friendly version of the simple function posted above by Gino   function stripAccents  str        return strtr utf8 decode  str   utf8 decode                                                                                                             aaaaaceeeeiiiinooooouuuuyyAAAAACEEEEIIIINOOOOOUUUUY        Had to come to this because my php document was UTF-8 encoded   Hope it helps

User · Answer

Indeed is a matter of taste  There are many flavors for converting such letters   function replaceAccents  str       a   array                                                                                                                                                                                                                                                                                                                                                                    A    a    A    a    A    a    C    c    C    c    C    c    C    c    D    d          d    E    e    E    e    E    e    E    e    E    e    G    g    G    g    G    g    G    g    H    h    H    h    I    i    I    i    I    i    I    i    I    i              J    j    K    k    L    l    L    l    L    l              L    l    N    n    N    n    N    n         O    o    O    o    O    o                R    r    R    r    R    r    S    s    S    s    S    s                T    t    T    t    T    t    U    u    U    u    U    u    U    u    U    u    U    u    W    w    Y    y          Z    z    Z    z                           O    o    U    u    A    a    I    i    O    o    U    u    U    u    U    u    U    u    U    u                                     b   array  A    A    A    A    A    A    AE    C    E    E    E    E    I    I    I    I    D    N    O    O    O    O    O    O    U    U    U    U    Y    s    a    a    a    a    a    a    ae    c    e    e    e    e    i    i    i    i    n    o    o    o    o    o    o    u    u    u    u    y    y    A    a    A    a    A    a    C    c    C    c    C    c    C    c    D    d    D    d    E    e    E    e    E    e    E    e    E    e    G    g    G    g    G    g    G    g    H    h    H    h    I    i    I    i    I    i    I    i    I    i    IJ    ij    J    j    K    k    L    l    L    l    L    l    L    l    l    l    N    n    N    n    N    n    n    O    o    O    o    O    o    OE    oe    R    r    R    r    R    r    S    s    S    s    S    s    S    s    T    t    T    t    T    t    U    u    U    u    U    u    U    u    U    u    U    u    W    w    Y    y    Y    Z    z    Z    z    Z    z    s    f    O    o    U    u    A    a    I    i    O    o    U    u    U    u    U    u    U    u    U    u    A    a    AE    ae    O    o      return str replace  a   b   str

User · Answer

I just created a removeAccents method based on the reading of this thread and this other one too  How to remove accents and turn letters into  quot plain quot  ASCII characters     The method is here  https   github com lingtalfi Bat blob master StringTool md removeaccents  Tests are here  https   github com lingtalfi Bat blob master btests StringTool removeAccents stringTool removeAccents test php   and here is what was tested so far    a            easy              a        apr  s        d  d   fait la f  te            hard                                                                                                                    ZZCNASLE  zzcnasle          qqqqZZCNASLE  zzcnasle  qqq                                                                                                                                                                                                                                                                           AaAaAaCcCcCcCcDd  dEeEeEeEeEeGgGgGgGgHhHhIiIiIiIiIJjKk        LlLlLl  LlNnNnNn OoOoOoRrRrRrSsSsSs    TtTtTtUuUuUuUuUuUuWwYy  ZzZz               OoUuAaIiOoUuUuUuUuUu                      and it converts only accentuated things  letters ligatures c  dilles some letters with a line through         Here is the content of the method   https   github com lingtalfi Bat blob master StringTool php L83   public static function removeAccents  str        static  map                single letters                gt   a                  gt   a                  gt   a                  gt   a                  gt   a            a    gt   a                  gt   a            a    gt   a            a    gt   a            a    gt   a                 gt   a                  gt   A                  gt   A                  gt   A                  gt   A                  gt   A            A    gt   A                  gt   A            A    gt   A            A    gt   A            A    gt   A                 gt   A               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         gt   Y                  gt   Y            Y    gt   Y             z    gt   z            z    gt   z                  gt   z            Z    gt   Z            Z    gt   Z                  gt   Z                accentuated ligatures               gt   A                 gt   a              return strtr  str   map

User · Answer

I can t reproduce your problem  I get the expected result   How exactly are you using mb detect encoding   to verify your string is in fact UTF-8   If I simply call mb detect encoding  input  on both a UTF-8 and ISO-8859-1 encoded version of your string  both of them return  UTF-8   so that function isn t particularly reliable   iconv   gives me a PHP  notice  when it gets the wrongly encoded string and only echoes  F   but that might just be because of different PHP iconv settings versions       I suggest to you try calling mb check encoding  input   utf-8   first to verify that your string really is UTF-8  I think it probably isn t

User · Answer

if you have http   php net manual en book intl php available  this solved your problem   string    F     B  r    transliterator   Transliterator  createFromRules     Any-Latin     Latin-ASCII     NFD       Nonspacing Mark   Remove     Lower       NFC    Transliterator  FORWARD   echo  normalized    transliterator- gt transliterate  string

User · Answer

unwanted array   array       amp amp     gt   and     amp     gt   and         gt   at          gt   c          gt   r          gt          gt         gt          gt         gt           gt  a        gt  a        gt  a        gt  a   A   gt  a   a   gt  a       gt  a       gt  A       gt  A        gt  a       gt  a       gt  A       gt  a       gt  A        gt  a        gt  a       gt  a       gt  A        gt  a       gt  a       gt  a       gt  A   A   gt  a   a   gt  a        gt  a        gt  a       gt  a        gt  a        gt  a        gt  a        gt  a        gt  A   A   gt  a   a   gt  a   A   gt  a   a   gt  a        gt  a       gt  a       gt  A       gt  a       gt  a       gt  A       gt  a       gt  A        gt  ae         gt  ae       gt  ae       gt  ae       gt  a       gt  A    C   gt  c   c   gt  c   C   gt  c   c   gt  c   C   gt  c   c   gt  c   C   gt  c   c   gt  c        gt  c        gt  c    D   gt  d   d   gt  d       gt  D       gt  d        gt  d   d   gt  d  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m       gt  n       gt  n       gt  o       gt  o       gt  p       gt  p       gt  r       gt  r       gt  s       gt  s        gt  t       gt  t       gt  u       gt  u       gt  f       gt  f       gt  h       gt  h       gt  c       gt  c       gt  ch       gt  ch        gt  sh       gt  sh       gt  sch       gt  sch       gt  -        gt  -       gt  y       gt  y       gt  -       gt  -        gt  je       gt  je       gt  ju       gt  ju       gt  ja       gt  ja       gt  a       gt  b       gt  g       gt  d       gt  h       gt  v        gt  z       gt  h       gt  t       gt  i       gt  k       gt  k       gt  l       gt  m       gt  m       gt  n       gt  n       gt  s       gt  e        gt  p       gt  p       gt  C       gt  c       gt  q       gt  r       gt  w       gt  t       accentsRemoved   strtr   stringToRemoveAccents    unwanted array

User · Answer

Merged Cazuma Nii Cavalcanti s implementation with Junior Mayh   s char list  hoping to save some time for some of you   function stripAccents  str        return strtr utf8 decode  str   utf8 decode                                                                                                                        AaAaAaCcCcCcCcDd  dEeEeEeEeEeGgGgGgGgHhHhIiIiIiIiIi  JjKkLlLlLl  LlNnNnNn OoOoOo    RrRrRrSsSsSs    TtTtTtUuUuUuUuUuUuWwYy  ZzZz       OoUuAaIiOoUuUuUuUuUu           AAAAAAAECEEEEIIIIDNOOOOOOUUUUYsaaaaaaaeceeeeiiiinoooooouuuuyyAaAaAaCcCcCcCcDdDdEeEeEeEeEeGgGgGgGgHhHhIiIiIiIiIiIJijJjKkLlLlLlLlllNnNnNnnOoOoOoOEoeRrRrRrSsSsSsSsTtTtTtUuUuUuUuUuUuWwYyYZzZzZzsfOoUuAaIiOoUuUuUuUuUuAaAEaeOo

User · Answer

An improved version of remove accents   function according to last version Wordpress 4 3 formatting is   function mbstring binary safe encoding   reset   false         static  encodings   array        static  overloaded   null       if   is null   overloaded              overloaded   function exists   mb internal encoding     amp  amp    ini get   mbstring func overload     amp  2         if   false      overloaded           return       if      reset              encoding   mb internal encoding            array push   encodings   encoding            mb internal encoding   ISO-8859-1                if    reset  amp  amp   encodings              encoding   array pop   encodings            mb internal encoding   encoding             function reset mbstring encoding         mbstring binary safe encoding  true       function seems utf8   str         mbstring binary safe encoding         length   strlen  str       reset mbstring encoding        for   i 0   i  lt   length   i               c   ord  str  i            if   c  lt  0x80   n   0     0bbbbbbb         elseif    c  amp  0xE0     0xC0   n 1     110bbbbb         elseif    c  amp  0xF0     0xE0   n 2     1110bbbb         elseif    c  amp  0xF8     0xF0   n 3     11110bbb         elseif    c  amp  0xFC     0xF8   n 4     111110bb         elseif    c  amp  0xFE     0xFC   n 5     1111110b         else return false     Does not match any model         for   j 0   j lt  n   j         n bytes matching 10bbbbbb follow               if      i     length       ord  str  i    amp  0xC0     0x80                   return false                      return true     function remove accents   string         if    preg match     x80- xff      string            return  string       if  seems utf8  string              chars   array                 Decompositions for Latin-1 Supplement             chr 194  chr 170    gt   a   chr 194  chr 186    gt   o               chr 195  chr 128    gt   A   chr 195  chr 129    gt   A               chr 195  chr 130    gt   A   chr 195  chr 131    gt   A               chr 195  chr 132    gt   A   chr 195  chr 133    gt   A               chr 195  chr 134    gt   AE  chr 195  chr 135    gt   C               chr 195  chr 136    gt   E   chr 195  chr 137    gt   E               chr 195  chr 138    gt   E   chr 195  chr 139    gt   E               chr 195  chr 140    gt   I   chr 195  chr 141    gt   I               chr 195  chr 142    gt   I   chr 195  chr 143    gt   I               chr 195  chr 144    gt   D   chr 195  chr 145    gt   N               chr 195  chr 146    gt   O   chr 195  chr 147    gt   O               chr 195  chr 148    gt   O   chr 195  chr 149    gt   O               chr 195  chr 150    gt   O   chr 195  chr 153    gt   U               chr 195  chr 154    gt   U   chr 195  chr 155    gt   U               chr 195  chr 156    gt   U   chr 195  chr 157    gt   Y               chr 195  chr 158    gt   TH  chr 195  chr 159    gt   s               chr 195  chr 160    gt   a   chr 195  chr 161    gt   a               chr 195  chr 162    gt   a   chr 195  chr 163    gt   a               chr 195  chr 164    gt   a   chr 195  chr 165    gt   a               chr 195  chr 166    gt   ae  chr 195  chr 167    gt   c               chr 195  chr 168    gt   e   chr 195  chr 169    gt   e               chr 195  chr 170    gt   e   chr 195  chr 171    gt   e               chr 195  chr 172    gt   i   chr 195  chr 173    gt   i               chr 195  chr 174    gt   i   chr 195  chr 175    gt   i               chr 195  chr 176    gt   d   chr 195  chr 177    gt   n               chr 195  chr 178    gt   o   chr 195  chr 179    gt   o               chr 195  chr 180    gt   o   chr 195  chr 181    gt   o               chr 195  chr 182    gt   o   chr 195  chr 184    gt   o               chr 195  chr 185    gt   u   chr 195  chr 186    gt   u               chr 195  chr 187    gt   u   chr 195  chr 188    gt   u               chr 195  chr 189    gt   y   chr 195  chr 190    gt   th               chr 195  chr 191    gt   y   chr 195  chr 152    gt   O                  Decompositions for Latin Extended-A             chr 196  chr 128    gt   A   chr 196  chr 129    gt   a               chr 196  chr 130    gt   A   chr 196  chr 131    gt   a               chr 196  chr 132    gt   A   chr 196  chr 133    gt   a               chr 196  chr 134    gt   C   chr 196  chr 135    gt   c               chr 196  chr 136    gt   C   chr 196  chr 137    gt   c               chr 196  chr 138    gt   C   chr 196  chr 139    gt   c               chr 196  chr 140    gt   C   chr 196  chr 141    gt   c               chr 196  chr 142    gt   D   chr 196  chr 143    gt   d               chr 196  chr 144    gt   D   chr 196  chr 145    gt   d               chr 196  chr 146    gt   E   chr 196  chr 147    gt   e               chr 196  chr 148    gt   E   chr 196  chr 149    gt   e               chr 196  chr 150    gt   E   chr 196  chr 151    gt   e               chr 196  chr 152    gt   E   chr 196  chr 153    gt   e               chr 196  chr 154    gt   E   chr 196  chr 155    gt   e               chr 196  chr 156    gt   G   chr 196  chr 157    gt   g               chr 196  chr 158    gt   G   chr 196  chr 159    gt   g               chr 196  chr 160    gt   G   chr 196  chr 161    gt   g               chr 196  chr 162    gt   G   chr 196  chr 163    gt   g               chr 196  chr 164    gt   H   chr 196  chr 165    gt   h               chr 196  chr 166    gt   H   chr 196  chr 167    gt   h               chr 196  chr 168    gt   I   chr 196  chr 169    gt   i               chr 196  chr 170    gt   I   chr 196  chr 171    gt   i               chr 196  chr 172    gt   I   chr 196  chr 173    gt   i               chr 196  chr 174    gt   I   chr 196  chr 175    gt   i               chr 196  chr 176    gt   I   chr 196  chr 177    gt   i               chr 196  chr 178    gt   IJ  chr 196  chr 179    gt   ij               chr 196  chr 180    gt   J   chr 196  chr 181    gt   j               chr 196  chr 182    gt   K   chr 196  chr 183    gt   k               chr 196  chr 184    gt   k   chr 196  chr 185    gt   L               chr 196  chr 186    gt   l   chr 196  chr 187    gt   L               chr 196  chr 188    gt   l   chr 196  chr 189    gt   L               chr 196  chr 190    gt   l   chr 196  chr 191    gt   L               chr 197  chr 128    gt   l   chr 197  chr 129    gt   L               chr 197  chr 130    gt   l   chr 197  chr 131    gt   N               chr 197  chr 132    gt   n   chr 197  chr 133    gt   N               chr 197  chr 134    gt   n   chr 197  chr 135    gt   N               chr 197  chr 136    gt   n   chr 197  chr 137    gt   N               chr 197  chr 138    gt   n   chr 197  chr 139    gt   N               chr 197  chr 140    gt   O   chr 197  chr 141    gt   o               chr 197  chr 142    gt   O   chr 197  chr 143    gt   o               chr 197  chr 144    gt   O   chr 197  chr 145    gt   o               chr 197  chr 146    gt   OE  chr 197  chr 147    gt   oe               chr 197  chr 148    gt   R  chr 197  chr 149    gt   r               chr 197  chr 150    gt   R  chr 197  chr 151    gt   r               chr 197  chr 152    gt   R  chr 197  chr 153    gt   r               chr 197  chr 154    gt   S  chr 197  chr 155    gt   s               chr 197  chr 156    gt   S  chr 197  chr 157    gt   s               chr 197  chr 158    gt   S  chr 197  chr 159    gt   s               chr 197  chr 160    gt   S   chr 197  chr 161    gt   s               chr 197  chr 162    gt   T   chr 197  chr 163    gt   t               chr 197  chr 164    gt   T   chr 197  chr 165    gt   t               chr 197  chr 166    gt   T   chr 197  chr 167    gt   t               chr 197  chr 168    gt   U   chr 197  chr 169    gt   u               chr 197  chr 170    gt   U   chr 197  chr 171    gt   u               chr 197  chr 172    gt   U   chr 197  chr 173    gt   u               chr 197  chr 174    gt   U   chr 197  chr 175    gt   u               chr 197  chr 176    gt   U   chr 197  chr 177    gt   u               chr 197  chr 178    gt   U   chr 197  chr 179    gt   u               chr 197  chr 180    gt   W   chr 197  chr 181    gt   w               chr 197  chr 182    gt   Y   chr 197  chr 183    gt   y               chr 197  chr 184    gt   Y   chr 197  chr 185    gt   Z               chr 197  chr 186    gt   z   chr 197  chr 187    gt   Z               chr 197  chr 188    gt   z   chr 197  chr 189    gt   Z               chr 197  chr 190    gt   z   chr 197  chr 191    gt   s                  Decompositions for Latin Extended-B             chr 200  chr 152    gt   S   chr 200  chr 153    gt   s               chr 200  chr 154    gt   T   chr 200  chr 155    gt   t                  Euro Sign             chr 226  chr 130  chr 172    gt   E                  GBP  Pound  Sign             chr 194  chr 163    gt                     Vowels with diacritic  Vietnamese                 unmarked             chr 198  chr 160    gt   O   chr 198  chr 161    gt   o               chr 198  chr 175    gt   U   chr 198  chr 176    gt   u                  grave accent             chr 225  chr 186  chr 166    gt   A   chr 225  chr 186  chr 167    gt   a               chr 225  chr 186  chr 176    gt   A   chr 225  chr 186  chr 177    gt   a               chr 225  chr 187  chr 128    gt   E   chr 225  chr 187  chr 129    gt   e               chr 225  chr 187  chr 146    gt   O   chr 225  chr 187  chr 147    gt   o               chr 225  chr 187  chr 156    gt   O   chr 225  chr 187  chr 157    gt   o               chr 225  chr 187  chr 170    gt   U   chr 225  chr 187  chr 171    gt   u               chr 225  chr 187  chr 178    gt   Y   chr 225  chr 187  chr 179    gt   y                  hook             chr 225  chr 186  chr 162    gt   A   chr 225  chr 186  chr 163    gt   a               chr 225  chr 186  chr 168    gt   A   chr 225  chr 186  chr 169    gt   a               chr 225  chr 186  chr 178    gt   A   chr 225  chr 186  chr 179    gt   a               chr 225  chr 186  chr 186    gt   E   chr 225  chr 186  chr 187    gt   e               chr 225  chr 187  chr 130    gt   E   chr 225  chr 187  chr 131    gt   e               chr 225  chr 187  chr 136    gt   I   chr 225  chr 187  chr 137    gt   i               chr 225  chr 187  chr 142    gt   O   chr 225  chr 187  chr 143    gt   o               chr 225  chr 187  chr 148    gt   O   chr 225  chr 187  chr 149    gt   o               chr 225  chr 187  chr 158    gt   O   chr 225  chr 187  chr 159    gt   o               chr 225  chr 187  chr 166    gt   U   chr 225  chr 187  chr 167    gt   u               chr 225  chr 187  chr 172    gt   U   chr 225  chr 187  chr 173    gt   u               chr 225  chr 187  chr 182    gt   Y   chr 225  chr 187  chr 183    gt   y                  tilde             chr 225  chr 186  chr 170    gt   A   chr 225  chr 186  chr 171    gt   a               chr 225  chr 186  chr 180    gt   A   chr 225  chr 186  chr 181    gt   a               chr 225  chr 186  chr 188    gt   E   chr 225  chr 186  chr 189    gt   e               chr 225  chr 187  chr 132    gt   E   chr 225  chr 187  chr 133    gt   e               chr 225  chr 187  chr 150    gt   O   chr 225  chr 187  chr 151    gt   o               chr 225  chr 187  chr 160    gt   O   chr 225  chr 187  chr 161    gt   o               chr 225  chr 187  chr 174    gt   U   chr 225  chr 187  chr 175    gt   u               chr 225  chr 187  chr 184    gt   Y   chr 225  chr 187  chr 185    gt   y                  acute accent             chr 225  chr 186  chr 164    gt   A   chr 225  chr 186  chr 165    gt   a               chr 225  chr 186  chr 174    gt   A   chr 225  chr 186  chr 175    gt   a               chr 225  chr 186  chr 190    gt   E   chr 225  chr 186  chr 191    gt   e               chr 225  chr 187  chr 144    gt   O   chr 225  chr 187  chr 145    gt   o               chr 225  chr 187  chr 154    gt   O   chr 225  chr 187  chr 155    gt   o               chr 225  chr 187  chr 168    gt   U   chr 225  chr 187  chr 169    gt   u                  dot below             chr 225  chr 186  chr 160    gt   A   chr 225  chr 186  chr 161    gt   a               chr 225  chr 186  chr 172    gt   A   chr 225  chr 186  chr 173    gt   a               chr 225  chr 186  chr 182    gt   A   chr 225  chr 186  chr 183    gt   a               chr 225  chr 186  chr 184    gt   E   chr 225  chr 186  chr 185    gt   e               chr 225  chr 187  chr 134    gt   E   chr 225  chr 187  chr 135    gt   e               chr 225  chr 187  chr 138    gt   I   chr 225  chr 187  chr 139    gt   i               chr 225  chr 187  chr 140    gt   O   chr 225  chr 187  chr 141    gt   o               chr 225  chr 187  chr 152    gt   O   chr 225  chr 187  chr 153    gt   o               chr 225  chr 187  chr 162    gt   O   chr 225  chr 187  chr 163    gt   o               chr 225  chr 187  chr 164    gt   U   chr 225  chr 187  chr 165    gt   u               chr 225  chr 187  chr 176    gt   U   chr 225  chr 187  chr 177    gt   u               chr 225  chr 187  chr 180    gt   Y   chr 225  chr 187  chr 181    gt   y                  Vowels with diacritic  Chinese  Hanyu Pinyin              chr 201  chr 145    gt   a                  macron             chr 199  chr 149    gt   U   chr 199  chr 150    gt   u                  acute accent             chr 199  chr 151    gt   U   chr 199  chr 152    gt   u                  caron             chr 199  chr 141    gt   A   chr 199  chr 142    gt   a               chr 199  chr 143    gt   I   chr 199  chr 144    gt   i               chr 199  chr 145    gt   O   chr 199  chr 146    gt   o               chr 199  chr 147    gt   U   chr 199  chr 148    gt   u               chr 199  chr 153    gt   U   chr 199  chr 154    gt   u                  grave accent             chr 199  chr 155    gt   U   chr 199  chr 156    gt   u                        string   strtr  string   chars         else            chars   array               Assume ISO-8859-1 if not UTF-8          chars  in     chr 128  chr 131  chr 138  chr 142  chr 154  chr 158               chr 159  chr 162  chr 165  chr 181  chr 192  chr 193  chr 194               chr 195  chr 196  chr 197  chr 199  chr 200  chr 201  chr 202               chr 203  chr 204  chr 205  chr 206  chr 207  chr 209  chr 210               chr 211  chr 212  chr 213  chr 214  chr 216  chr 217  chr 218               chr 219  chr 220  chr 221  chr 224  chr 225  chr 226  chr 227               chr 228  chr 229  chr 231  chr 232  chr 233  chr 234  chr 235               chr 236  chr 237  chr 238  chr 239  chr 241  chr 242  chr 243               chr 244  chr 245  chr 246  chr 248  chr 249  chr 250  chr 251               chr 252  chr 253  chr 255             chars  out      EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy             string   strtr  string   chars  in     chars  out              double chars   array             double chars  in     array chr 140   chr 156   chr 198   chr 208   chr 222   chr 223   chr 230   chr 240   chr 254             double chars  out     array  OE    oe    AE    DH    TH    ss    ae    dh    th             string   str replace  double chars  in     double chars  out     string              return  string      My answer is an update of  dynamic solution since Romanian or perhaps other language diacritics weren t converted  I wrote the minimum functions and works like a charm   print r remove accents  Ia i  Ia i County  Romania

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Based on  Mimouni answer I made this function to transliterate Accented strings to Non Accented strings           param  str Convert string to lowercase and replace special chars to equivalents ou remove its     return string     function  slugify string  string   string        str    string     for comparisons      str    toUtf8  str      Force to work with string in UTF-8      str   iconv  UTF-8    ASCII  TRANSLIT    str        if   str    htmlentities  string  ENT QUOTES   UTF-8         iconv fails          str    toUtf8  string            str   htmlentities  str  ENT QUOTES   UTF-8             str   preg replace    amp   a-z  1 2   acute cedil circ grave lig orn ring slash th tilde uml   i     1    str              Need to strip non ASCII chars or any other than a-z  A-Z  0-9             str   html entity decode  str  ENT QUOTES   UTF-8             str   preg replace array     0-9a-z  i       -             str            str   trim  str    -                  lowercase      string   strtolower  str        return  string         To convert strings to UTF-8  here I use the Multi Byte String extension    Note that I break string in pieces to avoid trouble with mixed content  I have such situation  and convert word by word            param  str string String in any encoding     return string     function  toUtf8 string  str in    string       if   function exists  mb detect encoding              throw new  Exception  The Multi Byte String extension is absent                str out            words   explode       str in       foreach   words as  word             current encoding   mb detect encoding  word   UTF-8  ASCII  ISO-8859-1             str out     mb convert encoding  word   UTF-8    current encoding             return implode       str out          Footer Notes  Was the only solution that pass in PHPUnit UnitTests in Windows command Line  locale issues    The  gabo solution should work but unfortunately not for me

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When using iconv  the parameter locale must be set   function test enc  text    e  cr           E  CR           f     b  r F     B  R            echo   lt tt gt        echo iconv  utf8    ascii  TRANSLIT    text       echo   lt  tt gt  lt br  gt        test enc    setlocale LC ALL   cs CZ utf8    test enc    setlocale LC ALL   en US utf8    test enc      Yields into                       f   b r F   B R ae escrzyaie ESCRZYAIE fo  bar FO  BAR ae escrzyaie ESCRZYAIE fo  bar FO  BAR ae   Another locales then cs CZ and en US I haven t installed and I can t test it   In C  I see solution using translation to unicode normalized form - accents are splitted out and then filtered via nonspacing unicode category

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If the main task is just to use the string in a URL  why not to use slugyfier   composer require cocur slugify   then  use Cocur Slugify Slugify    slugify   new Slugify    echo  slugify- gt slugify  F     B  r      It also has many bridges for popular frameworks  E g  you can use Doctrine Extensions Sluggable behaviour to generate automatically unique slug for each entity in DB and use it in URL   If you want just to wipe out all accents you can play around with rulesets to satisfy the requirements

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In laravel you can simply use str slug  accentedPhrase  and if you care about dash  -  that this method substitute with space you can use str replace  -        str slug  accentedPhrase

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WordPress  implementation is definitly the safest for UTF8 strings  For Latin1 strings  a simple strtr does the job  but ensure you re saving your script in LATIN1 format  not UTF-8

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What about the WordPress implementation  function remove accents  string        if    preg match     x80- xff      string            return  string        chars   array         Decompositions for Latin-1 Supplement     chr 195  chr 128    gt   A   chr 195  chr 129    gt   A       chr 195  chr 130    gt   A   chr 195  chr 131    gt   A       chr 195  chr 132    gt   A   chr 195  chr 133    gt   A       chr 195  chr 135    gt   C   chr 195  chr 136    gt   E       chr 195  chr 137    gt   E   chr 195  chr 138    gt   E       chr 195  chr 139    gt   E   chr 195  chr 140    gt   I       chr 195  chr 141    gt   I   chr 195  chr 142    gt   I       chr 195  chr 143    gt   I   chr 195  chr 145    gt   N       chr 195  chr 146    gt   O   chr 195  chr 147    gt   O       chr 195  chr 148    gt   O   chr 195  chr 149    gt   O       chr 195  chr 150    gt   O   chr 195  chr 153    gt   U       chr 195  chr 154    gt   U   chr 195  chr 155    gt   U       chr 195  chr 156    gt   U   chr 195  chr 157    gt   Y       chr 195  chr 159    gt   s   chr 195  chr 160    gt   a       chr 195  chr 161    gt   a   chr 195  chr 162    gt   a       chr 195  chr 163    gt   a   chr 195  chr 164    gt   a       chr 195  chr 165    gt   a   chr 195  chr 167    gt   c       chr 195  chr 168    gt   e   chr 195  chr 169    gt   e       chr 195  chr 170    gt   e   chr 195  chr 171    gt   e       chr 195  chr 172    gt   i   chr 195  chr 173    gt   i       chr 195  chr 174    gt   i   chr 195  chr 175    gt   i       chr 195  chr 177    gt   n   chr 195  chr 178    gt   o       chr 195  chr 179    gt   o   chr 195  chr 180    gt   o       chr 195  chr 181    gt   o   chr 195  chr 182    gt   o       chr 195  chr 182    gt   o   chr 195  chr 185    gt   u       chr 195  chr 186    gt   u   chr 195  chr 187    gt   u       chr 195  chr 188    gt   u   chr 195  chr 189    gt   y       chr 195  chr 191    gt   y          Decompositions for Latin Extended-A     chr 196  chr 128    gt   A   chr 196  chr 129    gt   a       chr 196  chr 130    gt   A   chr 196  chr 131    gt   a       chr 196  chr 132    gt   A   chr 196  chr 133    gt   a       chr 196  chr 134    gt   C   chr 196  chr 135    gt   c       chr 196  chr 136    gt   C   chr 196  chr 137    gt   c       chr 196  chr 138    gt   C   chr 196  chr 139    gt   c       chr 196  chr 140    gt   C   chr 196  chr 141    gt   c       chr 196  chr 142    gt   D   chr 196  chr 143    gt   d       chr 196  chr 144    gt   D   chr 196  chr 145    gt   d       chr 196  chr 146    gt   E   chr 196  chr 147    gt   e       chr 196  chr 148    gt   E   chr 196  chr 149    gt   e       chr 196  chr 150    gt   E   chr 196  chr 151    gt   e       chr 196  chr 152    gt   E   chr 196  chr 153    gt   e       chr 196  chr 154    gt   E   chr 196  chr 155    gt   e       chr 196  chr 156    gt   G   chr 196  chr 157    gt   g       chr 196  chr 158    gt   G   chr 196  chr 159    gt   g       chr 196  chr 160    gt   G   chr 196  chr 161    gt   g       chr 196  chr 162    gt   G   chr 196  chr 163    gt   g       chr 196  chr 164    gt   H   chr 196  chr 165    gt   h       chr 196  chr 166    gt   H   chr 196  chr 167    gt   h       chr 196  chr 168    gt   I   chr 196  chr 169    gt   i       chr 196  chr 170    gt   I   chr 196  chr 171    gt   i       chr 196  chr 172    gt   I   chr 196  chr 173    gt   i       chr 196  chr 174    gt   I   chr 196  chr 175    gt   i       chr 196  chr 176    gt   I   chr 196  chr 177    gt   i       chr 196  chr 178    gt   IJ  chr 196  chr 179    gt   ij       chr 196  chr 180    gt   J   chr 196  chr 181    gt   j       chr 196  chr 182    gt   K   chr 196  chr 183    gt   k       chr 196  chr 184    gt   k   chr 196  chr 185    gt   L       chr 196  chr 186    gt   l   chr 196  chr 187    gt   L       chr 196  chr 188    gt   l   chr 196  chr 189    gt   L       chr 196  chr 190    gt   l   chr 196  chr 191    gt   L       chr 197  chr 128    gt   l   chr 197  chr 129    gt   L       chr 197  chr 130    gt   l   chr 197  chr 131    gt   N       chr 197  chr 132    gt   n   chr 197  chr 133    gt   N       chr 197  chr 134    gt   n   chr 197  chr 135    gt   N       chr 197  chr 136    gt   n   chr 197  chr 137    gt   N       chr 197  chr 138    gt   n   chr 197  chr 139    gt   N       chr 197  chr 140    gt   O   chr 197  chr 141    gt   o       chr 197  chr 142    gt   O   chr 197  chr 143    gt   o       chr 197  chr 144    gt   O   chr 197  chr 145    gt   o       chr 197  chr 146    gt   OE  chr 197  chr 147    gt   oe       chr 197  chr 148    gt   R  chr 197  chr 149    gt   r       chr 197  chr 150    gt   R  chr 197  chr 151    gt   r       chr 197  chr 152    gt   R  chr 197  chr 153    gt   r       chr 197  chr 154    gt   S  chr 197  chr 155    gt   s       chr 197  chr 156    gt   S  chr 197  chr 157    gt   s       chr 197  chr 158    gt   S  chr 197  chr 159    gt   s       chr 197  chr 160    gt   S   chr 197  chr 161    gt   s       chr 197  chr 162    gt   T   chr 197  chr 163    gt   t       chr 197  chr 164    gt   T   chr 197  chr 165    gt   t       chr 197  chr 166    gt   T   chr 197  chr 167    gt   t       chr 197  chr 168    gt   U   chr 197  chr 169    gt   u       chr 197  chr 170    gt   U   chr 197  chr 171    gt   u       chr 197  chr 172    gt   U   chr 197  chr 173    gt   u       chr 197  chr 174    gt   U   chr 197  chr 175    gt   u       chr 197  chr 176    gt   U   chr 197  chr 177    gt   u       chr 197  chr 178    gt   U   chr 197  chr 179    gt   u       chr 197  chr 180    gt   W   chr 197  chr 181    gt   w       chr 197  chr 182    gt   Y   chr 197  chr 183    gt   y       chr 197  chr 184    gt   Y   chr 197  chr 185    gt   Z       chr 197  chr 186    gt   z   chr 197  chr 187    gt   Z       chr 197  chr 188    gt   z   chr 197  chr 189    gt   Z       chr 197  chr 190    gt   z   chr 197  chr 191    gt   s               string   strtr  string   chars        return  string     To understand what this function does  check the conversion table       gt  A      gt  A      gt  A      gt  A      gt  A      gt  A      gt  C      gt  E      gt  E      gt  E      gt  E      gt  I      gt  I      gt  I      gt  I      gt  N      gt  O      gt  O      gt  O      gt  O      gt  O      gt  U      gt  U      gt  U      gt  U      gt  Y      gt  s      gt  a      gt  a      gt  a      gt  a      gt  a      gt  a      gt  c      gt  e      gt  e      gt  e      gt  e      gt  i      gt  i      gt  i      gt  i      gt  n      gt  o      gt  o      gt  o      gt  o      gt  o      gt  u      gt  u      gt  u      gt  u      gt  y      gt  y A   gt  A a   gt  a A   gt  A a   gt  a A   gt  A a   gt  a C   gt  C c   gt  c C   gt  C c   gt  c C   gt  C c   gt  c C   gt  C c   gt  c D   gt  D d   gt  d      gt  D d   gt  d E   gt  E e   gt  e E   gt  E e   gt  e E   gt  E e   gt  e E   gt  E e   gt  e E   gt  E e   gt  e G   gt  G g   gt  g G   gt  G g   gt  g G   gt  G g   gt  g G   gt  G g   gt  g H   gt  H h   gt  h H   gt  H h   gt  h I   gt  I i   gt  i I   gt  I i   gt  i I   gt  I i   gt  i I   gt  I i   gt  i I   gt  I i   gt  i     gt  IJ     gt  ij J   gt  J j   gt  j K   gt  K k   gt  k     gt  k L   gt  L l   gt  l L   gt  L l   gt  l L   gt  L l   gt  l     gt  L     gt  l L   gt  L l   gt  l N   gt  N n   gt  n N   gt  N n   gt  n N   gt  N n   gt  n     gt  N     gt  n     gt  N O   gt  O o   gt  o O   gt  O o   gt  o O   gt  O o   gt  o      gt  OE      gt  oe R   gt  R r   gt  r R   gt  R r   gt  r R   gt  R r   gt  r S   gt  S s   gt  s S   gt  S s   gt  s S   gt  S s   gt  s      gt  S      gt  s T   gt  T t   gt  t T   gt  T t   gt  t T   gt  T t   gt  t U   gt  U u   gt  u U   gt  U u   gt  u U   gt  U u   gt  u U   gt  U u   gt  u U   gt  U u   gt  u U   gt  U u   gt  u W   gt  W w   gt  w Y   gt  Y y   gt  y      gt  Y Z   gt  Z z   gt  z Z   gt  Z z   gt  z      gt  Z      gt  z     gt  s  You can generate the conversion table yourself by simply iterating over the  chars array of the function  foreach  chars as  k  gt  v       printf  quot  s - gt   s quot    k   v

User · Answer

Something like this    arrSearch    explode                                                                                     e i    u      arrReplace   explode        c ae oe a e i o u a e i o u a e i o u y a e i o u a e i o u      output   str replace  arrSearch   arrReplace   input

User · Answer

here is a simple function that i use usually to remove accents    function str without accents  str   charset  utf-8          str   htmlentities  str  ENT NOQUOTES   charset         str   preg replace    amp   A-za-z     acute cedil caron circ grave orn ring slash th tilde uml        1    str        str   preg replace    amp   A-za-z  2     lig        1    str      pour les ligatures e g    amp oelig        str   preg replace    amp                str      supprime les autres caract  res      return  str       or add this   mb strtoupper  str   for uppercase

User · Answer

This answer I ve got following tips here  so it is not really mine  It works for me using LATIN1 or UTF-8  If you use other charsets  you probably should add them to mb detect encoding function  Correct environment set is probably needed also  function NoAccents  s           return iconv mb detect encoding  s  UTF-8  ASCII  ISO-8859-1    ASCII  TRANSLIT  INGORE   s

[php] How do I remove accents from characters in a PHP string?

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