Explode PHP string by new line

Question

Simple  right   Well  this isn t working  -    skuList   explode   n r     POST  skuList

User · Answer

Try   n r   double quotes  or just   n    If you re not sure which type of EOL you have  run a str replace before your explode  replacing   n r  with   n

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As easy as it seems   skuList   explode    n     POST  skuList       You just need to pass the exact text   n  and writing  n directly is being used as an Escape Sequence  So      to pass a simple backward slash and then put  n

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try  explode chr 10     POST  skuList

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Here is what worked for me  Tested in PHP 5 6 as well as as PHP 7 0        skuList   str replace    r  n     n     POST  skuList          skuList   str replace    n  r     n    skuList         skuList   preg split    n     skuList       print r  skuList

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Lots of things here    You need to use double quotes  not single quotes  otherwise the escaped characters won t be escaped  The normal sequence is  r n  not  n r  Depending on the source  you may just be getting  n without the  r  or even in unusual cases  possibly just the  r    Given the last point  you may find preg split   using all the possible variants will give you a more reliable way of splitting the data than explode    But alternatively you could use explode   with just  n  and then use trim   to remove any  r characters that are left hanging around

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Try this   explode PHP EOF   lines

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For a new line  it s just   list   explode   n    text     For a new line and carriage return  as in Windows files   it s as you posted   Is your skuList a text area

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This method always works for me    uniquepattern          abcz   Any set of characters which you dont expect to be present in user input   POST  skuList   better use atleast 32 charecters   skuList explode  uniquepattern str replace   r     str replace   n   uniquepattern   POST  skuList

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Cover all cases  Don t rely that your input is coming from a Windows environment    skuList   preg split     r  n   r   n      POST  skuList       or   skuList   preg split    r n  r  n      POST  skuList

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It doesn t matter what your system uses as newlines if the content might be generated outside of the system  I am amazed after receiving all of these answers  that no one has simply advised the use of the  R escape sequence   There is only one way that I would ever consider implementing this in one of my own projects    R provides the most succinct and direct approach  https   www php net manual en regexp reference escape php    text line 20break  20matches 20 n  20 r 20and 20 r n Code   Demo   text    quot one ntwo r nthree rfour r n nfive quot    var export preg split    R     text     Output  array     0   gt   one     1   gt   two     2   gt   three     3   gt   four     4   gt        5   gt   five

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Losing line breaks from posting from input textboxes  What works faster for me is to copy paste any text or Excel or HTML table type or newline type of data and paste it into a textarea instead of an inputextbox  this keeps the linebreaks intact in the POST     lt textarea  id  txtArea  name  txtArea  rows  40  cols  170  gt  lt  textarea gt    lt br gt    lt input type  submit  value  split lines into array    gt     in the form receiving file       txtArea          txtArea     POST  txtArea        TA     POST  txtArea        string    TA      array   preg split      R   m    string       or any of these       array   explode PHP EOL  string         array   explode   n    txtArea     echo   lt br gt A0     array 0    echo   lt br gt A1      array 1    echo   lt br gt A2      array 2

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Best Practice  As mentioned in the comment to the first answer  the best practice is to use the PHP constant PHP EOL which represents the current system s EOL  End Of Line     skuList   explode PHP EOL    POST  skuList       PHP provides a lot of other very useful constants that you can use to make your code system independent  see this link to find useful and system independent directory constants   Warning  These constants make your page system independent  but you might run into problems when moving from one system to another when you use the constants with data stored on another system  The new system s constants might be different from the previous system s and the stored data might not work anymore  So completely parse your data before storing it to remove any system dependent parts   UPDATE  Andreas  comment made me realize that the  Best Practice  solution I present here does not apply to the described use-case  the server s EOL  PHP  does not have anything to do with the EOL the browser  any OS  is using  but that  the browser  is where the string is coming from   So please use the solution from  Alin Purcaru  three down  to cover all your bases  and upvote his answer     skuList   preg split    r n  r  n      POST  skuList

User · Answer

First of all  I think it s usually  r n  second of all  those are not the same on all systems  That will only work on windows  It s kind-of annoying trying to figure out how to replace new lines because different systems treat them differently  see here   You might have better luck with just  n

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Not perfect but I think it must be safest  Add nl2br    skuList   explode   lt br   gt    nl2br   POST  skuList

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If anyone else tried this but it wasn t working  this is a reminder that you might have done the same brain fart as I   Have you mysql escaped the string first  In this case newline character is no longer a newline character   I didn t do anything to avoid parsing it  just adapted and exploded by   n   literally backslash and n rather than actual newline character

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this php function explode string by newline Attention   new line in Windows is  r n and in Linux and Unix is  n this function change all new lines to linux mode then split it pay attention that empty lines will be ignored  function splitNewLine  text         code preg replace    n       preg replace     n      preg replace     r n       n   text         return explode   n   code       example   a   r n r n n n r rsalam r nman khobam rto chi n rche khabar n r n n r r n nbashe baba raftam r n r n r n r n   print r  splitNewLine  a       output  Array        0    gt  salam      1    gt  man khobam      2    gt  to chi      3    gt  che khabar      4    gt  bashe baba raftam

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Place the  n in double quotes   explode   n     POST  skuList      In single quotes  if I m not mistaken  this is treated as   and n separately

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PHP EOL is ostensibly used to find the newline character in a cross-platform-compatible way  so it handles DOS Unix issues    Try this    myString    Prepare yourself to be caught You in the hood gettin  shot We going throw hell of blows got my whole frame froze     myArray   explode PHP EOL   myString    print r  myArray

User · Answer

Have you tried using double quotes

[php] Explode PHP string by new line

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