How to trim white spaces of array values in php

Question

I have an array as follows   fruit   array    apple    banana                              cranberry       I want an array which contains the values without the white spaces on either sides but it can contain empty values how to do this in php the output array should be like this   fruit   array  apple   banana         cranberry

User · Answer

simply you can use regex to trim all spaces or minify your array items   array   array map function   item        return preg replace    s          item       array

User · Answer

I had trouble with the existing answers when using multidimensional arrays  This solution works for me   if  is array  array         foreach   array as  key   gt   val             array  key    trim  val

User · Answer

fruit  array map  trim    fruit

User · Answer

Multidimensional-proof solution   array walk recursive  array  function  amp  arrValue   arrKey    arrValue   trim  arrValue

User · Answer

array map and trim can do the job   trimmed array   array map  trim    fruit   print r  trimmed array

User · Answer

Trim in array map change type if you have NULL in value   Better way to do it    result   array map function  v      return is string  v  trim  v   v       array

User · Answer

function trimArray  amp  value           value   trim  value       pmcArray   array  php    mysql      code     array walk  pmcArray   trimArray     by using array walk function  we can remove space from array elements and elements return the result in same array

User · Answer

If you want to trim and print one dimensional Array or the deepest dimension of multi-dimensional Array you should use   foreach  array as  key   gt   value         array  key    trim  value       print  -        print  array  key        print  -        print   lt br gt         If you want to trim but do not want to print one dimensional Array or the deepest dimension of multi-dimensional Array you should use    array   array map  trim    array

User · Answer

array walk   can be used with trim   to trim array   lt  php function trim value  amp  value           value   trim  value        fruit   array  apple   banana      cranberry     var dump  fruit    array walk  fruit   trim value    var dump  fruit      gt    See 2nd example at http   www php net manual en function trim php

User · Answer

If the array is multidimensional  this will work great     trims empty spaces in array elements  recursively trim multidimesional arrays  function trimData  data      if  data    null         return null      if is array  data           return array map  trimData    data       else return trim  data       one sample test is like this    arr    aaa      b      m            e          12 3    9 0    0 0        print r trimData  arr      RESULT   Array    0    gt  aaa  1    gt  b  2    gt  m  3    gt  Array    0    gt   e  1    gt  12 3  2    gt  9 0 0 0

User · Answer

function generateRandomString  length   10         characters    0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ        charactersLength   strlen  characters        randomString           for   i   0   i  lt   length   i               randomString     characters rand 0   charactersLength - 1              return  randomString     function generateRandomSpaces          output            i   rand 1  10       for   j   0   j  lt    i   j               output                       return  output        Generating an array to test  array       for   i   0   i  lt   1000   i           array     generateRandomSpaces     generateRandomString 10    generateRandomSpaces           ARRAY MAP  start   microtime true   for   i   0   i  lt  100000   i           trimmed array array map  trim   array      time    microtime true  -  start   echo  Array map       time     seconds n       ARRAY WALK  start   microtime true   for   i   0   i  lt  100000   i          array walk  array   trim       time    microtime true  -  start   echo  Array walk           time     seconds n        FOREACH  start   microtime true   for   i   0   i  lt  100000   i          foreach   array as  index   gt   elem             array  index    trim  elem            time    microtime true  -  start   echo  Foreach       time     seconds n       FOR  start   microtime true   for   i   0   i  lt  100000   i          for   j   0   j  lt  count  array  - 1   j                array  j    trim  array  j             time    microtime true  -  start   echo  For       time     seconds n     The output of the code above is   Array map  8 6775720119476 seconds Array walk  10 423238992691 seconds  Foreach  7 3502039909363 seconds  For  9 8266389369965 seconds  This values of course may change but I would say foreach is the best option

User · Answer

array map  trim    data  would convert all subarrays into null  If it is needed to trim spaces only for strings and leave other types as it is  you can use    data   array map      function   item            return is string  item    trim  item     item              data

[php] How to trim white spaces of array values in php

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