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Php array remove empty values recursive

Php array remove empty values

<?php
$arr = array('1', '', '2', '3', '0');
// Incorrect:
print_r(array_filter($arr));
// Correct:
print_r(array_filter($arr, 'strlen'));
//Custom
print_r(array_filter($arr, function ($val) {if ($val > 0) {return true;} else {return false;}}));

Source: stackoverflow.com

Remove empty array elements php

$colors = array("red","","blue",NULL);

$colorsNoEmptyOrNull = array_filter($colors, function($v){ 
 return !is_null($v) && $v !== ''; 
});
//$colorsNoEmptyOrNull is now ["red","blue"]

Php array remove empty values recursive

array_filter(explode('/', '/home/teste sdsd/   /'), 'trim');
//Result
[
     1 => "home",
     2 => "teste sdsd",
]

//-----------
array_filter(explode('/', '/home/teste sdsd/   /'), 'strlen')
//Result
  [
     1 => "home",
     2 => "teste sdsd",
     3 => "   ",
   ]

Php array remove empty values recursive

array_filter(explode('/', '/home/teste sdsd/   /'), 'trim');
//Result
[
     1 => "home",
     2 => "teste sdsd",
]

//-----------
array_filter(explode('/', '/home/teste sdsd/   /'), 'strlen')
//Result
  [
     1 => "home",
     2 => "teste sdsd",
     3 => "   ",
   ]

Source: stackoverflow.com

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