<?php
class ArrayHelper{
static function removeEmpty(& $arr, $trim = TRUE)
{
foreach ($arr as $key => $value)
{
if (is_array($value))
{
self::removeEmpty($arr[$key]);
}
else
{
$value = trim($value);
if ($value == '')
{
unset($arr[$key]);
}
elseif ($trim)
{
$arr[$key] = $value;
}
}
}
}Remove blank elements from the array (including elements with only blank characters)
Usage:
@code php
$arr = array('', 'test', ' ');
ArrayHelper::removeEmpty($arr);
dump($arr);
There will be only 'test' in the output result
@endcode
@param array $arr The array to be processed
@param boolean $trim Whether to call the trim function on the array elements
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