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<?php $array = array( 'a' => 'a', 'b' => null, 'c' => array( 'a' => null, 'b' => 'b', ), 'd' => array( 'a' => null ) ); foreach ($array as $value) { $result = removeEmptyItems($value); } echo"<pre>"; print_r($result); echo"<pre>"; function removeEmptyItems(&$item) { if (is_array($item) && $item) { $item = array_filter(&$item, 'removeEmptyItems'); } return $item; }
Output for 5.4.0 - 5.4.38
Fatal error: Call-time pass-by-reference has been removed in /in/JqYpk on line 23
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Deprecated: Call-time pass-by-reference has been deprecated in /in/JqYpk on line 23 <pre>Array ( ) <pre>
Output for 5.2.7 - 5.2.17
Warning: Call-time pass-by-reference has been deprecated in /in/JqYpk on line 23 <pre>Array ( ) <pre>
Output for 5.2.5 - 5.2.6
Warning: Call-time pass-by-reference has been deprecated; If you would like to pass it by reference, modify the declaration of array_filter(). If you would like to enable call-time pass-by-reference, you can set allow_call_time_pass_reference to true in your INI file in /in/JqYpk on line 23 <pre>Array ( ) <pre>
Output for 5.2.1 - 5.2.4
Warning: Call-time pass-by-reference has been deprecated; If you would like to pass it by reference, modify the declaration of array_filter(). If you would like to enable call-time pass-by-reference, you can set allow_call_time_pass_reference to true in your INI file. in /in/JqYpk on line 23 <pre>Array ( ) <pre>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
Warning: Call-time pass-by-reference has been deprecated - argument passed by value; If you would like to pass it by reference, modify the declaration of array_filter(). If you would like to enable call-time pass-by-reference, you can set allow_call_time_pass_reference to true in your INI file. However, future versions may not support this any longer. in /in/JqYpk on line 23 <pre>Array ( ) <pre>
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215.21 ms | 1396 KiB | 128 Q