3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array ( 0 => array ( 'php' => "5.3", ), 1 => array ( 'php' => "5.3", ), 2 => array ( 'php' => "5.3", ), ); $loopSize = 100000; for ($i = 0; $i < $loopSize; $i++) { $a = array_map('json_encode', $a); $a = array_unique($a); $a = array_map(function($v) { return json_decode($v, true);}, $a); };
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/eboNd on line 21
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/eboNd on line 21
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/eboNd on line 21
Process exited with code 255.
preferences:
206.5 ms | 401 KiB | 313 Q