3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $entries = []; for($i = 0; $i < 1000; $i++) { $entries[] = ['id' => $i]; } $t = microtime(true); $res = array_map(function($entry) { return $entry['id']; }, $entries); $t = microtime(true) - $t; echo number_format($t, 4) . 's / array_map()'; $t = microtime(true); $res = []; foreach($entries as $entry) { $res[] = $entry['id']; } $t = microtime(true) - $t; echo "\n"; echo number_format($t, 4) . 's / foreach';
based on ZrDXl
Output for 7.0.0 - 7.0.7, 7.0.9 - 7.0.11, 7.1.7
0.0001s / array_map() 0.0000s / foreach
Output for 5.4.5 - 5.4.6, 5.4.10, 5.4.18, 5.4.29, 5.4.37, 5.4.39, 5.4.42, 5.4.44 - 5.4.45, 5.5.21 - 5.5.22, 5.5.27 - 5.5.28, 5.5.34 - 5.5.38, 5.6.4, 5.6.16 - 5.6.19, 5.6.22 - 5.6.24, 7.1.5 - 7.1.6
0.0002s / array_map() 0.0001s / foreach
Output for 7.0.8, 7.0.14 - 7.1.0
0.0001s / array_map() 0.0001s / foreach
Output for 5.4.1, 5.4.36, 5.6.2, 5.6.28
0.0004s / array_map() 0.0002s / foreach
Output for 5.4.2 - 5.4.4, 5.4.7 - 5.4.9, 5.4.12 - 5.4.17, 5.4.20 - 5.4.28, 5.4.30, 5.4.34 - 5.4.35, 5.4.38, 5.4.40 - 5.4.41, 5.5.0 - 5.5.9, 5.5.11 - 5.5.13, 5.5.15 - 5.5.20, 5.5.23 - 5.5.26, 5.5.29 - 5.5.33, 5.6.0 - 5.6.1, 5.6.5 - 5.6.10, 5.6.12 - 5.6.15, 5.6.20 - 5.6.21, 5.6.26
0.0003s / array_map() 0.0001s / foreach
Output for 5.5.14, 5.6.3, 5.6.11, 5.6.25
0.0004s / array_map() 0.0001s / foreach
Output for 5.4.11, 5.4.32, 5.4.43, 5.5.10
0.0005s / array_map() 0.0002s / foreach
Output for 5.4.31
0.0003s / array_map() 0.0002s / foreach
Output for 5.4.19
0.0005s / array_map() 0.0001s / foreach
Output for 5.4.0
0.0002s / array_map() 0.0002s / foreach
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/7EpAB on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/7EpAB on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/7EpAB on line 3
Process exited with code 255.