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run code in 300+ PHP versions simultaneously
<?php $array = ['a' => ['a' => 1, 'b' => 2], 'b'=> ['a' => 1, 'b' => 1]]; usort($array, function($a, $b) { return $a['a'] <=> $b['a'] ?: $a['b'] <=> $b['b']; }); var_dump($array);
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(2) { [0]=> array(2) { ["a"]=> int(1) ["b"]=> int(1) } [1]=> array(2) { ["a"]=> int(1) ["b"]=> int(2) } }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(2) { [0]=> array(2) { ["a"]=> int(1) ["b"]=> int(1) } [1]=> array(2) { ["a"]=> int(1) ["b"]=> int(2) } }
Output for 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '>' in /in/Ih0IX on line 6
Process exited with code 255.
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197.31 ms | 401 KiB | 290 Q