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run code in 300+ PHP versions simultaneously
<?php $array = [ ["id" => 10, "hits" => 80], ["id" => 14, "hits" => 50], ["id" => 15, "hits" => 700], ["id" => 18, "hits" => 200], ]; usort( $array, fn($a, $b) => [$a['id'] !== 18, $a['hits']] <=> [$b['id'] !== 18, $b['hits']] ); var_export($array);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
array ( 0 => array ( 'id' => 18, 'hits' => 200, ), 1 => array ( 'id' => 14, 'hits' => 50, ), 2 => array ( 'id' => 10, 'hits' => 80, ), 3 => array ( 'id' => 15, 'hits' => 700, ), )
Output for 5.6.4
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW) in /in/Iu9Cg on line 12
Process exited with code 255.
preferences:
92.26 ms | 401 KiB | 63 Q