3v4l.org

run code in 300+ PHP versions simultaneously
<?php $basket = [ 'Items' => [ [ 'a' => 'b', 'b' => 'c', 'd' => 'e' ], [ 'a' => 'b', 'd' => 'e', 'b' => 'c' ], [, 'd' => 'e', 'a' => 'b', 'b' => 'c' ] ], ]; if (isset($basket['items']) && is_array($basket['items'])) { array_walk($basket['items'], 'ksort'); }
Output for 7.1.4 - 7.1.7
Fatal error: Cannot use empty array elements in arrays in /in/C8etL on line 4
Process exited with code 255.
Output for 7.1.0 - 7.1.3
Fatal error: Cannot use empty array elements in arrays in /in/C8etL on line 20
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Parse error: syntax error, unexpected ',', expecting ']' in /in/C8etL on line 15
Process exited with code 255.

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