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run code in 300+ PHP versions simultaneously
<?php $a1 = ['test' => [1 => 'first'], ['val']]; $a2 = ['test' => [2 => 'second'], ['val2']]; $a3 = $a1 + $a2; var_dump($a3);
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
array(2) { ["test"]=> array(1) { [1]=> string(5) "first" } [0]=> array(1) { [0]=> string(3) "val" } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/hdLbZ on line 3
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 '[' in /in/hdLbZ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/hdLbZ on line 3
Process exited with code 255.
preferences:
216.57 ms | 401 KiB | 329 Q