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run code in 150+ php & hhvm versions
Bugs & Features
<?php $old_ids = [1,2,3]; $procesed_ids = [1,2,4,5,6]; print_r(array_merge([7,8,9],array_diff($old_ids, $procesed_ids)));
Output for 5.4.0 - 7.1.0
Array ( [0] => 7 [1] => 8 [2] => 9 [3] => 3 )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/UscgB on line 2
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/UscgB on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/UscgB on line 2
Process exited with code 255.