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run code in 200+ php & hhvm versions
Bugs & Features
<?php $keys = ['a','b','c','d','e','f','g','h','i','z']; $private = [ 'a','b','c','d' ]; $aliases = [ 'z' => 'a' ]; print_r(array_intersect_key(array_flip($aliases), $private));
based on Ck8uE
Output for 5.4.0 - 7.2.0
Array ( )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Tq83j on line 4
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/Tq83j on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Tq83j on line 4
Process exited with code 255.