run code in 200+ php & hhvm versions
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<?php class Test{ function abc($d,$e){ echo "abc{$d}{$e}";} } $x = new Test; $callback = [$x,'abc']; call_user_func_array($callback, ['d','e']); echo "\n"; $callback(['x','z']);
based on 5KUNA
Output for 7.1.0 - 7.2.0
abcde Fatal error: Uncaught ArgumentCountError: Too few arguments to function Test::abc(), 1 passed in /in/2nWR1 on line 12 and exactly 2 expected in /in/2nWR1:3 Stack trace: #0 /in/2nWR1(12): Test->abc(Array) #1 {main} thrown in /in/2nWR1 on line 3
Process exited with code 255.
Output for 5.4.0 - 7.0.20
abcde Warning: Missing argument 2 for Test::abc(), called in /in/2nWR1 on line 12 and defined in /in/2nWR1 on line 3 Notice: Array to string conversion in /in/2nWR1 on line 3 Notice: Undefined variable: e in /in/2nWR1 on line 3 abcArray