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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']);
Output for 7.1.0 - 7.1.33, 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 - 8.2.18, 8.3.0 - 8.3.6
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 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
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

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