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<?php class Foo {} $a = null; $f = new Foo($a = 123); var_dump($a); // NULL class Bar { function __constructor(){} } $b = null; $g = new Bar($b = 123); var_dump($b); // int(123)
Output for 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
int(123) int(123)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.31
NULL NULL
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/CZssj on line 12
Process exited with code 255.

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274.17 ms | 401 KiB | 413 Q