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<?php $x= array('this'); $test= in_array(0, $x); var_dump($test); // true $x= array(0); $test= in_array('that', $x); var_dump($test); // true $x= array('0'); $test= in_array('that', $x); var_dump($test); // false
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(false) bool(false) bool(false)
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 - 5.3.9, 5.5.31 - 5.5.38, 5.6.17 - 5.6.28, 7.0.1 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
bool(true) bool(true) bool(false)
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/SiVA2 on line 12
Process exited with code 255.

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