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<?php $test = [1, "2", 3, "45", "a"]; var_dump(in_array("2", $test)); var_dump(in_array(8, $test)); var_dump(in_array(45, $test)); var_dump(in_array("3", $test));
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.16, 8.4.1 - 8.4.3
bool(true) bool(false) bool(true) bool(true)

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138.62 ms | 409 KiB | 5 Q