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<?php // Example array $array = array( 'egg' => true, 'cheese' => false, 'hair' => 765, 'ogres' => 'no ogres allowed in this array' ); // Loose checking var_dump(in_array(null, $array)); var_dump(in_array(false, $array)); var_dump(in_array(765, $array)); var_dump(in_array(763, $array)); var_dump(in_array('egg', $array)); var_dump(in_array('hhh', $array)); var_dump(in_array(array(), $array)); var_dump(in_array(0, $array)); // Strict checking echo "now with strict\n"; var_dump(in_array(null, $array, true)); var_dump(in_array(false, $array, true)); var_dump(in_array(765, $array, true)); var_dump(in_array(763, $array, true)); var_dump(in_array('egg', $array, true)); var_dump(in_array('hhh', $array, true)); var_dump(in_array(array(), $array, true)); ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 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 - 5.6.40, 7.0.0 - 7.0.33, 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
bool(true) bool(true) bool(true) bool(true) bool(true) bool(true) bool(true) bool(true) now with strict bool(false) bool(true) bool(true) bool(false) bool(false) bool(false) bool(false)
preferences:
270.39 ms | 406 KiB | 456 Q