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<?php // Example array $array = array( 'egg' => true, 'cheese' => false, 'hair' => 765, 'goblins' => null, 'ogres' => 'no ogres allowed in this array' ); // Loose checking -- return values are in comments print "Loose checking\n"; // First three make sense, last four do not 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 // Strict checking print "\n\nStrict checking\n"; var_dump(in_array(null, $array, true)); // true var_dump(in_array(false, $array, true)); // true var_dump(in_array(765, $array, true)); // true var_dump(in_array(763, $array, true)); // false var_dump(in_array('egg', $array, true)); // false var_dump(in_array('hhh', $array, true)); // false var_dump(in_array(array(), $array, true)); // false
Output for git.master, git.master_jit, rfc.property-hooks
Loose checking bool(true) bool(true) bool(true) bool(true) bool(true) bool(true) bool(true) Strict checking bool(true) bool(true) bool(true) bool(false) bool(false) bool(false) bool(false)

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