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<?php define("DEFINE",1); define("HELLO", 'this_exists'); define("this_doesnt_exist", "HELLO"); $var = 12349394; $vvar = "this_doesnt_exist"; var_dump( defined("DEFINE"), defined(DEFINE), defined($var), defined("Hi"), $var, DEFINE, defined("HELLO"), defined(this_doesnt_exist), defined($vvar) );
Output for 4.3.5 - 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 - 5.6.38, 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(false) bool(false) bool(false) int(12349394) int(1) bool(true) bool(true) bool(true)
Output for 4.3.0 - 4.3.4
int(1) int(0) int(0) int(0) int(12349394) int(1) int(1) int(1) int(1)
preferences:
325.69 ms | 401 KiB | 451 Q