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<?php function test($a, $b) { var_dump($a === $b); var_dump($a !== $b); var_dump($a < $b); var_dump($a <= $b); var_dump($a == $b); var_dump($a != $b); var_dump($a >= $b); var_dump($a > $b); } class A{}; class C{}; $a = array(0, 1); $b = array(NAN, 0); test($a, $b);
Output for 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 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(false) bool(true) bool(false) bool(false) bool(false) bool(true) bool(false) bool(false)
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 - 7.1.7
bool(false) bool(true) bool(true) bool(true) bool(false) bool(true) bool(true) bool(true)
preferences:
205.17 ms | 403 KiB | 225 Q