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run code in 150+ php & hhvm versions
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<?php $a = fopen(__FILE__, "r"); var_dump($a); var_dump($a < ""); var_dump($a < "5"); var_dump($a <= "5"); var_dump($a <= "foobar"); var_dump($a <= "1000"); var_dump($a <= "1000xx");
based on jYcUf
Output for 5.2.3 - 7.1.0
resource(5) of type (stream) bool(false) bool(false) bool(true) bool(false) bool(true) bool(true)
Output for 5.0.0 - 5.2.2
resource(2) of type (stream) bool(false) bool(true) bool(true) bool(false) bool(true) bool(true)
Output for 4.3.0 - 4.4.9
resource(1) of type (stream) bool(false) bool(true) bool(true) bool(false) bool(true) bool(true)