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<?php $a = null; $b = null; $c = true; // $d is not defined var_dump( empty($a && $b), // true (no error) empty($b && $c), // true (no error) empty($b || $c), // false (no error) empty($d), // true (no error) empty($c && $d) // true (error) );
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $d in /in/6flqu on line 13 bool(true) bool(true) bool(false) bool(true) bool(true)

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