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<?php function a($pattern, $subject, &$matches = null) { return preg_match($patter, $subject, $matches); } $r = a('~[a|b]+~', 'aaaa', $matches); var_dump($r, $matches); $r = a('~[a|b]+~', 'aaaa'); var_dump($r);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $patter in /in/rZZrc on line 5 Deprecated: preg_match(): Passing null to parameter #1 ($pattern) of type string is deprecated in /in/rZZrc on line 5 Warning: preg_match(): Empty regular expression in /in/rZZrc on line 5 bool(false) NULL Warning: Undefined variable $patter in /in/rZZrc on line 5 Deprecated: preg_match(): Passing null to parameter #1 ($pattern) of type string is deprecated in /in/rZZrc on line 5 Warning: preg_match(): Empty regular expression in /in/rZZrc on line 5 bool(false)

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