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<?php $val1 = "42 Day"; $val2 = "3 week;stuff"; $opts = ['regexp' => "/^[0-9]+ (month|day|hour)$/i"]; $f1 = filter_var($val1, FILTER_VALIDATE_REGEXP, $opts); $f2 = filter_var($val2, FILTER_VALIDATE_REGEXP, $opts); var_dump($f1); var_dump($f2);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ValueError: filter_var(): "regexp" option is missing in /in/oXhDc:7 Stack trace: #0 /in/oXhDc(7): filter_var('42 Day', 272, Array) #1 {main} thrown in /in/oXhDc on line 7
Process exited with code 255.

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