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<?php $firstOfMonth = strtotime(date("Y-m-01", "2017-07-17")); //Apply above formula. echo intval(date("W", $date)) - intval(date("W", $firstOfMonth)) + 1;
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: date(): Argument #2 ($timestamp) must be of type ?int, string given in /in/h4gBL:3 Stack trace: #0 /in/h4gBL(3): date('Y-m-01', '2017-07-17') #1 {main} thrown in /in/h4gBL on line 3
Process exited with code 255.

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