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<?php $input = array( 'last day of this month', 'Last day of this month', 'lAst Day of This Month'); foreach ($input as $str) { var_dump(date('Y-m-d', strtotime($str))); }
Output for git.master, git.master_jit, rfc.property-hooks
string(10) "2020-06-30" string(10) "2020-06-30" string(10) "2020-06-30"

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