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<?php $input = "michael@test.com dave@cheese.mansions milkman@serverdouche.co.uk"; $email = preg_filter("/[-0-9a-zA-Z.+_]+@[-0-9a-zA-Z.+_]+\.[a-zA-Z]+/", $input); var_dump($email);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: preg_filter() expects at least 3 arguments, 2 given in /in/5cLPJ:6 Stack trace: #0 /in/5cLPJ(6): preg_filter('/[-0-9a-zA-Z.+_...', 'michael@test.co...') #1 {main} thrown in /in/5cLPJ on line 6
Process exited with code 255.

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