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<?php $input = "michaeltest.com dave@cheese.mansions milkman@serverdouche.co.uk"; $email = preg_grep("/[-0-9a-zA-Z.+_]+@[-0-9a-zA-Z.+_]+\.[a-zA-Z]+/", explode(' ', $input), PREG_GREP_NO_EMPTY); var_dump($email);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Uncaught Error: Undefined constant "PREG_GREP_NO_EMPTY" in /in/MdPGA:6 Stack trace: #0 {main} thrown in /in/MdPGA on line 6
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant PREG_GREP_NO_EMPTY - assumed 'PREG_GREP_NO_EMPTY' (this will throw an Error in a future version of PHP) in /in/MdPGA on line 6 Warning: preg_grep() expects parameter 3 to be int, string given in /in/MdPGA on line 6 NULL
Output for 7.2.0 - 7.2.33
Warning: Use of undefined constant PREG_GREP_NO_EMPTY - assumed 'PREG_GREP_NO_EMPTY' (this will throw an Error in a future version of PHP) in /in/MdPGA on line 6 Warning: preg_grep() expects parameter 3 to be integer, string given in /in/MdPGA on line 6 NULL
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Notice: Use of undefined constant PREG_GREP_NO_EMPTY - assumed 'PREG_GREP_NO_EMPTY' in /in/MdPGA on line 6 Warning: preg_grep() expects parameter 3 to be integer, string given in /in/MdPGA on line 6 NULL
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Notice: Use of undefined constant PREG_GREP_NO_EMPTY - assumed 'PREG_GREP_NO_EMPTY' in /in/MdPGA on line 6 Warning: preg_grep() expects parameter 3 to be long, string given in /in/MdPGA on line 6 NULL
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Notice: Use of undefined constant PREG_GREP_NO_EMPTY - assumed 'PREG_GREP_NO_EMPTY' in /in/MdPGA on line 6 array(2) { [5]=> string(20) "dave@cheese.mansions" [9]=> string(26) "milkman@serverdouche.co.uk" }
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