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<?php $valid_rfc_emails = array( 'localpart.ending.with.dot.@example.com', '(comment)localpart@example.com', '"this is v@lid!"@example.com', '"much.more unusual"@example.com', 'postbox@com', 'admin@mailserver1', '"()<>[]:,;@\\"\\\\!#$%&\'*+-/=?^_`{}| ~.a"@example.org', '" "@example.org', ); $valid = array(); $invalid = array(); foreach ($valid_rfc_emails as $address) { if (filter_var($address, FILTER_VALIDATE_EMAIL)){ $valid[] = $address; }else{ $invalid[] = $address; echo 'rfc valid, filter_var invalid email: '.$address; } } echo 'valid: '; print_r($valid); echo 'invalid: '; print_r($invalid); ?>
Output for git.master, git.master_jit, rfc.property-hooks
rfc valid, filter_var invalid email: localpart.ending.with.dot.@example.comrfc valid, filter_var invalid email: (comment)localpart@example.comrfc valid, filter_var invalid email: "this is v@lid!"@example.comrfc valid, filter_var invalid email: "much.more unusual"@example.comrfc valid, filter_var invalid email: postbox@comrfc valid, filter_var invalid email: admin@mailserver1rfc valid, filter_var invalid email: "()<>[]:,;@\"\\!#$%&'*+-/=?^_`{}| ~.a"@example.orgrfc valid, filter_var invalid email: " "@example.orgvalid: Array ( ) invalid: Array ( [0] => localpart.ending.with.dot.@example.com [1] => (comment)localpart@example.com [2] => "this is v@lid!"@example.com [3] => "much.more unusual"@example.com [4] => postbox@com [5] => admin@mailserver1 [6] => "()<>[]:,;@\"\\!#$%&'*+-/=?^_`{}| ~.a"@example.org [7] => " "@example.org )

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