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  1. <?php
  2.  
  3. $testarray = array("user1@gmail.com", "user2.tp@gmail.com", "user3@gmail.com", "user4.tp@gmail.com", "user5.tp@gmail.com");
  4.  
  5. foreach($testarray as $emailID) {
  6. 	$altform = "";
  7. 	if (preg_match("/(\w+)(?:\.(\w+))?@gmail\.com/", $emailID, $match))
  8. 	{
  9. 		if (!empty($match[2]) && $match[2] == "tp") {
  10. 			$altform = $match[1] . "@gmail.com";
  11. 		} else {
  12. 			$altform = $match[1] . ".tp@gmail.com";
  13. 		}
  14. 	}
  15. 	print_r("ALTERNATE FORM OF $emailID IS $altform\n");
  16.  
  17. }
Success #stdin #stdout 0.01s 82944KB
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ALTERNATE FORM OF user1@gmail.com IS user1.tp@gmail.com
ALTERNATE FORM OF user2.tp@gmail.com IS user2@gmail.com
ALTERNATE FORM OF user3@gmail.com IS user3.tp@gmail.com
ALTERNATE FORM OF user4.tp@gmail.com IS user4@gmail.com
ALTERNATE FORM OF user5.tp@gmail.com IS user5@gmail.com
https://ideone.com/gZrLS4
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

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