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  1. <?php
  2.  
  3. 	function updateAvatar($avatar)
  4. 	{
  5. 	    $regex = '/^[a-zA-Z0-9]{1,100}\.(jpe?g)$/';
  6. 	    if(preg_match($regex, $avatar))
  7. 	        return true;
  8. 	    return false;
  9. 	}
  10. 	var_dump(updateAvatar("avatar.jpg"));
  11. 	var_dump(updateAvatar("code.php"));
  12. 	var_dump(updateAvatar("duck.gif"));
Success #stdin #stdout 0.01s 20520KB
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stdin
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Standard input is empty
stdout
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bool(true)
bool(false)
bool(false)
https://ideone.com/ZzXLUy
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
secret

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