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  1. <?php $tests = array(
  2. 		'http://f...content-available-to-author-only...k.com/walterwhite',
  3. 		'https://w...content-available-to-author-only...k.com/Nightmare/profile',
  4. 		'https://f...content-available-to-author-only...k.com/bacco?page=contacts',
  5. 		'http://w...content-available-to-author-only...k.com/roberval',
  6. 		'http://w...content-available-to-author-only...k.com/profile.php?id=Guilherme',
  7. 		'http://w...content-available-to-author-only...k.com/profile.php?x=99&id=Bigown&b=389',
  8. 		'http://w...content-available-to-author-only...k.com/profile.php?id=Lautert&x=99',
  9. 		'http://www.google.com/search'
  10. 	);
  11. 	foreach( $tests as $test ) echo '['.fbUser( $test ).']'.PHP_EOL;
  12.  
  13. 	function fbUser( $url ) {
  14. 		$rgx = '~^https?://(www\.)?facebook.com/(?|profile\.php\?(?:.*&)*id=([^&]*)|([^/\?]*))~';
  15. 		if( preg_match( $rgx, $url, $matches ) ) return $matches[2];
  16. 	}
Success #stdin #stdout 0.01s 52488KB
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stdin
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Standard input is empty
stdout
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[walterwhite]
[Nightmare]
[bacco]
[roberval]
[Guilherme]
[Bigown]
[Lautert]
[]
https://ideone.com/8C6Fc3
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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