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<?php var_dump(filter_var('http://www.google.fr', FILTER_VALIDATE_URL)); var_dump(filter_var('www.google.fr', FILTER_VALIDATE_URL)); var_dump(filter_var('https://www.google.fr', FILTER_VALIDATE_URL)); var_dump(filter_var('google.fr', FILTER_VALIDATE_URL)); $regex = "((https?|ftp)\:\/\/)?"; // SCHEME $regex .= "([a-z0-9+!*(),;?&=\$_.-]+(\:[a-z0-9+!*(),;?&=\$_.-]+)?@)?"; // User and Pass $regex .= "([a-z0-9-.]*)\.([a-z]{2,3})"; // Host or IP $regex .= "(\:[0-9]{2,5})?"; // Port $regex .= "(\/([a-z0-9+\$_-]\.?)+)*\/?"; // Path $regex .= "(\?[a-z+&\$_.-][a-z0-9;:@&%=+\/\$_.-]*)?"; // GET Query $regex .= "(#[a-z_.-][a-z0-9+\$_.-]*)?"; // Anchor var_dump(preg_match("/^$regex$/", 'http://www.google.fr')); var_dump(preg_match("/^$regex$/", 'www.google.fr')); var_dump(preg_match("/^$regex$/", 'https://www.google.fr')); var_dump(preg_match("/^$regex$/", 'google.fr')); var_dump(preg_match("/^$regex$/", 'www.example.com/etcetc')); var_dump(preg_match("/^$regex$/", 'test.fr/test-test.html?test=1e#test')); var_dump(preg_match("/^$regex$/", 'http://www.example.com/etcetc')); var_dump(preg_match("/^$regex$/", 'test'));
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(20) "http://www.google.fr" bool(false) string(21) "https://www.google.fr" bool(false) int(1) int(1) int(1) int(1) int(1) int(1) int(1) int(0)
Output for 5.2.0
string(20) "http://www.google.fr" string(13) "www.google.fr" string(21) "https://www.google.fr" string(9) "google.fr" int(1) int(1) int(1) int(1) int(1) int(1) int(1) int(0)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
<br /> <b>Fatal error</b>: Call to undefined function filter_var() in <b>/in/Akntc</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.4.5 - 4.4.9
<br /> <b>Fatal error</b>: Call to undefined function: filter_var() in <b>/in/Akntc</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
<br /> <b>Fatal error</b>: Call to undefined function: filter_var() in <b>/in/Akntc</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1
<br /> <b>Fatal error</b>: Call to undefined function: filter_var() in <b>/in/Akntc</b> on line <b>3</b><br />

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