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<?php preg_match('/(http|https|ftp|ftps)\:\/\/[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(\/\S*)?/', $str, $link); if (empty($link[0])) { echo "Nothing found!"; } else { echo $link[0]; }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $str in /in/OjvvB on line 2 Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /in/OjvvB on line 2 Nothing found!
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $str in /in/OjvvB on line 2 Nothing found!
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.5 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: str in /in/OjvvB on line 2 Nothing found!
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 7.3.32 - 7.3.33, 7.4.26
Nothing found!

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