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run code in 200+ php & hhvm versions
Bugs & Features
<?php function txt2link($text){ // force http: on www. $text = ereg_replace( "www\.", "http://www.", $text ); // eliminate duplicates after force $text = ereg_replace( "http://http://www\.", "http://www.", $text ); $text = ereg_replace( "https://http://www\.", "https://www.", $text ); // The Regular Expression filter $reg_exUrl = "/(http|https|ftp|ftps)\:\/\/[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(\/\S*)?/"; // Check if there is a url in the text if(preg_match($reg_exUrl, $text, $url)) { // make the urls hyper links $text = preg_replace($reg_exUrl, '<a href="'.$url[0].'" rel="nofollow">'.$url[0].'</a>', $text); } // if no urls in the text just return the text return ($text); } echo txt2link('http://www.snoodo.com');
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function ereg_replace() in /in/lt9Ym:4 Stack trace: #0 /in/lt9Ym(19): txt2link('http://www.snoo...') #1 {main} thrown in /in/lt9Ym on line 4
Process exited with code 255.
Output for 5.3.0 - 5.6.28
Deprecated: Function ereg_replace() is deprecated in /in/lt9Ym on line 4 Deprecated: Function ereg_replace() is deprecated in /in/lt9Ym on line 6 Deprecated: Function ereg_replace() is deprecated in /in/lt9Ym on line 7 <a href="http://www.snoodo.com" rel="nofollow">http://www.snoodo.com</a>
Output for 4.3.0 - 5.2.17
<a href="http://www.snoodo.com" rel="nofollow">http://www.snoodo.com</a>