3v4l.org

run code in 300+ PHP versions simultaneously
<?php $reg_exUrl = "/((http|https)\:\/\/|(www)\.)[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(\/\S*)?/"; $text = 'demo www.google.bg'; preg_match_all($reg_exUrl, $text, $matches); $usedPatterns = array(); foreach($matches[0] as $pattern){ if(!array_key_exists($pattern, $usedPatterns)){ $usedPatterns[$pattern]=true; if(preg_match('%https://%',$pattern)) { $start = "https://"; }elseif(preg_match('%http://%',$pattern)){ $start = "http://"; }else { $start = "http://"; } $text = str_replace ($pattern, "<a href='{$start}{$pattern}' target='_blank'>{$pattern}</a> ", $text); } } echo $text;
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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
demo <a href='http://www.google.bg' target='_blank'>www.google.bg</a>

preferences:
299.42 ms | 406 KiB | 460 Q