3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $reg_exUrl = "/((http|https)\:\/\/|(www)\.)[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(\/\S*)?/"; $text = 'some text http://google.bg/'; preg_match_all($reg_exUrl, $text, $matches); $usedPatterns = array(); foreach($matches[0] as $pattern){ if(!array_key_exists($pattern, $usedPatterns)) { echo $pattern; $usedPatterns[$pattern]=true; if(preg_match('%https://%',$pattern)) { $patttern = str_replace('https://', ''); $start = "https://"; } elseif(preg_match('%http://%',$pattern)) { $pattern = str_replace('http://', ''); $start = "http://"; } else { $start = "http://"; } $text = str_replace ($pattern, "<a href='{$start}{$pattern}' target='_blank'>{$pattern}</a> ", $text); } } echo $text;
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
http://google.bg/ Warning: str_replace() expects at least 3 parameters, 2 given in /in/HdDYZ on line 18 some text http://google.bg/
Output for 5.2.3 - 5.2.17
http://google.bg/ Warning: Wrong parameter count for str_replace() in /in/HdDYZ on line 18 some text http://google.bg/
Output for 4.3.0 - 5.2.2
http://google.bg/<br /> <b>Warning</b>: Wrong parameter count for str_replace() in <b>/in/HdDYZ</b> on line <b>18</b><br /> some text http://google.bg/