3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = "This is a #hastag within some #awesometext."; function tagIt($body) { $string = $body; $htag = "#"; $arr = explode(" ", $string); $arrc = count($arr); $i = 0; while($i < $arrc) { if(substr($arr[$i], 0, 1) === $htag) { $arr[$i] = "<a href = 'category.php?#=$arr[$i]'>".$arr[$i]."</a>"; } $i++; } $string = implode(" ", $arr); echo "\n".$string."\n"; } tagIt($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 - 5.6.28, 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
This is a <a href = 'category.php?#=#hastag'>#hastag</a> within some <a href = 'category.php?#=#awesometext.'>#awesometext.</a>
preferences:
254.7 ms | 406 KiB | 373 Q