3v4l.org

run code in 300+ PHP versions simultaneously
<?php $body = "Text text #hashtag text text #hast/tag"; $hashtag_path = '/path/to'; $hashtags_url = '/#(\S+)/'; $body = preg_replace_callback( $hashtags_url, function($matches) use ($hashtag_path) { return "<a href=\"$hashtag_path/hashtag/".urlencode($matches[1])."\">".$matches[0]."</a>"; }, $body); echo $body;
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.28, 8.4.1 - 8.4.16, 8.5.0 - 8.5.1
Text text <a href="/path/to/hashtag/hashtag">#hashtag</a> text text <a href="/path/to/hashtag/hast%2Ftag">#hast/tag</a>
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Text text <a href="/path/to/hashtag/hashtag">#hashtag</a> text text <a href="/path/to/hashtag/hast%2Ftag">#hast/tag</a>
preferences:
180.82 ms | 408 KiB | 5 Q