3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = <<<"MIXED" Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus pulvinar lorem lectus, vel aliquam est blandit accumsan. Maecenas nisi eros, ornare a euismod rutrum, rhoncus a massa. Hello world <b>Goodbye world</b> MIXED; $str = preg_replace('/^(.*)$/m',"<p>$1</p>",$str); echo $str;
Output for 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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 - 8.3.4, 8.3.6
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus pulvinar lorem lectus, vel aliquam est blandit accumsan. Maecenas nisi eros, ornare a euismod rutrum, rhoncus a massa.</p> <p>Hello world</p> <p><b>Goodbye world</b></p>
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 <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus pulvinar lorem lectus, vel aliquam est blandit accumsan. Maecenas nisi eros, ornare a euismod rutrum, rhoncus a massa.</p> <p>Hello world</p> <p><b>Goodbye world</b></p>
preferences:
144.95 ms | 402 KiB | 191 Q