3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = "#test Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus #tristique non elit eu iaculis. Vivamus eget ultricies nisi. Vivamus hendrerit at mauris condimentum scelerisque. <a href='http://google.co.uk/#donec'>nibh</a> mauris, pulvinar et #commodo a, porta et tellus. Duis eget ante gravida, convallis augue id, blandit lectus. Mauris euismod commodo mi ut fringilla. Sed felis magna, rhoncus vitae mattis varius, sagittis a eros. Donec eget porta ipsum. <a href='#Mauris'>sed mauris ante</a>. Suspendisse potenti. Donec a #pretium #augue, eget hendrerit orci. Integer cursus scelerisque consequat."; $text = preg_replace('/(?:^|\s)#(\w+)/',$text); echo $text; ?>
Output for 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
Fatal error: Uncaught ArgumentCountError: preg_replace() expects at least 3 arguments, 2 given in /in/17IbC:5 Stack trace: #0 /in/17IbC(5): preg_replace('/(?:^|\\s)#(\\w+)...', '#test Lorem ips...') #1 {main} thrown in /in/17IbC on line 5
Process exited with code 255.
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 Fatal error: Uncaught ArgumentCountError: preg_replace() expects at least 3 arguments, 2 given in /in/17IbC:5 Stack trace: #0 /in/17IbC(5): preg_replace('/(?:^|\\s)#(\\w+)...', '#test Lorem ips...') #1 {main} thrown in /in/17IbC on line 5
Process exited with code 255.
Output for 5.6.38, 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
Warning: preg_replace() expects at least 3 parameters, 2 given in /in/17IbC on line 5

preferences:
190.76 ms | 403 KiB | 213 Q