3v4l.org

run code in 300+ PHP versions simultaneously
<?php function dna($answer) { switch ( $answer ) { case 56: echo 'Foo'; // fall through default: echo 'Bar'; break; case 42: echo 'Baz'; // fall through case 999: echo '!'; } } dna(42); echo PHP_EOL, '---', "\n"; dna(1000);
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 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 - 7.1.33, 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 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Baz! --- Bar
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 Baz! --- Bar
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Baz! Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/athTP on line 20 PHP_EOL--- Bar
preferences:
270.38 ms | 401 KiB | 399 Q