3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var; switch (false) { case isset($var): $var = ''; echo "Setting var" . PHP_EOL; case $var: // delberiate fall through, case $var is *not* caught, but we end here anyways. $var = 1; echo "Truthing Var" . PHP_EOL; case is_string($var): // delebirate fall through, case is_string($var) is *not* caught, but we end here anyways. $var = (string) $var; echo "Stringing var" . PHP_EOL; break; /* case customGuardFunction() */ default: echo "All checks passed!"; } var_dump($var);
Output for 5.6.0 - 5.6.40, 7.0.0 - 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, 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
Setting var Truthing Var Stringing var string(1) "1"
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 Setting var Truthing Var Stringing var string(1) "1"

preferences:
186.28 ms | 402 KiB | 291 Q