3v4l.org

run code in 300+ PHP versions simultaneously
<?php function is_empty($item) { return empty($item) && !is_numeric($item) || is_string($item) && trim($item) === ''; } foreach (["\t", "\0", '', [], null, false, 0, 0.0, '0', [0], ['0']] as $item) { var_dump(is_empty($item)); }
Output for 7.3.13 - 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 - 8.3.26, 8.4.1 - 8.4.13
bool(true) bool(true) bool(true) bool(true) bool(true) bool(true) bool(false) bool(false) bool(false) bool(false) bool(false)
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 bool(true) bool(true) bool(true) bool(true) bool(true) bool(true) bool(false) bool(false) bool(false) bool(false) bool(false)
preferences:
104.91 ms | 408 KiB | 5 Q