3v4l.org

run code in 300+ PHP versions simultaneously
<?php function isset_or(&$check, $alternate = NULL) { return (isset($check)) ? $check : $alternate; } $test = array(); echo '$test is ', $test ? 'truthy' : 'empty', ', with ' . count($test) . ' item(s)', "\r\n"; echo '$test[0][0] is ', isset_or($test[0][0], 'not set'), "\r\n"; echo '$test is ', $test ? 'truthy' : 'empty', ', with ' . count($test) . ' item(s)', "\r\n"; echo "\r\n"; var_export($test);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 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 - 5.6.40, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
$test is empty, with 0 item(s) $test[0][0] is not set $test is truthy, with 1 item(s) array ( 0 => array ( 0 => NULL, ), )
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
preferences:
192.94 ms | 407 KiB | 5 Q