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<?php $tests = [ null, [], ['foo'] ]; foreach ($tests as $test) { echo "\n--------------\n" . var_export($test, true) . " has a boolean value of: " . var_export((bool)$test, true) . " - "; if ($test) { echo "pass"; } else { echo "fail"; } }
Output for 7.2.0 - 7.2.34, 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
-------------- NULL has a boolean value of: false - fail -------------- array ( ) has a boolean value of: false - fail -------------- array ( 0 => 'foo', ) has a boolean value of: true - pass
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 -------------- NULL has a boolean value of: false - fail -------------- array ( ) has a boolean value of: false - fail -------------- array ( 0 => 'foo', ) has a boolean value of: true - pass
preferences:
179.25 ms | 402 KiB | 184 Q