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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 git.master, git.master_jit, rfc.property-hooks
-------------- 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

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