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<?php $var = 0; // Evaluates to true because $var is empty if (empty($var)) { echo "$var is either 0, empty, or not set at all"; } // Evaluates as true because $var is set if (isset($var)) { echo "$var is set even though it is empty"; }
Output for git.master, git.master_jit, rfc.property-hooks
0 is either 0, empty, or not set at all0 is set even though it is empty

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