function_exists() cannot determine the custom function
凡人
凡人 2024-04-29 11:01:01

function test() {       return true;     }   if (function_exists('TEST'))                                                                   use             use using ’ s ’ using ’ s ’ s ‐ ‐ ‐‐‐ ‐ ​test is not a function. Just use var_dump

凡人
凡人

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