What does the error message "Fatal error: Cannot redeclare" in PHP indicate, and how can it be resolved?

The error message "Fatal error: Cannot redeclare" in PHP indicates that a function or class is being declared more than once in the code. This can happen when a function or class is defined multiple times in the same script or in different included files. To resolve this issue, you can use the `function_exists()` or `class_exists()` functions to check if the function or class has already been declared before redeclaring it. 

if (!function_exists('myFunction')) {
    function myFunction() {
        // Function code here
    }
}

Keywords

Fatal error Cannot redeclare PHP function resolution

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