What is the common error message "Cannot redeclare" in PHP functions and how can it be resolved?

The "Cannot redeclare" error in PHP functions occurs when you try to declare a function with the same name as an existing function. This can happen if you include the same file multiple times or if you define a function more than once in your code. To resolve this issue, you can use the `function_exists()` function to check if a function has already been defined before declaring it. 

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

Keywords

PHP redeclare error message functions resolution

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