What are the potential consequences of undefined functions in PHP scripts?

Undefined functions in PHP scripts can lead to fatal errors, causing the script to stop executing. To solve this issue, you should always check if a function exists before calling it to prevent these errors. 

if (function_exists('your_function_name')) {
    your_function_name();
} else {
    // Handle the case where the function is undefined
}

Keywords

undefined functions PHP scripts fatal error function_exists error handling

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