Why is it important to address warnings and errors in PHP scripts, even if the error display is turned off?

It is important to address warnings and errors in PHP scripts even if the error display is turned off because these issues can still affect the functionality of the script and potentially lead to unexpected behavior or security vulnerabilities. By fixing these warnings and errors, you can ensure that your script runs smoothly and as intended. 

// Turn off error display
ini_set('display_errors', 0);
ini_set('display_startup_errors', 0);

// Handle errors and warnings
set_error_handler(function($errno, $errstr, $errfile, $errline) {
    // Log the error
    error_log("Error: $errstr in $errfile on line $errline");
});

// Your PHP script goes here

Keywords

error handling debugging error_reporting E_NOTICE E_WARNING

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