How can different PHP versions on different computers affect the execution of a PHP application?

Different PHP versions on different computers can affect the execution of a PHP application because certain functions or features may not be available or may behave differently across versions. To ensure consistent behavior, it's important to use a version control system and specify the minimum required PHP version in your project documentation. Additionally, you can use polyfills or conditional statements to handle version-specific code. 

// Example of using a polyfill to handle version-specific code
if (!function_exists('random_int')) {
    function random_int($min, $max) {
        return mt_rand($min, $max);
    }
}

Keywords

PHP versions compatibility execution application computers

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