The include() function in PHP 8.3 is utilized to insert the content of a PHP file into another PHP file prior to the server processing it. This is a core aspect of code reusability and organization in PHP 8.3.
Basic Usage
<?php include 'filename.php'; ?>
Important Features in PHP 8.3
Although include() itself is not really different in PHP 8.3, there are some associated enhancements in PHP 8.3. 1. Enhanced Error Handling: PHP 8.3 still gives precise error messages in case the included files are not found. 2. Performance Optimizations: PHP 8.3 contains overall performance enhancements that also influence file inclusion operations.Differences from Similar Functions
include() vs require(): -> include() will emit a warning if the file isn't found but continue execution. -> require() will emit a fatal error and stop execution. include() vs include_once(): -> include() will include the file multiple times if called multiple times. -> include_once() ensures the file is included only once. Example Usage<?php // Include a configuration file include 'config.php'; // Include a template file include 'templates/header.php'; echo "Main content here"; include 'templates/footer.php'; ?>Error Handling
<?php
if (file_exists('required_file.php')) {
include 'required_file.php';
} else {
// Handle the error
echo "The required file was not found";
}
?>