What is the correct syntax for including a file in PHP within an echo statement?

When including a file in PHP within an echo statement, you need to use the `include` or `require` statement outside of the echo statement to load the file content, and then concatenate the result within the echo statement. This way, the file content will be included and displayed as part of the echoed output. 

<?php
// Include the file content first
ob_start();
include 'file_to_include.php';
$file_content = ob_get_clean();

// Echo the file content
echo "The included file content is: " . $file_content;
?>

Keywords

include require echo syntax PHP

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