How can debugging techniques be used to identify and solve problems with require_once in PHP?

When encountering issues with require_once in PHP, debugging techniques can be used to identify the root cause of the problem. One common issue is the incorrect path specified in the require_once statement, leading to the file not being found. To solve this, you can use debugging tools like var_dump() or echo statements to check the file path being used and ensure it is correct. 

<?php
// Debugging require_once statement
$path = 'path/to/file.php';
echo "Checking path: $path<br>";
require_once $path;
?>

Keywords

debugging require_once PHP error handling troubleshooting

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