How can including external files in PHP scripts contribute to syntax errors?

Including external files in PHP scripts can contribute to syntax errors if the included file contains syntax errors itself. This can cause issues because the PHP interpreter will try to parse the entire script, including the external file, leading to potential errors. To prevent this, it's important to ensure that any external files being included in PHP scripts are free of syntax errors. 

// Example of including an external file in PHP script without causing syntax errors

include 'external_file.php';
// Code continues here

Keywords

include require syntax errors file paths PHP scripts

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