How can the error_log on the server be utilized to diagnose issues with PHP code that may not be visible on the webpage?

The error_log on the server can be utilized to capture and log any errors or warnings that occur during the execution of PHP code. By checking the error_log file, developers can identify and diagnose issues with PHP code that may not be visible on the webpage. This can help in troubleshooting and resolving issues more efficiently. 

// Enable error logging to a file
ini_set('log_errors', 1);
ini_set('error_log', '/path/to/error.log');

// Example PHP code that may generate errors
$undefined_variable = 'This will cause an error';
echo $undefined_variable;

Keywords

error_log server diagnose PHP code webpage

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