How can developers effectively debug and troubleshoot PHP applications with multiple components or plugins?

When debugging PHP applications with multiple components or plugins, developers can use tools like Xdebug to trace the flow of execution, analyze variable values, and identify issues. By setting breakpoints in the code and stepping through it, developers can pinpoint where errors occur and troubleshoot them effectively. Additionally, logging errors and exceptions can provide valuable information for debugging complex PHP applications. 

// Enable Xdebug for debugging
xdebug_start_trace();

// Set breakpoints in the code to trace the flow of execution
xdebug_break();

// Log errors and exceptions for troubleshooting
ini_set('error_log', 'debug.log');

Keywords

Xdebug breakpoints stack trace error logs PHP extensions

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