What is the function of debug_backtrace() in PHP and how can it be used?

The debug_backtrace() function in PHP is used to generate a backtrace for debugging purposes. It provides information about the current function call stack, including file names, line numbers, and function names. This can be helpful in identifying the flow of execution and debugging issues in the code. 

// Example usage of debug_backtrace() function
function foo() {
    bar();
}

function bar() {
    $backtrace = debug_backtrace();
    
    foreach ($backtrace as $trace) {
        echo $trace['function'] . ' called in ' . $trace['file'] . ' on line ' . $trace['line'] . PHP_EOL;
    }
}

foo();

Keywords

debug_backtrace PHP function usage debugging

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