How Can I Determine the Calling Function in PHP?

Determining the Caller Function in PHP

The PHP language offers a versatile function called debug_backtrace() that empowers you to trace the call stack in a comprehensive manner. This capability enables you to identify the caller function in the context of any given function.

Solution:

To retrieve the name of the caller function, invoke debug_backtrace() and store its output in a variable, such as $trace. Subsequently, access the first element in the $trace array, which represents the caller function details.

The following code snippet illustrates how to utilize debug_backtrace() to capture the caller function:

$trace = debug_backtrace();
$caller = $trace[1];

printf("Function '%s' was called by '%s'", $caller['function'], 
 (isset($caller['class']) ? $caller['class'] : ''));

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