Log backtrace for SearchWP Post edit event

searchwp-customizations.php

<?php

add_action( 'searchwp\source\post\drop', function( $args ) {
	do_action( 'searchwp\debug\log', "Drop event for post {$args['post_id']}", 'backtrace' );

	$e = new \Exception();
	$trace = explode( "\n", $e->getTraceAsString() );
	$trace = array_reverse( $trace );
	array_shift( $trace );
	array_pop( $trace );
	$length = count( $trace );
	$result = [];

	for ( $i = 0; $i < $length; $i++ ) {
		$result[] = ( $i + 1 )  . ')' . substr( $trace[ $i ], strpos( $trace[ $i ], ' ') );
	}

	do_action( 'searchwp\debug\log', "\n\t" . implode( "\n\t", $result ), 'backtrace' );
} );