Snippet for WordPress plugin Simple History Log that logs https request made and how long each request took

simple-history-log-http-requests-time.php

<?php

/**
 * To use this you first need to install the free plugin Simple History
 * https://wordpress.org/plugins/simple-history/
 */

// pre_http_request is fired close before the actual request
add_filter( 'pre_http_request', function( $retval, $r, $url ) {

	$key = md5( $url );

	$GLOBALS["sh_http_log_{$key}"] = microtime(true);

	return $retval;

}, 10, 3);

// http_api_debug is fired directly after the request
add_action( 'http_api_debug', function( $response, $type, $class, $args, $url ) {

	$key = md5( $url );
	$globals_key = "sh_http_log_{$key}";

	if ( empty( $GLOBALS[$globals_key] ) ) {
		return;
	}
	
	$time_taken = microtime(true) - $GLOBALS[$globals_key];

	$request_method = isset( $args["method"] ) ? $args["method"] : "Unknown";

	$context = [
		"url" => $url, 
		"time_taken" => $time_taken,
		"request_method" => $request_method,
		"_response" => SimpleHistory::json_encode($response),
		"_type" => SimpleHistory::json_encode($type),
		"_class" => SimpleHistory::json_encode($type),
		"_args" => SimpleHistory::json_encode($args),
		"_url" => SimpleHistory::json_encode($url)
	];

    SimpleLogger()->debug( "http_api_debug: '{request_method}' request to '{url}' took {time_taken} milliseconds", $context );

}, 10, 5);