monsterinsights_is_code_installed_frontend()

Complexity

Conditions	9
Paths	11

Size

Total Lines	41
Code Lines	21

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php
function monsterinsights_is_code_installed_frontend() {
		// Grab the front page html.
	$request = wp_remote_request( home_url(), array(
		'sslverify' => false,
	) );
	$errors  = array();

	if ( 200 === wp_remote_retrieve_response_code( $request ) ) {

It seems like $request can also be of type WP_Error; however, parameter $response of wp_remote_retrieve_response_code() does only seem to accept array, maybe add an additional type check?

		$body            = wp_remote_retrieve_body( $request );

It seems like $request can also be of type WP_Error; however, parameter $response of wp_remote_retrieve_body() does only seem to accept array, maybe add an additional type check?

		$current_ua_code = monsterinsights_get_ua_to_output();
		$ua_limit        = 2;
		// If the ads addon is installed another UA is added to the page.
		if ( class_exists( 'MonsterInsights_Ads' ) ) {
			$ua_limit = 3;
		}
		// Translators: The placeholders are for making the "We noticed you're using a caching plugin" text bold.
		$cache_error = sprintf( esc_html__( '%1$sWe noticed you\'re using a caching plugin or caching from your hosting provider.%2$s Be sure to clear the cache to ensure the tracking appears on all pages and posts. %3$s(See this guide on how to clear cache)%4$s.', 'google-analytics-for-wordpress' ), '<b>', '</b>', ' <a href="https://www.wpbeginner.com/beginners-guide/how-to-clear-your-cache-in-wordpress/" target="_blank">', '</a>' );
		// Translators: The placeholders are for making the "We have detected multiple tracking codes" text bold & adding a link to support.
		$multiple_ua_error = sprintf( esc_html__( '%1$sWe have detected multiple tracking codes%2$s! You should remove non-MonsterInsights ones. If you need help finding them please %3$sread this article%4$s.', 'google-analytics-for-wordpress' ), '<b>', '</b>', '<a href="https://www.monsterinsights.com/docs/how-to-find-duplicate-google-analytics-tracking-codes-in-wordpress/" target="_blank">', '</a>' );

		// First, check if the tracking frontend code is present.
		if ( false === strpos( $body, '__gaTracker' ) ) {
			$errors[] = $cache_error;
		} else {
			// Check if the current UA code is actually present.
			if ( $current_ua_code && false === strpos( $body, $current_ua_code ) ) {
				// We have the tracking code but using another UA, so it's cached.
				$errors[] = $cache_error;
			}
			// Grab all the UA codes from the page.
			$pattern = '/UA-[0-9]+/m';
			preg_match_all( $pattern, $body, $matches );
			// If more than twice ( because MI has a ga-disable-UA also ), let them know to remove the others.
			if ( ! empty( $matches[0] ) && is_array( $matches[0] ) && count( $matches[0] ) > $ua_limit ) {
				$errors[] = $multiple_ua_error;
			}
		}
	}

	return $errors;
}