wpcornforgoogleanalytics.php

<?php

register_activation_hook( __FILE__, 'ga_register_cron' );

function ga_register_cron() {
    // Si no existe el evento, lo registramos
    if ( ! wp_next_scheduled( 'ga_daily_cron' ) ) {
        wp_schedule_event( current_time( 'timestamp' ), 'daily', 'ga_daily_cron' );
    }
}

function update_ga_js() {
    $remoteFile    = 'https://www.google-analytics.com/analytics.js';
    $localFilePath = ABSPATH . 'ga/';
    $localFile     = $localFilePath . 'local-analytics.js';

    if ( ! file_exists( $localFile ) ) {
        wp_mkdir_p( $localFilePath );
    }

    if ( ! is_writable( $localFile ) ) {
        $stat  = @ stat( dirname( $localFile ) );
        $perms = $stat['mode'] & 0007777;
        $perms = $perms & 0000666;
        chmod( $localFile, $perms );
        clearstatcache();
    }

    $response = wp_safe_remote_get(
        $remoteFile,
        array(
            'timeout'  => 10,
            'stream'   => true,
            'filename' => $localFile,
        )
    );
}
add_action( 'ga_daily_cron', 'update_ga_js' );