trace-all-google-bot.php

<?php

// Le coeur de la fonction
add_action( 'muplugins_loaded', 'save_visite_google' );
function save_visite_google() {
	if ( defined( 'DOING_AJAX' ) ) {
		return;
	}
	
	if ( strstr( strtolower( $_SERVER['HTTP_USER_AGENT'] ) , 'googlebot' ) ) {
		$opt = get_option( 'ep_visites' );
		$date = current_time( 'H:m d/m/Y' );
		
		if ( $opt ) {
			$opt = explode( PHP_EOL, $opt );
			array_unshift( $opt, $date );
		} else {
			$opt = array();
			$opt[] = $date;
		}
		// On limite à 25 entrées…
		$opt = array_slice( $opt, 0, 25 );
		
		$opt = implode( PHP_EOL, $opt );
		update_option( 'ep_visites', $opt );
	}
}

// Pour voir la fonction
add_action( 'admin_menu', 'ep_create_menu' );
function ep_create_menu() {
	add_options_page( 'google_ping', 'Visite Google', 'manage_options', 'ep_settings', 'ep_settings_page' );
	register_setting( 'ep', 'ep_visites' );
}

function ep_settings_page() {
	add_settings_section( 'ep_settings_page', __( 'Visites', 'ep' ), '__return_false', 'ep' );

	add_settings_field( 'ep_visites',
        'Les moments où Google à visiter le site',
        'ep_setting_callback_function',
        'ep',
        'ep_settings_page',
        array(
            'options' => array(),
            'name' => 'ep_visites'
         ) );
	?>
	<div class="wrap">
	<h2>Espace Pro</h2>
	<form action="options.php" method="post">
		<?php 
		settings_fields( 'ep' );
		do_settings_sections( 'ep' ); ?>
		<?php submit_button(); ?>
	</form>
<?php
}

function ep_setting_callback_function( $args ) {
    extract( $args );
    $value_old = get_option( $name );
    echo '<textarea name="' . $name . '" class="widefat" rows="10">';
    echo esc_textarea( $value_old );
    echo '</textarea>';

}

trace-google-bot-each-post.php

<?php
// La même fonction pour chaque article
add_action( 'wp_head', 'save_each_visite_google' );
function save_each_visite_google() {
	if ( defined( 'DOING_AJAX' ) || ! is_singular('post') ) {
		return;
	}
	
	if ( strstr( strtolower( $_SERVER['HTTP_USER_AGENT'] ) , 'googlebot' ) ) {
		global $post;
		
		$opt = get_post_meta( $post->ID, 'ep_visites', true );
		$date = current_time( 'H:m d/m/Y' );
		
		if ( $opt ) {
			$opt = explode( PHP_EOL, $opt );
			array_unshift( $opt, $date );
		} else {
			$opt = array();
			$opt[] = $date;
		}
		// On limite à 15 entrées…
		$opt = array_slice( $opt, 0, 15 );
		$opt = implode( PHP_EOL, $opt );
		update_post_meta( $post->ID, 'ep_visites', $opt );
	}
}

// L'afficher dans une metabox
add_action( 'add_meta_boxes', 'each_post_crawl' );
function each_post_crawl( $post_type ) {
	if ( 'post' == $post_type ) {
		add_meta_box( 'crawl-meta-box', 'last_crawls', 'crawl-meta-box', $post_type, 'normal', 'default' );
	}
}

add_action( 'save_post', 'save_modified_crawl' );
function save_modified_crawl( $post_ID ) {
	if ( defined('DOING_AUTOSAVE') && DOING_AUTOSAVE ) {
        	return $post_ID;
	}
        
        if ( isset( $_POST[ 'ep_visites' ] ) ) {
        	check_admin_referer( 'crawl-save_' . $_POST['post_ID'], 'crawl-nonce' );
        	update_post_meta( $_POST['post_ID'], 'ep_visites', esc_textarea( $_POST[ 'ep_visites' ] ) );
        }
}

function last_crawls( $post ) {
	$crawls = get_post_meta( $post->ID, 'ep_visites', true );
	echo '<textarea name="ep_visites" class="widefat" rows="10">';
	echo esc_textarea( $crawls );
	echo '</textarea>';
	
	wp_nonce_field( 'crawl-save_' . $post->ID, 'crawl-nonce') ;
}