wordpress : transient Skeleton

transiant-example

<?php

// Fetches from an online radio a song title currently on air
function boj_myplugin_fetch_song_title_from_radio() {
	// ... code to fetch data from the remote website
	return $title;
}
// Get song title from database, using a 3 minute transient, and return it
function boj_myplugin_get_song_title() {
	// Get transient value
	$title = get_transient( 'boj_myplugin_song' );
	// If the transient does not exists or has expired, refresh it
	if( false === $title ) {
		$title = boj_myplugin_fetch_song_title_from_radio();
		set_transient( 'boj_myplugin_song', $title, 180 );
	}
	return $title;
}?>