shortcodes.php

<?php

/**
 * Get Youtube Videos
 *
 */
function ea_get_youtube_videos( $user = '' ) {

	if( empty( $user ) )
		return;

	$key = 'ea_youtube_gallery_' . sanitize_text_field( $user );

	$data = get_transient( $key );
	if( false === $data ) {

		$channel = ea_get_youtube_channel( $user );

		$url = add_query_arg( array(
			'part'       => 'snippet',
			'channelId'  => $channel,
			'order'      => 'date',
			'maxResults' => 24,
			'key'        => EA_YOUTUBE_API_KEY,
		), 'https://www.googleapis.com/youtube/v3/search' );

		$data = wp_remote_retrieve_body( wp_remote_get( $url ) );
		set_transient( $key, $data, DAY_IN_SECONDS );
	}

	return $data;
}