ID, '_gist_id', true ) ; $gist_id = ! empty( $gist_id ) ? $gist_id : ''; $gist_data = get_post_meta( $data->ID, '_gist_data', true ); $gist_data = ! empty( $gist_data ) ? $gist_data : array(); $files = ''; if ( ! empty( $gist_data ) ) { foreach ( $gist_data as $file => $data ) $files .= '
  • {' . $file . '}
    • '; } ?>

    $gist_id, 'error' => 'Empty Post ID or Gist ID.' ) ) ); check_ajax_referer( 'ds_gist' ); $gist_body = wp_remote_retrieve_body( wp_remote_get( $gist_url = sprintf( "https://gist.github.com/%s.json", $gist_id ) ) ); $gist_body = json_decode( $gist_body ); if ( empty( $gist_body ) ) die( json_encode( array( 'id' => $gist_id, 'error' => 'Empty Body' ) ) ); if ( ! empty( $gist_body->error ) ) { die( json_encode( array( 'id' => $gist_id, 'error' => $gist_body->error ) ) ); } update_post_meta( $post_id, '_gist_id', $gist_id ); $gist_files = $gist_body->files; preg_match_all( '/
    (.+?)<\/pre>/is', $gist_body->div, $gist_divs );
	$gist_divs = $gist_divs[0];

	foreach ( $gist_files as $i => $gist_file )
		$gist_data[ $gist_file ] = '
    ' . $gist_divs[$i] . '
    ';

	foreach ( $gist_data as $file => $gist_item ) {
		$gist_new_meta = sprintf(
			'
    RAW · Download · Gist@GitHub
    ',
			esc_url( "https://gist.github.com/raw/{$gist_id}/{$file}" ),
			esc_url( "https://gist.github.com/gists/{$gist_id}/download"),
			esc_url( "https://gist.github.com/{$gist_id}")
		);
		$gist_data[ $file ] .= $gist_new_meta;
	}

	update_post_meta( $post_id, '_gist_data', $gist_data );

	die( json_encode( array(
		'id'    => $gist_id,
		'files' => $gist_files
	) ) );
}

/*
 * AJAX callback function which handles the API response. Saves the data
 * into custom fields
 */
function ds_convert_to_gist( $content ) {
	$gist_data = get_post_meta( get_the_ID(), '_gist_data', true );

	if ( empty( $gist_data ) )
		return $content;

	wp_enqueue_style('gist-css');

	foreach ( $gist_data as $file => $file_data ) {
		$files[] = '/{' . $file . '}/';
		$data[]  = $file_data;
	}

	$content = preg_replace(
		$files,
		$data,
		$content
	);

	return $content;
}