resarahman

(function() {
	var link = $('link');
	
	$('button').on('click', function() {
		var $this = $(this),
			stylesheet = $this.data('file');
		link.attr('href', stylesheet + '.css');
		$this
			.siblings('button')
				.removeAttr('disabled')

resarahman

(function() {
	var link = $('link');
	
	$('button').on('click', function() {
		var $this = $(this),
			stylesheet = $this.data('file');
		link.attr('href', stylesheet + '.css');
		$this
			.siblings('button')
				.removeAttr('disabled')

resarahman

(function() {
	var link = $('link');
	
	$('button').on('click', function() {
		var $this = $(this),
			stylesheet = $this.data('file');
		link.attr('href', stylesheet + '.css');
		$this
			.siblings('button')
				.removeAttr('disabled')

resarahman

(function() {
	var link = $('link');
	
	$('button').on('click', function() {
		var $this = $(this),
			stylesheet = $this.data('file');
		link.attr('href', stylesheet + '.css');
		$this
			.siblings('button')
				.removeAttr('disabled')

resarahman

(function() {
	var link = $('link');
	
	$('button').on('click', function() {
		var $this = $(this),
			stylesheet = $this.data('file');
		link.attr('href', stylesheet + '.css');
		$this
			.siblings('button')
				.removeAttr('disabled')

resarahman

<?php

function custom_next_prev_post_links( $join, $in_same_term, $excluded_terms, $taxonomy, $post ){
  global $wpdb;
  
  $join .= " INNER JOIN $wpdb->postmeta AS m ON p.ID = m.post_id AND m.meta_key = 'your_meta_key_name'";
  return $join;
}
add_filter('get_next_post_join', 'custom_next_prev_post_links', 10, 5);
add_filter('get_previous_post_join', 'custom_next_prev_post_links', 10, 5);

resarahman

/**
 * Determine whether ajax request from frontend.
 * 
 * @return boolean
 */
function request_is_frontend_ajax() {

	$script_filename = isset($_SERVER['SCRIPT_FILENAME']) ? $_SERVER['SCRIPT_FILENAME'] : '';
 
	//Try to figure out if frontend AJAX request... If we are DOING_AJAX; let's look closer