wpscholar

<?php

/**
 * Force WordPress to return a 404 status
 */
global $wp_query;

$wp_query->set_404();
status_header( 404 );
nocache_headers();

wpscholar

<?php

/**
 *
 * Take a multi-dimensional array in $_POST format and convert into an unordered list.
 *
 * @param $data
 * @param array $args
 * @return string
 */

wpscholar

<?php 

/**
 * WordPress function for redirecting users on login based on user role
 */
function my_login_redirect( $url, $request, $user ){
    if( $user && is_object( $user ) && is_a( $user, 'WP_User' ) ) {
        if( $user->has_cap( 'administrator' ) ) {
            $url = admin_url();
        } else {

wpscholar

<?php
/**
 * WordPress - Store timestamp of a user's last login as user meta
 */
function user_last_login( $user_login, $user ){
    update_user_meta( $user->ID, '_last_login', time() );
}

add_action( 'wp_login', 'user_last_login', 10, 2 );

wpscholar

<?php

/**
 * Force SSL on pages in WordPress
 */
function force_ssl(){
    if( !is_ssl() ){
        $url = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
        wp_redirect( $url, 301);
        exit();

wpscholar

<?php 

/**
 * Takes an array containing address elements and outputs a formatted address.
 */
function get_formatted_address( $address, $args = array() ) {
	$before = isset( $args['before'] ) ? $args['before']: '';
	$after = isset( $args['after'] ) ? $args['after']: '';
	$format = ( isset( $args['format'] ) && 'block' == $args['format'] ) ? 'block': 'inline';
	$formatted_address = '';

wpscholar

<?php

/**
 * Takes an array of data and creates a csv file that will automatically download
 */
function downloadable_csv( $data, $filename = 'data_csv' ){
    /*
        Sample Data Format:
            array(
                'headings' => array(),

wpscholar

<?php

/**
 * Show WordPress custom post types on the main blog and archive pages
 * 
 * @param WP_Query $query
 **/
function show_custom_post_types( $query ) {
  
  // Show all custom post types on main blog and archive pages

wpscholar

/**
 * jQuery plugin that limits the number of characters that can be used in a text field.
 */
(function( $ ){
  $.fn.limitInput = function( limit ) {
    return this.each( function() {
      $(this).keypress( function() {
        if( $(this).val().length > limit ) {
          $(this).val( $(this).val().substring(0, limit) );
        }

wpscholar

<?php
/**
 * Test if a WordPress plugin is active
 */
if ( is_plugin_active('plugin-directory/plugin-file.php') ) {
  // the plugin is active
}