luetkemj

// This gist is now maintained on github at https://github.com/luetkemj/wp-query-ref

<?php
/**
* WordPress Query Comprehensive Reference
* Compiled by luetkemj - luetkemj.github.io
*
* CODEX: http://codex.wordpress.org/Class_Reference/WP_Query#Parameters
* Source: https://core.trac.wordpress.org/browser/tags/4.9.4/src/wp-includes/query.php
*/

billerickson

<?php

$args = array(

	// Normal query goes here //

	'no_found_rows' => true, // counts posts, remove if pagination required
	'update_post_term_cache' => false, // grabs terms, remove if terms required (category, tag...)
	'update_post_meta_cache' => false, // grabs post meta, remove if post meta required
);

maxxscho

function shortcode_empty_paragraph_fix($content)
{  
    $array = array (
        '<p>[' => '[',
        ']</p>' => ']',
        ']<br />' => ']'
    );

    $content = strtr($content, $array);

Narga

<?php
  global $wpdb;
  $sql = "SELECT DISTINCT ID, post_title, post_password, comment_ID, comment_post_ID, comment_author, comment_date_gmt, comment_approved, comment_type,comment_author_url, SUBSTRING(comment_content,1,30) AS com_excerpt FROM $wpdb->comments LEFT OUTER JOIN $wpdb->posts ON ($wpdb->comments.comment_post_ID = $wpdb->posts.ID) WHERE comment_approved = '1' AND comment_type = '' AND post_password = '' ORDER BY comment_date_gmt DESC LIMIT 10";

  $comments = $wpdb->get_results($sql);
  $output = $pre_HTML;
  $output .= "n<ul>";
  foreach ($comments as $comment) {
    $output .= "n<li>".strip_tags($comment->comment_author) .":" . "<a href="" . get_permalink($comment->ID)."#comment-" . $comment->comment_ID . "" title="on ".$comment->post_title . "">" . strip_tags($comment->com_excerpt)."</a></li>";
  }

RalfAlbert

<?php
add_action( 'save_post', 'clear_many_sites_transient', 10, 1 );
add_action( 'edit_post', 'clear_many_sites_transient', 10, 1 );

function clear_many_sites_transient( $post_id ){

	$post = get_post( $post_id );
	
	if( 'page' === $post->post_type )
		delete_transient( 'many_sites_in_one' );

c3mdigital

<?php
/*
Plugin Name: Custom WordPress Avatars
Plugin URI: http://c3mdigital.com
Description: Adds a custom avatar uploader in the user profile to replace gravatars with a custom avatar
Version: 1.0
Author: Chris Olbekson
Author URI: http://c3mdigital.com/
License: GPL v2
*/

JimWestergren

<?php

/*
    Author: Jim Westergren & Jeedo Aquino
    File: index-with-redis.php
    Updated: 2012-10-25

    This is a redis caching system for wordpress.
    see more here: www.jimwestergren.com/wordpress-with-redis-as-a-frontend-cache/

Abban

<?
protected function valid_facebook_url($field){
    if(!preg_match('/^(http\:\/\/|https\:\/\/)?(?:www\.)?facebook\.com\/(?:(?:\w\.)*#!\/)?(?:pages\/)?(?:[\w\-\.]*\/)*([\w\-\.]*)/', $field)){
        return false;
    }
    return true;
}

bcole808

<?php
/**
 * Retrieves a template part and caches the output to speed up site
 * NOTE: Because we are caching display of posts, we need to make sure to delete the transients when posts are updated or published that might affect these template parts. 
 * 
 * Uses this function in conjunction with the WP cache: http://codex.wordpress.org/Function_Reference/get_template_part
 *
 * @param  $slug (string) (required) The slug name for the generic template.
 * @param  $name (string) (optional) The name of the specialized template.
 * @return (string) HTML output of the template part. 

dbranes

/** 
 * Example how to setup up multiple comment forms and comments lists
 *
 * @version 0.0.5
 * @file    functions.php
 * @see     http://www.wpquestions.com/question/showLoggedIn/id/9749
 */


/**