roytanck

/**
 * Create a short, fairly unique, urlsafe hash for the input string.
 */
function generate_id( $input, $length = 8 ){
	// Create a raw binary sha256 hash and base64 encode it.
	$hash_base64 = base64_encode( hash( 'sha256', $input, true ) );
	// Replace non-urlsafe chars to make the string urlsafe.
	$hash_urlsafe = strtr( $hash_base64, '+/', '-_' );
	// Trim base64 padding characters from the end.
	$hash_urlsafe = rtrim( $hash_urlsafe, '=' );

roytanck

/**
 * Find out if a user has published content anywhere on the (multi-)site
 */
function rt_user_has_published_content( $user_id ) {
	// Arguments for get_posts, requesting 1 post of any type.
	$args = array(
		'post_type' => 'any',
		'posts_per_page' => 1,
		'author' => $user_id,
		'fields' => 'ids',

roytanck

<?php
/**
 * Plugin Name: RT Autoautoptimize
 * Plugin URI: http://www.this-play.nl
 * Description: Automatically configures default settings for the Autoptimize plugin across a WordPress network
 * Version: 0.9
 * Author: Roy Tanck
 * Author URI: http://www.this-play.nl
 * License: GPL2
 */

roytanck

<?php

function rt_add_link_target( $content ){
	// use the <a> tag to split into segments
	$bits = explode( '<a ', $content );
	// loop though the segments
	foreach( $bits as $key=>$bit ){
		// find the end of each link
		$pos = strpos( $bit, '>' );
		// check if there is an end (only fails with malformed markup)

roytanck

<?php
/**
 * Plugin Name: RT Force Cache Refresh
 * Plugin URI: http://www.this-play.nl
 * Description: Periodically deletes expired WP Super Cache files using WP-Cron
 * Version: 0.8
 * Author: Roy Tanck
 * Author URI: http://www.this-play.nl
 * License: GPL2
 */

roytanck

/**
 * Retrieve the image's intermediate size (resized) path, width, and height.
 *
 * The $size parameter can be an array with the width and height respectively.
 * If the size matches the 'sizes' metadata array for width and height, then it
 * will be used. If there is no direct match, then the nearest image size larger
 * than the specified size will be used. If nothing is found, then the function
 * will break out and return false.
 *
 * The metadata 'sizes' is used for compatible sizes that can be used for the

roytanck

/**
 * Retrieve the image's intermediate size (resized) path, width, and height.
 *
 * The $size parameter can be an array with the width and height respectively.
 * If the size matches the 'sizes' metadata array for width and height, then it
 * will be used. If there is no direct match, then the nearest image size larger
 * than the specified size will be used. If nothing is found, then the function
 * will break out and return false.
 *
 * The metadata 'sizes' is used for compatible sizes that can be used for the

roytanck

<?php
/*
Plugin Name: WCEU test plugin
Plugin URI: http://core.trac.wordpress.org/ticket/17626
Description: Test plugin to trigger bug #17626
Version: 1.0
Author: Roy Tanck
Author URI: http://www.this-play.nl
Licence: GPL
*/

roytanck

if( ! function_exists( 'rt_filter_gform_caps' ) ) {
	function rt_filter_gform_caps( $caps ){
		if( !current_user_can( 'manage_options' ) ){
			if( current_user_can( 'gform_full_access' ) ){
				$user = wp_get_current_user();
				$user->remove_cap('gform_full_access');
			}
			return '';
		} else {
			return $caps;

roytanck

<?php

/**
 * Create HTML list of pages.
 *
 * @package WordPress
 * @since 2.1.0
 * @uses Walker
 */
class Walker_Page_Parent_Only extends Walker {