hakre

<?php
/*
 * dl-file.php
 *
 * Protect uploaded files with login.
 * 
 * @link http://wordpress.stackexchange.com/questions/37144/protect-wordpress-uploads-if-user-is-not-logged-in
 * 
 * @author hakre <http://hakre.wordpress.com/>
 * @license GPL-3.0+

markjaquith

<?php
/*
Usage:
	$frag = new CWS_Fragment_Cache( 'unique-key', 3600 ); // Second param is TTL
	if ( !$frag->output() ) { // NOTE, testing for a return of false
		functions_that_do_stuff_live();
		these_should_echo();
		// IMPORTANT
		$frag->store();
		// YOU CANNOT FORGET THIS. If you do, the site will break.

charleslouis

<?php

/**
 * [list_searcheable_acf list all the custom fields we want to include in our search query]
 * @return [array] [list of custom fields]
 */
function list_searcheable_acf(){
  $list_searcheable_acf = array("title", "sub_title", "excerpt_short", "excerpt_long", "xyz", "myACF");
  return $list_searcheable_acf;
}

hlashbrooke

<?php
function plugin_add_settings_link( $links ) {
    $settings_link = '<a href="options-general.php?page=plugin_name">' . __( 'Settings' ) . '</a>';
    array_push( $links, $settings_link );
  	return $links;
}
$plugin = plugin_basename( __FILE__ );
add_filter( "plugin_action_links_$plugin", 'plugin_add_settings_link' );
?>

bedeabza

function hexToHsl($hex) {
    $hex = array($hex[0].$hex[1], $hex[2].$hex[3], $hex[4].$hex[5]);
    $rgb = array_map(function($part) {
        return hexdec($part) / 255;
    }, $hex);

    $max = max($rgb);
    $min = min($rgb);

    $l = ($max + $min) / 2;

mcguffin

<?php

/**
 * Get field key for field name.
 * Will return first matched acf field key for a give field name.
 * 
 * ACF somehow requires a field key, where a sane developer would prefer a human readable field name.
 * http://www.advancedcustomfields.com/resources/update_field/#field_key-vs%20field_name
 * 
 * This function will return the field_key of a certain field.

webgurus

<?php
/**
 * Function that will automatically update ACF field groups via JSON file update.
 * 
 * @link http://www.advancedcustomfields.com/resources/synchronized-json/
 */
function jp_sync_acf_fields() {
	// vars
	$groups = acf_get_field_groups();
	$sync 	= array();

senlin

<?php
/**
 * To get this to work, you need to tinker with the acf/settings/ filter and reset the default language
 * so that the get_field() function returns the correct results even when not on the default language.
 * 
 * You can add the filter before you call the get_field() function and then call it again with the current 
 * language to reset it again, so it will affect other pages.
 * 
 * answer courtesy of James of ACF Support
 */

mgibbs189

<?php

function fwp_rename_post( $params, $class ) {
    if ( 'post_types' == $params['facet_name'] && 'post' == $params['facet_value'] ) {
        $params['facet_display_value'] = 'Articles';
    }
    return $params;
}
add_filter( 'facetwp_index_row', 'fwp_rename_post', 10, 2 );

Idealien

(function($) {

    acf.add_action('ready', function( $el ){

        //Identify the field you want to check against.
        //Use a class to handle scenarios involving repeater / flexible content where multiple instances exist
        var $field = $('.example input');

        $field.on('change', function (evt) {