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/**
 * Get a nested object value by path.
 *
 * @example
 *   var obj = {foo: {bar: 'baz'}};
 *   getNestedValue(obj, 'foo.bar'); // returns 'baz'
 *
 * @param  {Object} obj  The nested object.
 * @param  {String} path The object path.
 * @return {any}         The object value at the specified path.

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import { useRef, useState, useEffect } from 'react';

/**
 * Get the size of a component on render and resize
 *
 * @example
 * const sizeRef = useRef(null);
 * const { height, width } = useSize(sizeRef)
 *
 * <div ref={sizeRef}>

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/**
 * Escape RegExp special characters
 *
 * @param  {string} str String to escape
 * @return {string}     Escaped string
 */
const escapeRegExp = (str = '') => str.replace(/[\\^$.*+?()[\]{}|]/g, '\\$&');


/**

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<?php
/**
 * Add Registration Date as a sortable column for users
 */
class NH_User_Registration_Column {

    function __construct() {
        add_filter( 'manage_users_columns',          array($this, 'manage_users_columns') );
        add_filter( 'manage_users_custom_column',    array($this, 'manage_users_custom_column'), 10, 3 );
        add_filter( 'manage_users_sortable_columns', array($this, 'manage_users_sortable_columns') );

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jQuery(function($) {
    // Test for file API support.
    var fileApiSuport = !!(window.File && window.FileReader );

    /**
     * Resize images that exceed the maximum size (in pixels)
     * @param   {object}    input     The file input.
     * @param   {Function}  callback  Callback function run after the image has been resized.
     * @return  {null}
     */

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<?php
/**
 * Create a button that generates a shortcode to be added to TinyMCE.
 *
 * @todo  Add an option to change the template file path.
 *        Add the ability to specify what admin pages the button is displayed on.
 */
class NH_Shortcode_Generator {

    private $form_id = null;

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<?php
class NH_MailChimp_Archive {
    private $_args, $max_page,

    public function __construct($args = array()) {
        global $paged;
        $defaults = array(
            'apikey'     => false,
            'start'      => 0,
            'limit'      => 12,

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<?php
class NH_Post_Type_Pages {

    private $pfpt, $post_types;

    function __construct() {
        $this->get_post_type_pages();
        add_action( 'admin_init', array(&$this, 'reading_settings_section') );
        if(!is_admin() || (defined('DOING_AJAX') && DOING_AJAX)):
            add_filter( 'pre_option_show_on_front', array(&$this, 'filter_show_on_front'));

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<?php
// Extract the first gallery from a page/post
function  first_gallery_401($id = false, $echo = true)  {
    global $post;
    if(!$id) $id = $post->ID;
    if ( $gallery = get_post_gallery() ) :
        add_filter( 'post_gallery', 'remove_the_first_gallery' );
        if($echo):
            echo $gallery;
        else:

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<?php
// Debug Custom Page Templates
function custom_page_templates_page() {
    $templates = wp_get_theme()->get_page_templates();
    $done = array();
    $row = '<tr><td><a href="%s">%s</a></td><td width="60"><em>%s</em></td><td width="20"><a href="%s">edit</a></td></tr>';
    $not_found = '<tr><td colspan="3"><em>No pages found using this template.</em></td></tr>';
    echo '<div class="wrap"><div id="icon-tools" class="icon32"></div>';
        echo '<h2>Custom Page Templates</h2>';
    foreach ( $templates as $template_name => $template_filename ):