cyberheartmi9

Name : Finding vulnerabilities in PHP scripts FULL ( with examples ) 
Author : SirGod
Email : sirgod08@gmail.com
Contents : 

 1) About
 2) Some stuff
 3) Remote File Inclusion
    3.0 - Basic example
	3.1 - Simple example

cartpauj

<?php
if(class_exists('MeprUtils')) {
  $user = MeprUtils::get_currentuserinfo();
  
  if($user !== false && isset($user->ID)) {
    //Returns an array of Membership ID's that the current user is active on
    //Can also use 'products' or 'transactions' as the argument type
    $active_prodcuts = $user->active_product_subscriptions('ids');
    
    if(!empty($active_prodcuts)) {

nbeers22

<?php
// remove some meta tags from WordPress
remove_action('wp_head', 'wp_generator');
function remove_dns_prefetch( $hints, $relation_type ) {
    if ( 'dns-prefetch' === $relation_type ) {
        return array_diff( wp_dependencies_unique_hosts(), $hints );
    }
 
    return $hints;
}

mattclements

<?php

add_action('admin_init', function () {
    // Redirect any user trying to access comments page
    global $pagenow;
    
    if ($pagenow === 'edit-comments.php') {
        wp_redirect(admin_url());
        exit;
    }

marijn

List of countries

This list served quite some people but someone else did a better job since.

Go to https://github.com/umpirsky/country-list for a list in your language and format.

List of nationalities

I've also compiled a list of nationalities