fix(guide): simplify directory structure

guide/english/php/arrays/index.md

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+---
+title: Arrays
+---
+## Arrays
+
+### Types Of Arrays
+In PHP there are three types of arrays: Indexed Arrays, Associative arrays, and Multidimensional arrays.
+
+### Indexed Array Example
+An indexed array accesses objects by index number.
+```PHP
+<?php
+$freecodecamp = array("free", "code", "camp");
+```
+`$freecodecamp[0]` would return `"free"`, `$freecodecamp[1]` would return `"code"`, and `$freecodecamp[2]` would return `"camp"`.
+
+### Associative Array Example
+An associative array accesses objects by key name.
+```PHP
+<?php
+$freecodecamp = array("free"=>"0","code"=>"1","camp"=>"2");
+```
+`$freecodecamp['free']` would return "0", `$freecodecamp['code']` would return "1", `$freecodecamp['camp']` would return "2",
+
+### Multidimensional Array Example
+A multidimensional array is an array that contains other arrays.
+```PHP
+<?php
+$freecodecamp = array(array("free"=>"0","code"=>"1","camp"=>"2"),array("free"=>"0","code"=>"1","camp"=>"2"),array("free"=>"0","code"=>"1","camp"=>"2"));
+```
+
+#### More Information:
+* <a href="https://secure.php.net/manual/en/language.types.array.php" rel="nofollow">php.net arrays manual</a>