1--TEST-- 2Test array_key_exists() function : usage variations - position of internal array pointer 3--FILE-- 4<?php 5/* Prototype : bool array_key_exists(mixed $key, array $search) 6 * Description: Checks if the given key or index exists in the array 7 * Source code: ext/standard/array.c 8 * Alias to functions: key_exists 9 */ 10 11/* 12 * Check the position of the internal array pointer after calling array_key_exists() 13 */ 14 15echo "*** Testing array_key_exists() : usage variations ***\n"; 16 17$input = array ('one' => 'un', 'two' => 'deux', 'three' => 'trois'); 18 19echo "\n-- Call array_key_exists() --\n"; 20var_dump($result = array_key_exists('one', $input)); 21 22echo "\n-- Position of Internal Pointer in Original Array: --\n"; 23echo key($input) . " => " . current ($input) . "\n"; 24 25echo "Done"; 26?> 27--EXPECTF-- 28*** Testing array_key_exists() : usage variations *** 29 30-- Call array_key_exists() -- 31bool(true) 32 33-- Position of Internal Pointer in Original Array: -- 34one => un 35Done 36