1--TEST-- 2Test array_pop() function (errors) 3--FILE-- 4<?php 5 6$empty_array = array(); 7$number = 5; 8$str = "abc"; 9 10 11/* Various combinations of arrays to be used for the test */ 12$mixed_array = array( 13 array(), 14 array( 1,2,3,4,5,6,7,8,9 ), 15 array( "One", "_Two", "Three", "Four", "Five" ), 16 array( 6, "six", 7, "seven", 8, "eight", 9, "nine" ), 17 array( "a" => "aaa", "A" => "AAA", "c" => "ccc", "d" => "ddd", "e" => "eee" ), 18 array( "1" => "one", "2" => "two", "3" => "three", "4" => "four", "5" => "five" ), 19 array( 1 => "one", 2 => "two", 3 => 7, 4 => "four", 5 => "five" ), 20 array( "f" => "fff", "1" => "one", 4 => 6, "" => "blank", 2.4 => "float", "F" => "FFF", 21 "blank" => "", 3.7 => 3.7, 5.4 => 7, 6 => 8.6, '5' => "Five", "4name" => "jonny", "a" => NULL, NULL => 3 ), 22 array( 12, "name", 'age', '45' ), 23 array( array("oNe", "tWo", 4), array(10, 20, 30, 40, 50), array() ), 24 array( "one" => 1, "one" => 2, "three" => 3, 3, 4, 3 => 33, 4 => 44, 5, 6, 25 5.4 => 54, 5.7 => 57, "5.4" => 554, "5.7" => 557 ) 26); 27 28/* Testing Error Conditions */ 29echo "\n*** Testing Error Conditions ***\n"; 30 31/* Zero argument */ 32var_dump( array_pop() ); 33 34/* Scalar argument */ 35var_dump( array_pop($number) ); 36 37/* String argument */ 38var_dump( array_pop($str) ); 39 40/* Invalid Number of arguments */ 41var_dump( array_pop($mixed_array[1],$mixed_array[2]) ); 42 43/* Empty Array as argument */ 44var_dump( array_pop($empty_array) ); 45 46echo"\nDone"; 47?> 48--EXPECTF-- 49*** Testing Error Conditions *** 50 51Warning: array_pop() expects exactly 1 parameter, 0 given in %s on line %d 52NULL 53 54Warning: array_pop() expects parameter 1 to be array, integer given in %s on line %d 55NULL 56 57Warning: array_pop() expects parameter 1 to be array, string given in %s on line %d 58NULL 59 60Warning: array_pop() expects exactly 1 parameter, 2 given in %s on line %d 61NULL 62NULL 63 64Done 65