1--TEST-- 2Test array_search() function : usage variations - haystack as sub-array/object 3--FILE-- 4<?php 5/* 6 * Prototype : mixed array_search ( mixed $needle, array $haystack [, bool $strict] ) 7 * Description: Searches haystack for needle and returns the key if it is found in the array, FALSE otherwise 8 * Source Code: ext/standard/array.c 9*/ 10 11/* checking for sub-arrays with array_search() */ 12echo "*** Testing sub-arrays with array_search() ***\n"; 13$sub_array = array ( 14 "one", 15 array(1, 2 => "two", "three" => 3), 16 4 => "four", 17 "five" => 5, 18 array('', 'i') 19); 20var_dump( array_search("four", $sub_array) ); 21//checking for element in a sub-array 22var_dump( array_search(3, $sub_array[1]) ); 23var_dump( array_search(array('','i'), $sub_array) ); 24 25/* checking for objects in array_search() */ 26echo "\n*** Testing objects with array_search() ***\n"; 27class array_search_check { 28 public $array_var = array(1=>"one", "two"=>2, 3=>3); 29 public function foo() { 30 echo "Public function\n"; 31 } 32} 33 34$array_search_obj = new array_search_check(); //creating new object 35//error: as wrong datatype for second argument 36var_dump( array_search("array_var", $array_search_obj) ); 37//error: as wrong datatype for second argument 38var_dump( array_search("foo", $array_search_obj) ); 39//element found as "one" exists in array $array_var 40var_dump( array_search("one", $array_search_obj->array_var) ); 41 42echo "Done\n"; 43?> 44--EXPECTF-- 45*** Testing sub-arrays with array_search() *** 46int(4) 47string(5) "three" 48int(5) 49 50*** Testing objects with array_search() *** 51 52Warning: array_search() expects parameter 2 to be array, object given in %s on line %d 53NULL 54 55Warning: array_search() expects parameter 2 to be array, object given in %s on line %d 56NULL 57int(1) 58Done 59
