1--TEST-- 2Test method_exists() function : usage variations - unexpected type for arg 1 3--FILE-- 4<?php 5/* Prototype : proto bool method_exists(object object, string method) 6 * Description: Checks if the class method exists 7 * Source code: Zend/zend_builtin_functions.c 8 * Alias to functions: 9 */ 10 11function __autoload($className) { 12 echo "In __autoload($className)\n"; 13} 14 15function test_error_handler($err_no, $err_msg, $filename, $linenum, $vars) { 16 echo "Error: $err_no - $err_msg, $filename($linenum)\n"; 17} 18set_error_handler('test_error_handler'); 19 20echo "*** Testing method_exists() : usage variations ***\n"; 21 22// Initialise function arguments not being substituted (if any) 23$method = 'string_val'; 24 25//get an unset variable 26$unset_var = 10; 27unset ($unset_var); 28 29//array of values to iterate over 30$values = array( 31 32 // int data 33 0, 34 1, 35 12345, 36 -2345, 37 38 // float data 39 10.5, 40 -10.5, 41 10.1234567e10, 42 10.7654321E-10, 43 .5, 44 45 // array data 46 array(), 47 array(0), 48 array(1), 49 array(1, 2), 50 array('color' => 'red', 'item' => 'pen'), 51 52 // null data 53 NULL, 54 null, 55 56 // boolean data 57 true, 58 false, 59 TRUE, 60 FALSE, 61 62 // empty data 63 "", 64 '', 65 66 // string data 67 "string", 68 'String', 69 70 // undefined data 71 $undefined_var, 72 73 // unset data 74 $unset_var, 75); 76 77// loop through each element of the array for object 78 79foreach($values as $value) { 80 echo "\nArg value $value \n"; 81 var_dump( method_exists($value, $method) ); 82}; 83 84echo "Done"; 85?> 86--EXPECTF-- 87*** Testing method_exists() : usage variations *** 88Error: 8 - Undefined variable: undefined_var, %s(68) 89Error: 8 - Undefined variable: unset_var, %s(71) 90 91Arg value 0 92bool(false) 93 94Arg value 1 95bool(false) 96 97Arg value 12345 98bool(false) 99 100Arg value -2345 101bool(false) 102 103Arg value 10.5 104bool(false) 105 106Arg value -10.5 107bool(false) 108 109Arg value 101234567000 110bool(false) 111 112Arg value 1.07654321E-9 113bool(false) 114 115Arg value 0.5 116bool(false) 117Error: 8 - Array to string conversion, %smethod_exists_variation_001.php(%d) 118 119Arg value Array 120bool(false) 121Error: 8 - Array to string conversion, %smethod_exists_variation_001.php(%d) 122 123Arg value Array 124bool(false) 125Error: 8 - Array to string conversion, %smethod_exists_variation_001.php(%d) 126 127Arg value Array 128bool(false) 129Error: 8 - Array to string conversion, %smethod_exists_variation_001.php(%d) 130 131Arg value Array 132bool(false) 133Error: 8 - Array to string conversion, %smethod_exists_variation_001.php(%d) 134 135Arg value Array 136bool(false) 137 138Arg value 139bool(false) 140 141Arg value 142bool(false) 143 144Arg value 1 145bool(false) 146 147Arg value 148bool(false) 149 150Arg value 1 151bool(false) 152 153Arg value 154bool(false) 155 156Arg value 157bool(false) 158 159Arg value 160bool(false) 161 162Arg value string 163In __autoload(string) 164bool(false) 165 166Arg value String 167In __autoload(String) 168bool(false) 169 170Arg value 171bool(false) 172 173Arg value 174bool(false) 175Done