1--TEST-- 2Test method_exists() function : usage variations - unexpected type for arg 2 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 11spl_autoload_register(function ($className) { 12 echo "In autoload($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$object = new stdclass(); 24 25//get an unset variable 26$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 // object data 67 new stdclass(), 68 69 // undefined data 70 $undefined_var, 71 72 // unset data 73 $unset_var, 74); 75 76// loop through each element of the array for method 77 78foreach($values as $value) { 79 echo "\nArg value $value \n"; 80 var_dump( method_exists($object, $value) ); 81}; 82 83echo "Done"; 84?> 85--EXPECTF-- 86*** Testing method_exists() : usage variations *** 87Error: 8 - Undefined variable: undefined_var, %s(67) 88Error: 8 - Undefined variable: unset_var, %s(70) 89 90Arg value 0 91bool(false) 92 93Arg value 1 94bool(false) 95 96Arg value 12345 97bool(false) 98 99Arg value -2345 100bool(false) 101 102Arg value 10.5 103bool(false) 104 105Arg value -10.5 106bool(false) 107 108Arg value 101234567000 109bool(false) 110 111Arg value 1.07654321E-9 112bool(false) 113 114Arg value 0.5 115bool(false) 116Error: 8 - Array to string conversion, %smethod_exists_variation_002.php(%d) 117 118Arg value Array 119Error: 2 - method_exists() expects parameter 2 to be string, array given, %s(77) 120NULL 121Error: 8 - Array to string conversion, %smethod_exists_variation_002.php(%d) 122 123Arg value Array 124Error: 2 - method_exists() expects parameter 2 to be string, array given, %s(77) 125NULL 126Error: 8 - Array to string conversion, %smethod_exists_variation_002.php(%d) 127 128Arg value Array 129Error: 2 - method_exists() expects parameter 2 to be string, array given, %s(77) 130NULL 131Error: 8 - Array to string conversion, %smethod_exists_variation_002.php(%d) 132 133Arg value Array 134Error: 2 - method_exists() expects parameter 2 to be string, array given, %s(77) 135NULL 136Error: 8 - Array to string conversion, %smethod_exists_variation_002.php(%d) 137 138Arg value Array 139Error: 2 - method_exists() expects parameter 2 to be string, array given, %s(77) 140NULL 141 142Arg value 143bool(false) 144 145Arg value 146bool(false) 147 148Arg value 1 149bool(false) 150 151Arg value 152bool(false) 153 154Arg value 1 155bool(false) 156 157Arg value 158bool(false) 159 160Arg value 161bool(false) 162 163Arg value 164bool(false) 165Error: 4096 - Object of class stdClass could not be converted to string, %s(76) 166 167Arg value 168Error: 2 - method_exists() expects parameter 2 to be string, object given, %s(77) 169NULL 170 171Arg value 172bool(false) 173 174Arg value 175bool(false) 176Done 177