1--TEST-- 2is_a and is_subclass_of behaviour (with and without autoload) 3--SKIPIF-- 4<?php if (version_compare(zend_version(), '2.0.0-dev', '<')) die('skip ZendEngine 2 needed'); ?> 5--FILE-- 6<?php 7 8interface if_a { 9 function f_a(); 10} 11 12interface if_b extends if_a { 13 function f_b(); 14} 15 16class base { 17 function _is_a($sub) { 18 19 echo "\n>>> With Defined class\n"; 20 echo str_pad('is_a( OBJECT:'.get_class($this).', '.$sub.') = ', 60) . (is_a($this, $sub) ? 'yes' : 'no')."\n"; 21 echo str_pad('is_a( STRING:'.get_class($this).', '.$sub.') = ', 60). (is_a(get_class($this), $sub) ? 'yes' : 'no')."\n"; 22 echo str_pad('is_a( STRING:'.get_class($this).', '.$sub.', true) = ', 60). (is_a(get_class($this), $sub, true) ? 'yes' : 'no')."\n"; 23 echo str_pad('is_subclass_of( OBJECT:'.get_class($this).', '.$sub.') = ', 60). (is_subclass_of($this, $sub) ? 'yes' : 'no')."\n"; 24 echo str_pad('is_subclass_of( STRING:'.get_class($this).', '.$sub.') = ', 60). (is_subclass_of(get_class($this), $sub) ? 'yes' : 'no')."\n"; 25 echo str_pad('is_subclass_of( STRING:'.get_class($this).', '.$sub.',false) = ', 60). (is_subclass_of(get_class($this), $sub , false) ? 'yes' : 'no')."\n"; 26 27 // with autoload options.. 28 echo ">>> With Undefined\n"; 29 echo str_pad('is_a( STRING:undefB, '.$sub.',true) = ', 60). (is_a('undefB', $sub, true) ? 'yes' : 'no')."\n"; 30 echo str_pad('is_a( STRING:undefB, '.$sub.') = ', 60). (is_a('undefB', $sub) ? 'yes' : 'no')."\n"; 31 echo str_pad('is_subclass_of( STRING:undefB, '.$sub.',false) = ', 60). (is_subclass_of('undefB', $sub, false) ? 'yes' : 'no')."\n"; 32 echo str_pad('is_subclass_of( STRING:undefB, '.$sub.') = ', 60). (is_subclass_of('undefB', $sub) ? 'yes' : 'no')."\n"; 33 } 34 function test() { 35 echo $this->_is_a('base'); 36 echo $this->_is_a('derived_a'); 37 echo $this->_is_a('if_a'); 38 echo $this->_is_a('undefA'); 39 echo "\n"; 40 } 41} 42 43class derived_a extends base implements if_a { 44 function f_a() {} 45} 46 47class derived_b extends base implements if_a, if_b { 48 function f_a() {} 49 function f_b() {} 50} 51 52class derived_c extends derived_a implements if_b { 53 function f_b() {} 54} 55 56class derived_d extends derived_c { 57} 58 59$t = new base(); 60$t->test(); 61 62$t = new derived_a(); 63$t->test(); 64 65eval(' 66 function __autoload($name) 67 { 68 echo ">>>> In __autoload: "; 69 var_dump($name); 70 } 71'); 72 73echo "NOW WITH AUTOLOAD\n\n"; 74 75$t = new base(); 76$t->test(); 77 78$t = new derived_a(); 79$t->test(); 80 81$t = new derived_b(); 82$t->test(); 83 84 85 86 87 88?> 89--EXPECTF-- 90>>> With Defined class 91is_a( OBJECT:base, base) = yes 92is_a( STRING:base, base) = no 93is_a( STRING:base, base, true) = yes 94is_subclass_of( OBJECT:base, base) = no 95is_subclass_of( STRING:base, base) = no 96is_subclass_of( STRING:base, base,false) = no 97>>> With Undefined 98is_a( STRING:undefB, base,true) = no 99is_a( STRING:undefB, base) = no 100is_subclass_of( STRING:undefB, base,false) = no 101is_subclass_of( STRING:undefB, base) = no 102 103>>> With Defined class 104is_a( OBJECT:base, derived_a) = no 105is_a( STRING:base, derived_a) = no 106is_a( STRING:base, derived_a, true) = no 107is_subclass_of( OBJECT:base, derived_a) = no 108is_subclass_of( STRING:base, derived_a) = no 109is_subclass_of( STRING:base, derived_a,false) = no 110>>> With Undefined 111is_a( STRING:undefB, derived_a,true) = no 112is_a( STRING:undefB, derived_a) = no 113is_subclass_of( STRING:undefB, derived_a,false) = no 114is_subclass_of( STRING:undefB, derived_a) = no 115 116>>> With Defined class 117is_a( OBJECT:base, if_a) = no 118is_a( STRING:base, if_a) = no 119is_a( STRING:base, if_a, true) = no 120is_subclass_of( OBJECT:base, if_a) = no 121is_subclass_of( STRING:base, if_a) = no 122is_subclass_of( STRING:base, if_a,false) = no 123>>> With Undefined 124is_a( STRING:undefB, if_a,true) = no 125is_a( STRING:undefB, if_a) = no 126is_subclass_of( STRING:undefB, if_a,false) = no 127is_subclass_of( STRING:undefB, if_a) = no 128 129>>> With Defined class 130is_a( OBJECT:base, undefA) = no 131is_a( STRING:base, undefA) = no 132is_a( STRING:base, undefA, true) = no 133is_subclass_of( OBJECT:base, undefA) = no 134is_subclass_of( STRING:base, undefA) = no 135is_subclass_of( STRING:base, undefA,false) = no 136>>> With Undefined 137is_a( STRING:undefB, undefA,true) = no 138is_a( STRING:undefB, undefA) = no 139is_subclass_of( STRING:undefB, undefA,false) = no 140is_subclass_of( STRING:undefB, undefA) = no 141 142 143>>> With Defined class 144is_a( OBJECT:derived_a, base) = yes 145is_a( STRING:derived_a, base) = no 146is_a( STRING:derived_a, base, true) = yes 147is_subclass_of( OBJECT:derived_a, base) = yes 148is_subclass_of( STRING:derived_a, base) = yes 149is_subclass_of( STRING:derived_a, base,false) = no 150>>> With Undefined 151is_a( STRING:undefB, base,true) = no 152is_a( STRING:undefB, base) = no 153is_subclass_of( STRING:undefB, base,false) = no 154is_subclass_of( STRING:undefB, base) = no 155 156>>> With Defined class 157is_a( OBJECT:derived_a, derived_a) = yes 158is_a( STRING:derived_a, derived_a) = no 159is_a( STRING:derived_a, derived_a, true) = yes 160is_subclass_of( OBJECT:derived_a, derived_a) = no 161is_subclass_of( STRING:derived_a, derived_a) = no 162is_subclass_of( STRING:derived_a, derived_a,false) = no 163>>> With Undefined 164is_a( STRING:undefB, derived_a,true) = no 165is_a( STRING:undefB, derived_a) = no 166is_subclass_of( STRING:undefB, derived_a,false) = no 167is_subclass_of( STRING:undefB, derived_a) = no 168 169>>> With Defined class 170is_a( OBJECT:derived_a, if_a) = yes 171is_a( STRING:derived_a, if_a) = no 172is_a( STRING:derived_a, if_a, true) = yes 173is_subclass_of( OBJECT:derived_a, if_a) = yes 174is_subclass_of( STRING:derived_a, if_a) = yes 175is_subclass_of( STRING:derived_a, if_a,false) = no 176>>> With Undefined 177is_a( STRING:undefB, if_a,true) = no 178is_a( STRING:undefB, if_a) = no 179is_subclass_of( STRING:undefB, if_a,false) = no 180is_subclass_of( STRING:undefB, if_a) = no 181 182>>> With Defined class 183is_a( OBJECT:derived_a, undefA) = no 184is_a( STRING:derived_a, undefA) = no 185is_a( STRING:derived_a, undefA, true) = no 186is_subclass_of( OBJECT:derived_a, undefA) = no 187is_subclass_of( STRING:derived_a, undefA) = no 188is_subclass_of( STRING:derived_a, undefA,false) = no 189>>> With Undefined 190is_a( STRING:undefB, undefA,true) = no 191is_a( STRING:undefB, undefA) = no 192is_subclass_of( STRING:undefB, undefA,false) = no 193is_subclass_of( STRING:undefB, undefA) = no 194 195NOW WITH AUTOLOAD 196 197 198>>> With Defined class 199is_a( OBJECT:base, base) = yes 200is_a( STRING:base, base) = no 201is_a( STRING:base, base, true) = yes 202is_subclass_of( OBJECT:base, base) = no 203is_subclass_of( STRING:base, base) = no 204is_subclass_of( STRING:base, base,false) = no 205>>> With Undefined 206>>>> In __autoload: string(6) "undefB" 207is_a( STRING:undefB, base,true) = no 208is_a( STRING:undefB, base) = no 209is_subclass_of( STRING:undefB, base,false) = no 210>>>> In __autoload: string(6) "undefB" 211is_subclass_of( STRING:undefB, base) = no 212 213>>> With Defined class 214is_a( OBJECT:base, derived_a) = no 215is_a( STRING:base, derived_a) = no 216is_a( STRING:base, derived_a, true) = no 217is_subclass_of( OBJECT:base, derived_a) = no 218is_subclass_of( STRING:base, derived_a) = no 219is_subclass_of( STRING:base, derived_a,false) = no 220>>> With Undefined 221>>>> In __autoload: string(6) "undefB" 222is_a( STRING:undefB, derived_a,true) = no 223is_a( STRING:undefB, derived_a) = no 224is_subclass_of( STRING:undefB, derived_a,false) = no 225>>>> In __autoload: string(6) "undefB" 226is_subclass_of( STRING:undefB, derived_a) = no 227 228>>> With Defined class 229is_a( OBJECT:base, if_a) = no 230is_a( STRING:base, if_a) = no 231is_a( STRING:base, if_a, true) = no 232is_subclass_of( OBJECT:base, if_a) = no 233is_subclass_of( STRING:base, if_a) = no 234is_subclass_of( STRING:base, if_a,false) = no 235>>> With Undefined 236>>>> In __autoload: string(6) "undefB" 237is_a( STRING:undefB, if_a,true) = no 238is_a( STRING:undefB, if_a) = no 239is_subclass_of( STRING:undefB, if_a,false) = no 240>>>> In __autoload: string(6) "undefB" 241is_subclass_of( STRING:undefB, if_a) = no 242 243>>> With Defined class 244is_a( OBJECT:base, undefA) = no 245is_a( STRING:base, undefA) = no 246is_a( STRING:base, undefA, true) = no 247is_subclass_of( OBJECT:base, undefA) = no 248is_subclass_of( STRING:base, undefA) = no 249is_subclass_of( STRING:base, undefA,false) = no 250>>> With Undefined 251>>>> In __autoload: string(6) "undefB" 252is_a( STRING:undefB, undefA,true) = no 253is_a( STRING:undefB, undefA) = no 254is_subclass_of( STRING:undefB, undefA,false) = no 255>>>> In __autoload: string(6) "undefB" 256is_subclass_of( STRING:undefB, undefA) = no 257 258 259>>> With Defined class 260is_a( OBJECT:derived_a, base) = yes 261is_a( STRING:derived_a, base) = no 262is_a( STRING:derived_a, base, true) = yes 263is_subclass_of( OBJECT:derived_a, base) = yes 264is_subclass_of( STRING:derived_a, base) = yes 265is_subclass_of( STRING:derived_a, base,false) = no 266>>> With Undefined 267>>>> In __autoload: string(6) "undefB" 268is_a( STRING:undefB, base,true) = no 269is_a( STRING:undefB, base) = no 270is_subclass_of( STRING:undefB, base,false) = no 271>>>> In __autoload: string(6) "undefB" 272is_subclass_of( STRING:undefB, base) = no 273 274>>> With Defined class 275is_a( OBJECT:derived_a, derived_a) = yes 276is_a( STRING:derived_a, derived_a) = no 277is_a( STRING:derived_a, derived_a, true) = yes 278is_subclass_of( OBJECT:derived_a, derived_a) = no 279is_subclass_of( STRING:derived_a, derived_a) = no 280is_subclass_of( STRING:derived_a, derived_a,false) = no 281>>> With Undefined 282>>>> In __autoload: string(6) "undefB" 283is_a( STRING:undefB, derived_a,true) = no 284is_a( STRING:undefB, derived_a) = no 285is_subclass_of( STRING:undefB, derived_a,false) = no 286>>>> In __autoload: string(6) "undefB" 287is_subclass_of( STRING:undefB, derived_a) = no 288 289>>> With Defined class 290is_a( OBJECT:derived_a, if_a) = yes 291is_a( STRING:derived_a, if_a) = no 292is_a( STRING:derived_a, if_a, true) = yes 293is_subclass_of( OBJECT:derived_a, if_a) = yes 294is_subclass_of( STRING:derived_a, if_a) = yes 295is_subclass_of( STRING:derived_a, if_a,false) = no 296>>> With Undefined 297>>>> In __autoload: string(6) "undefB" 298is_a( STRING:undefB, if_a,true) = no 299is_a( STRING:undefB, if_a) = no 300is_subclass_of( STRING:undefB, if_a,false) = no 301>>>> In __autoload: string(6) "undefB" 302is_subclass_of( STRING:undefB, if_a) = no 303 304>>> With Defined class 305is_a( OBJECT:derived_a, undefA) = no 306is_a( STRING:derived_a, undefA) = no 307is_a( STRING:derived_a, undefA, true) = no 308is_subclass_of( OBJECT:derived_a, undefA) = no 309is_subclass_of( STRING:derived_a, undefA) = no 310is_subclass_of( STRING:derived_a, undefA,false) = no 311>>> With Undefined 312>>>> In __autoload: string(6) "undefB" 313is_a( STRING:undefB, undefA,true) = no 314is_a( STRING:undefB, undefA) = no 315is_subclass_of( STRING:undefB, undefA,false) = no 316>>>> In __autoload: string(6) "undefB" 317is_subclass_of( STRING:undefB, undefA) = no 318 319 320>>> With Defined class 321is_a( OBJECT:derived_b, base) = yes 322is_a( STRING:derived_b, base) = no 323is_a( STRING:derived_b, base, true) = yes 324is_subclass_of( OBJECT:derived_b, base) = yes 325is_subclass_of( STRING:derived_b, base) = yes 326is_subclass_of( STRING:derived_b, base,false) = no 327>>> With Undefined 328>>>> In __autoload: string(6) "undefB" 329is_a( STRING:undefB, base,true) = no 330is_a( STRING:undefB, base) = no 331is_subclass_of( STRING:undefB, base,false) = no 332>>>> In __autoload: string(6) "undefB" 333is_subclass_of( STRING:undefB, base) = no 334 335>>> With Defined class 336is_a( OBJECT:derived_b, derived_a) = no 337is_a( STRING:derived_b, derived_a) = no 338is_a( STRING:derived_b, derived_a, true) = no 339is_subclass_of( OBJECT:derived_b, derived_a) = no 340is_subclass_of( STRING:derived_b, derived_a) = no 341is_subclass_of( STRING:derived_b, derived_a,false) = no 342>>> With Undefined 343>>>> In __autoload: string(6) "undefB" 344is_a( STRING:undefB, derived_a,true) = no 345is_a( STRING:undefB, derived_a) = no 346is_subclass_of( STRING:undefB, derived_a,false) = no 347>>>> In __autoload: string(6) "undefB" 348is_subclass_of( STRING:undefB, derived_a) = no 349 350>>> With Defined class 351is_a( OBJECT:derived_b, if_a) = yes 352is_a( STRING:derived_b, if_a) = no 353is_a( STRING:derived_b, if_a, true) = yes 354is_subclass_of( OBJECT:derived_b, if_a) = yes 355is_subclass_of( STRING:derived_b, if_a) = yes 356is_subclass_of( STRING:derived_b, if_a,false) = no 357>>> With Undefined 358>>>> In __autoload: string(6) "undefB" 359is_a( STRING:undefB, if_a,true) = no 360is_a( STRING:undefB, if_a) = no 361is_subclass_of( STRING:undefB, if_a,false) = no 362>>>> In __autoload: string(6) "undefB" 363is_subclass_of( STRING:undefB, if_a) = no 364 365>>> With Defined class 366is_a( OBJECT:derived_b, undefA) = no 367is_a( STRING:derived_b, undefA) = no 368is_a( STRING:derived_b, undefA, true) = no 369is_subclass_of( OBJECT:derived_b, undefA) = no 370is_subclass_of( STRING:derived_b, undefA) = no 371is_subclass_of( STRING:derived_b, undefA,false) = no 372>>> With Undefined 373>>>> In __autoload: string(6) "undefB" 374is_a( STRING:undefB, undefA,true) = no 375is_a( STRING:undefB, undefA) = no 376is_subclass_of( STRING:undefB, undefA,false) = no 377>>>> In __autoload: string(6) "undefB" 378is_subclass_of( STRING:undefB, undefA) = no 379
