1--TEST-- 2Test each() function 3--FILE-- 4<?php 5/* Return the current key and value pair from an array 6 and advance the array cursor */ 7 8echo "*** Testing each() : basic functionality ***\n"; 9$arrays = array ( 10 array(0), 11 array(1), 12 array(-1), 13 array(1, 2, 3, 4, 5), 14 array(-1, -2, -3, 6, 7, 8), 15 array("a", "ab", "abc", "abcd"), 16 array("1" => "one", "2" => "two", "3" => "three", "4" => "four"), 17 array("one" => 1, "two" => 2, 3 => "three", 4 => 4, "" => 5, 18 " " => 6, "\x00" => "\x000", "\0" => "\0", "" => "", 19 TRUE => TRUE, FALSE => FALSE, NULL => NULL 20 ), 21 array("1.5" => "one.5", "-2.0" => "negative2.0"), 22 array(-5 => "negative5", -.05 => "negative.05") 23 ); 24 25/* loop through to check working of each() on different arrays */ 26$i = 0; 27while( list( $key, $sub_array) = each($arrays) ) { 28 echo "-- Iteration $i --\n"; 29 $c = count ($sub_array); 30 $c++; // increment by one to create the situation 31 // of accessing beyond array size 32 while ( $c ) { 33 var_dump( each($sub_array) ); 34 $c --; 35 } 36 /* assignment of an array to another variable resets the internal 37 pointer of the array. check this and ensure that each returns 38 the first element after the assignment */ 39 $new_array = $sub_array; 40 var_dump( each($sub_array) ); 41 echo "\n"; 42 $i++; 43} 44 45echo "\n*** Testing each() : possible variations ***\n"; 46echo "-- Testing each() with reset() function --\n"; 47/* reset the $arrays and use each to get the first element */ 48var_dump( reset($arrays) ); 49var_dump( each($arrays) ); // first element 50list($key, $sub_array) = each($arrays); // now second element 51var_dump( each($sub_array) ); 52 53 54echo "-- Testing each() with resources --\n"; 55$fp = fopen(__FILE__, "r"); 56$dfp = opendir("."); 57 58$resources = array ( 59 "file" => $fp, 60 "dir" => $dfp 61); 62 63for( $i = 0; $i < count($resources); $i++) { 64 var_dump( each($resources) ); 65} 66 67echo "-- Testing each with objects --\n"; 68 69class each_class { 70 private $var_private = 100; 71 protected $var_protected = "string"; 72 public $var_public = array(0, 1, TRUE, NULL); 73} 74$each_obj = new each_class(); 75for( $i = 0; $i <= 2; $i++ ) { 76 var_dump( each($each_obj) ); 77} 78 79echo "-- Testing each() with null array --\n"; 80$null_array = array(); 81var_dump( each($null_array) ); 82 83 84echo "\n*** Testing error conditions ***\n"; 85 86/* unexpected number of arguments */ 87var_dump( each() ); // args = 0 88var_dump( each($null_array, $null_array) ); // args > expected 89 90/* unexpected argument type */ 91$var=1; 92$str ="string"; 93$fl = "15.5"; 94var_dump( each($var) ); 95var_dump( each($str) ); 96var_dump( each($fl) ); 97 98// close resourses used 99fclose($fp); 100closedir($dfp); 101 102echo "Done\n"; 103?> 104--EXPECTF-- 105*** Testing each() : basic functionality *** 106 107Deprecated: The each() function is deprecated. This message will be suppressed on further calls in %s on line %d 108-- Iteration 0 -- 109array(4) { 110 [1]=> 111 int(0) 112 ["value"]=> 113 int(0) 114 [0]=> 115 int(0) 116 ["key"]=> 117 int(0) 118} 119bool(false) 120array(4) { 121 [1]=> 122 int(0) 123 ["value"]=> 124 int(0) 125 [0]=> 126 int(0) 127 ["key"]=> 128 int(0) 129} 130 131-- Iteration 1 -- 132array(4) { 133 [1]=> 134 int(1) 135 ["value"]=> 136 int(1) 137 [0]=> 138 int(0) 139 ["key"]=> 140 int(0) 141} 142bool(false) 143array(4) { 144 [1]=> 145 int(1) 146 ["value"]=> 147 int(1) 148 [0]=> 149 int(0) 150 ["key"]=> 151 int(0) 152} 153 154-- Iteration 2 -- 155array(4) { 156 [1]=> 157 int(-1) 158 ["value"]=> 159 int(-1) 160 [0]=> 161 int(0) 162 ["key"]=> 163 int(0) 164} 165bool(false) 166array(4) { 167 [1]=> 168 int(-1) 169 ["value"]=> 170 int(-1) 171 [0]=> 172 int(0) 173 ["key"]=> 174 int(0) 175} 176 177-- Iteration 3 -- 178array(4) { 179 [1]=> 180 int(1) 181 ["value"]=> 182 int(1) 183 [0]=> 184 int(0) 185 ["key"]=> 186 int(0) 187} 188array(4) { 189 [1]=> 190 int(2) 191 ["value"]=> 192 int(2) 193 [0]=> 194 int(1) 195 ["key"]=> 196 int(1) 197} 198array(4) { 199 [1]=> 200 int(3) 201 ["value"]=> 202 int(3) 203 [0]=> 204 int(2) 205 ["key"]=> 206 int(2) 207} 208array(4) { 209 [1]=> 210 int(4) 211 ["value"]=> 212 int(4) 213 [0]=> 214 int(3) 215 ["key"]=> 216 int(3) 217} 218array(4) { 219 [1]=> 220 int(5) 221 ["value"]=> 222 int(5) 223 [0]=> 224 int(4) 225 ["key"]=> 226 int(4) 227} 228bool(false) 229array(4) { 230 [1]=> 231 int(1) 232 ["value"]=> 233 int(1) 234 [0]=> 235 int(0) 236 ["key"]=> 237 int(0) 238} 239 240-- Iteration 4 -- 241array(4) { 242 [1]=> 243 int(-1) 244 ["value"]=> 245 int(-1) 246 [0]=> 247 int(0) 248 ["key"]=> 249 int(0) 250} 251array(4) { 252 [1]=> 253 int(-2) 254 ["value"]=> 255 int(-2) 256 [0]=> 257 int(1) 258 ["key"]=> 259 int(1) 260} 261array(4) { 262 [1]=> 263 int(-3) 264 ["value"]=> 265 int(-3) 266 [0]=> 267 int(2) 268 ["key"]=> 269 int(2) 270} 271array(4) { 272 [1]=> 273 int(6) 274 ["value"]=> 275 int(6) 276 [0]=> 277 int(3) 278 ["key"]=> 279 int(3) 280} 281array(4) { 282 [1]=> 283 int(7) 284 ["value"]=> 285 int(7) 286 [0]=> 287 int(4) 288 ["key"]=> 289 int(4) 290} 291array(4) { 292 [1]=> 293 int(8) 294 ["value"]=> 295 int(8) 296 [0]=> 297 int(5) 298 ["key"]=> 299 int(5) 300} 301bool(false) 302array(4) { 303 [1]=> 304 int(-1) 305 ["value"]=> 306 int(-1) 307 [0]=> 308 int(0) 309 ["key"]=> 310 int(0) 311} 312 313-- Iteration 5 -- 314array(4) { 315 [1]=> 316 string(1) "a" 317 ["value"]=> 318 string(1) "a" 319 [0]=> 320 int(0) 321 ["key"]=> 322 int(0) 323} 324array(4) { 325 [1]=> 326 string(2) "ab" 327 ["value"]=> 328 string(2) "ab" 329 [0]=> 330 int(1) 331 ["key"]=> 332 int(1) 333} 334array(4) { 335 [1]=> 336 string(3) "abc" 337 ["value"]=> 338 string(3) "abc" 339 [0]=> 340 int(2) 341 ["key"]=> 342 int(2) 343} 344array(4) { 345 [1]=> 346 string(4) "abcd" 347 ["value"]=> 348 string(4) "abcd" 349 [0]=> 350 int(3) 351 ["key"]=> 352 int(3) 353} 354bool(false) 355array(4) { 356 [1]=> 357 string(1) "a" 358 ["value"]=> 359 string(1) "a" 360 [0]=> 361 int(0) 362 ["key"]=> 363 int(0) 364} 365 366-- Iteration 6 -- 367array(4) { 368 [1]=> 369 string(3) "one" 370 ["value"]=> 371 string(3) "one" 372 [0]=> 373 int(1) 374 ["key"]=> 375 int(1) 376} 377array(4) { 378 [1]=> 379 string(3) "two" 380 ["value"]=> 381 string(3) "two" 382 [0]=> 383 int(2) 384 ["key"]=> 385 int(2) 386} 387array(4) { 388 [1]=> 389 string(5) "three" 390 ["value"]=> 391 string(5) "three" 392 [0]=> 393 int(3) 394 ["key"]=> 395 int(3) 396} 397array(4) { 398 [1]=> 399 string(4) "four" 400 ["value"]=> 401 string(4) "four" 402 [0]=> 403 int(4) 404 ["key"]=> 405 int(4) 406} 407bool(false) 408array(4) { 409 [1]=> 410 string(3) "one" 411 ["value"]=> 412 string(3) "one" 413 [0]=> 414 int(1) 415 ["key"]=> 416 int(1) 417} 418 419-- Iteration 7 -- 420array(4) { 421 [1]=> 422 int(1) 423 ["value"]=> 424 int(1) 425 [0]=> 426 string(3) "one" 427 ["key"]=> 428 string(3) "one" 429} 430array(4) { 431 [1]=> 432 int(2) 433 ["value"]=> 434 int(2) 435 [0]=> 436 string(3) "two" 437 ["key"]=> 438 string(3) "two" 439} 440array(4) { 441 [1]=> 442 string(5) "three" 443 ["value"]=> 444 string(5) "three" 445 [0]=> 446 int(3) 447 ["key"]=> 448 int(3) 449} 450array(4) { 451 [1]=> 452 int(4) 453 ["value"]=> 454 int(4) 455 [0]=> 456 int(4) 457 ["key"]=> 458 int(4) 459} 460array(4) { 461 [1]=> 462 NULL 463 ["value"]=> 464 NULL 465 [0]=> 466 string(0) "" 467 ["key"]=> 468 string(0) "" 469} 470array(4) { 471 [1]=> 472 int(6) 473 ["value"]=> 474 int(6) 475 [0]=> 476 string(2) " " 477 ["key"]=> 478 string(2) " " 479} 480array(4) { 481 [1]=> 482 string(1) "�" 483 ["value"]=> 484 string(1) "�" 485 [0]=> 486 string(1) "�" 487 ["key"]=> 488 string(1) "�" 489} 490array(4) { 491 [1]=> 492 bool(true) 493 ["value"]=> 494 bool(true) 495 [0]=> 496 int(1) 497 ["key"]=> 498 int(1) 499} 500array(4) { 501 [1]=> 502 bool(false) 503 ["value"]=> 504 bool(false) 505 [0]=> 506 int(0) 507 ["key"]=> 508 int(0) 509} 510bool(false) 511array(4) { 512 [1]=> 513 int(1) 514 ["value"]=> 515 int(1) 516 [0]=> 517 string(3) "one" 518 ["key"]=> 519 string(3) "one" 520} 521 522-- Iteration 8 -- 523array(4) { 524 [1]=> 525 string(5) "one.5" 526 ["value"]=> 527 string(5) "one.5" 528 [0]=> 529 string(3) "1.5" 530 ["key"]=> 531 string(3) "1.5" 532} 533array(4) { 534 [1]=> 535 string(11) "negative2.0" 536 ["value"]=> 537 string(11) "negative2.0" 538 [0]=> 539 string(4) "-2.0" 540 ["key"]=> 541 string(4) "-2.0" 542} 543bool(false) 544array(4) { 545 [1]=> 546 string(5) "one.5" 547 ["value"]=> 548 string(5) "one.5" 549 [0]=> 550 string(3) "1.5" 551 ["key"]=> 552 string(3) "1.5" 553} 554 555-- Iteration 9 -- 556array(4) { 557 [1]=> 558 string(9) "negative5" 559 ["value"]=> 560 string(9) "negative5" 561 [0]=> 562 int(-5) 563 ["key"]=> 564 int(-5) 565} 566array(4) { 567 [1]=> 568 string(11) "negative.05" 569 ["value"]=> 570 string(11) "negative.05" 571 [0]=> 572 int(0) 573 ["key"]=> 574 int(0) 575} 576bool(false) 577array(4) { 578 [1]=> 579 string(9) "negative5" 580 ["value"]=> 581 string(9) "negative5" 582 [0]=> 583 int(-5) 584 ["key"]=> 585 int(-5) 586} 587 588 589*** Testing each() : possible variations *** 590-- Testing each() with reset() function -- 591array(1) { 592 [0]=> 593 int(0) 594} 595array(4) { 596 [1]=> 597 array(1) { 598 [0]=> 599 int(0) 600 } 601 ["value"]=> 602 array(1) { 603 [0]=> 604 int(0) 605 } 606 [0]=> 607 int(0) 608 ["key"]=> 609 int(0) 610} 611array(4) { 612 [1]=> 613 int(1) 614 ["value"]=> 615 int(1) 616 [0]=> 617 int(0) 618 ["key"]=> 619 int(0) 620} 621-- Testing each() with resources -- 622array(4) { 623 [1]=> 624 resource(%d) of type (stream) 625 ["value"]=> 626 resource(%d) of type (stream) 627 [0]=> 628 string(4) "file" 629 ["key"]=> 630 string(4) "file" 631} 632array(4) { 633 [1]=> 634 resource(%d) of type (stream) 635 ["value"]=> 636 resource(%d) of type (stream) 637 [0]=> 638 string(3) "dir" 639 ["key"]=> 640 string(3) "dir" 641} 642-- Testing each with objects -- 643array(4) { 644 [1]=> 645 int(100) 646 ["value"]=> 647 int(100) 648 [0]=> 649 string(23) "�each_class�var_private" 650 ["key"]=> 651 string(23) "�each_class�var_private" 652} 653array(4) { 654 [1]=> 655 string(6) "string" 656 ["value"]=> 657 string(6) "string" 658 [0]=> 659 string(16) "�*�var_protected" 660 ["key"]=> 661 string(16) "�*�var_protected" 662} 663array(4) { 664 [1]=> 665 array(4) { 666 [0]=> 667 int(0) 668 [1]=> 669 int(1) 670 [2]=> 671 bool(true) 672 [3]=> 673 NULL 674 } 675 ["value"]=> 676 array(4) { 677 [0]=> 678 int(0) 679 [1]=> 680 int(1) 681 [2]=> 682 bool(true) 683 [3]=> 684 NULL 685 } 686 [0]=> 687 string(10) "var_public" 688 ["key"]=> 689 string(10) "var_public" 690} 691-- Testing each() with null array -- 692bool(false) 693 694*** Testing error conditions *** 695 696Warning: each() expects exactly 1 parameter, 0 given in %s on line %d 697NULL 698 699Warning: each() expects exactly 1 parameter, 2 given in %s on line %d 700NULL 701 702Warning: Variable passed to each() is not an array or object in %s on line %d 703NULL 704 705Warning: Variable passed to each() is not an array or object in %s on line %d 706NULL 707 708Warning: Variable passed to each() is not an array or object in %s on line %d 709NULL 710Done 711
