Annotation of embedaddon/php/ext/standard/tests/array/009.phpt, revision 1.1.1.2
1.1 misho 1: --TEST--
2: Test key(), current(), next() & reset() functions
3: --FILE--
4: <?php
5: /* Prototype & Usage:
6: mixed key ( array &$array ) -> returns the index element of the current array position
7: mixed current ( array &$array ) -> returns the current element in the array
8: mixed next ( array &$array ) -> similar to current() but advances the internal pointer to next element
9: mixed reset ( array &$array ) -> Reset the internal pointer to first element
10: */
11:
12: $basic_arrays = array (
13: array(0), // array with element as 0
14: array(1), // array with single element
15: array(1,2, 3, -1, -2, -3), // array of integers
16: array(1.1, 2.2, 3.3, -1.1, -2.2, -3.3), // array of floats
17: array('a', 'b', 'c', "ab", "ac", "ad"), // string array
18: array("a" => "apple", "b" => "book", "c" => "cook"), // associative array
19: array('d' => 'drink', 'p' => 'port', 's' => 'set'), // another associative array
20: array(1 => 'One', 2 => 'two', 3 => "three") // associative array with key as integers
21: );
22:
23: $varient_arrays = array (
24: array(), // empty array
25: array(""), // array with null string
26: array(NULL),// array with NULL
27: array(null),// array with null
28: array(NULL, true, null, "", 1), // mixed array
29: array(-1.5 => "test", -2 => "rest", 2.5 => "two",
30: "" => "string", 0 => "zero", "" => "" ) // mixed array
31: );
32:
33: echo "*** Testing basic operations ***\n";
34: $loop_count = 1;
35: foreach ($basic_arrays as $sub_array ) {
36: echo "-- Iteration $loop_count --\n";
37: $loop_count++;
38: $c = count ($sub_array);
39: $c++; // increment by one to create the situation of accessing beyond array size
40: while ( $c ) {
41: var_dump( current($sub_array)); // current element
42: var_dump( key($sub_array) ); // key of the current element
43: var_dump( next($sub_array) ); // move to next element
44: $c --;
45: }
46: var_dump( reset($sub_array) ); // reset the internal pointer to first element
47: var_dump( key($sub_array) ); // access the array after reset
48: var_dump( $sub_array ); // dump the array to see that its intact
49:
50: echo "\n";
51: }
52:
53: echo "\n*** Testing possible variations ***\n";
54: $loop_count = 1;
55: foreach ($varient_arrays as $sub_array ) {
56: echo "-- Iteration $loop_count --\n";
57: $loop_count++;
58: $c = count ($sub_array);
59: $c++; // increment by one to create the situation of accessing beyond array size
60: while ( $c ) {
61: var_dump( current($sub_array)); // current element
62: var_dump( key($sub_array) ); // key of the current element
63: var_dump( next($sub_array) ); // move to next element
64: $c --;
65: }
66: var_dump( reset($sub_array) ); // reset the internal pointer to first element
67: var_dump( key($sub_array) ); // access the array after reset
68: var_dump( $sub_array ); // dump the array to see that its intact
69: echo "\n";
70: }
71:
72: /*test these functions on array which is already unset */
73: echo "\n-- Testing variation: when array is unset --\n";
74: $unset_array = array (1);
75: unset($unset_array);
76:
77: var_dump( current($unset_array) );
78: var_dump( key($unset_array) );
79: var_dump( next($unset_array) );
80: var_dump( reset($unset_array) );
81:
82:
83: echo "\n*** Testing error conditions ***\n";
84: //Zero argument, expected 1 argument
85: var_dump( key() );
86: var_dump( current() );
87: var_dump( reset() );
88: var_dump( next() );
89:
90: // args more than expected, expected 1 argument
91: $temp_array = array(1);
92: var_dump( key($temp_array, $temp_array) );
93: var_dump( current($temp_array, $temp_array) );
94: var_dump( reset($temp_array, $temp_array) );
95: var_dump( next($temp_array, $temp_array) );
96:
1.1.1.2 ! misho 97: // invalid args type, valid argument: array
1.1 misho 98: $int_var = 1;
99: $float_var = 1.5;
100: $string = "string";
101: var_dump( key($int_var) );
102: var_dump( key($float_var) );
103: var_dump( key($string) );
104:
105: var_dump( current($int_var) );
106: var_dump( current($float_var) );
107: var_dump( current($string) );
108:
109: var_dump( next($int_var) );
110: var_dump( next($float_var) );
111: var_dump( next($string) );
112:
113: var_dump( reset($int_var) );
114: var_dump( reset($float_var) );
115: var_dump( reset($string) );
116:
117: echo "Done\n";
118: ?>
119: --EXPECTF--
120: *** Testing basic operations ***
121: -- Iteration 1 --
122: int(0)
123: int(0)
124: bool(false)
125: bool(false)
126: NULL
127: bool(false)
128: int(0)
129: int(0)
130: array(1) {
131: [0]=>
132: int(0)
133: }
134:
135: -- Iteration 2 --
136: int(1)
137: int(0)
138: bool(false)
139: bool(false)
140: NULL
141: bool(false)
142: int(1)
143: int(0)
144: array(1) {
145: [0]=>
146: int(1)
147: }
148:
149: -- Iteration 3 --
150: int(1)
151: int(0)
152: int(2)
153: int(2)
154: int(1)
155: int(3)
156: int(3)
157: int(2)
158: int(-1)
159: int(-1)
160: int(3)
161: int(-2)
162: int(-2)
163: int(4)
164: int(-3)
165: int(-3)
166: int(5)
167: bool(false)
168: bool(false)
169: NULL
170: bool(false)
171: int(1)
172: int(0)
173: array(6) {
174: [0]=>
175: int(1)
176: [1]=>
177: int(2)
178: [2]=>
179: int(3)
180: [3]=>
181: int(-1)
182: [4]=>
183: int(-2)
184: [5]=>
185: int(-3)
186: }
187:
188: -- Iteration 4 --
189: float(1.1)
190: int(0)
191: float(2.2)
192: float(2.2)
193: int(1)
194: float(3.3)
195: float(3.3)
196: int(2)
197: float(-1.1)
198: float(-1.1)
199: int(3)
200: float(-2.2)
201: float(-2.2)
202: int(4)
203: float(-3.3)
204: float(-3.3)
205: int(5)
206: bool(false)
207: bool(false)
208: NULL
209: bool(false)
210: float(1.1)
211: int(0)
212: array(6) {
213: [0]=>
214: float(1.1)
215: [1]=>
216: float(2.2)
217: [2]=>
218: float(3.3)
219: [3]=>
220: float(-1.1)
221: [4]=>
222: float(-2.2)
223: [5]=>
224: float(-3.3)
225: }
226:
227: -- Iteration 5 --
228: string(1) "a"
229: int(0)
230: string(1) "b"
231: string(1) "b"
232: int(1)
233: string(1) "c"
234: string(1) "c"
235: int(2)
236: string(2) "ab"
237: string(2) "ab"
238: int(3)
239: string(2) "ac"
240: string(2) "ac"
241: int(4)
242: string(2) "ad"
243: string(2) "ad"
244: int(5)
245: bool(false)
246: bool(false)
247: NULL
248: bool(false)
249: string(1) "a"
250: int(0)
251: array(6) {
252: [0]=>
253: string(1) "a"
254: [1]=>
255: string(1) "b"
256: [2]=>
257: string(1) "c"
258: [3]=>
259: string(2) "ab"
260: [4]=>
261: string(2) "ac"
262: [5]=>
263: string(2) "ad"
264: }
265:
266: -- Iteration 6 --
267: string(5) "apple"
268: string(1) "a"
269: string(4) "book"
270: string(4) "book"
271: string(1) "b"
272: string(4) "cook"
273: string(4) "cook"
274: string(1) "c"
275: bool(false)
276: bool(false)
277: NULL
278: bool(false)
279: string(5) "apple"
280: string(1) "a"
281: array(3) {
282: ["a"]=>
283: string(5) "apple"
284: ["b"]=>
285: string(4) "book"
286: ["c"]=>
287: string(4) "cook"
288: }
289:
290: -- Iteration 7 --
291: string(5) "drink"
292: string(1) "d"
293: string(4) "port"
294: string(4) "port"
295: string(1) "p"
296: string(3) "set"
297: string(3) "set"
298: string(1) "s"
299: bool(false)
300: bool(false)
301: NULL
302: bool(false)
303: string(5) "drink"
304: string(1) "d"
305: array(3) {
306: ["d"]=>
307: string(5) "drink"
308: ["p"]=>
309: string(4) "port"
310: ["s"]=>
311: string(3) "set"
312: }
313:
314: -- Iteration 8 --
315: string(3) "One"
316: int(1)
317: string(3) "two"
318: string(3) "two"
319: int(2)
320: string(5) "three"
321: string(5) "three"
322: int(3)
323: bool(false)
324: bool(false)
325: NULL
326: bool(false)
327: string(3) "One"
328: int(1)
329: array(3) {
330: [1]=>
331: string(3) "One"
332: [2]=>
333: string(3) "two"
334: [3]=>
335: string(5) "three"
336: }
337:
338:
339: *** Testing possible variations ***
340: -- Iteration 1 --
341: bool(false)
342: NULL
343: bool(false)
344: bool(false)
345: NULL
346: array(0) {
347: }
348:
349: -- Iteration 2 --
350: string(0) ""
351: int(0)
352: bool(false)
353: bool(false)
354: NULL
355: bool(false)
356: string(0) ""
357: int(0)
358: array(1) {
359: [0]=>
360: string(0) ""
361: }
362:
363: -- Iteration 3 --
364: NULL
365: int(0)
366: bool(false)
367: bool(false)
368: NULL
369: bool(false)
370: NULL
371: int(0)
372: array(1) {
373: [0]=>
374: NULL
375: }
376:
377: -- Iteration 4 --
378: NULL
379: int(0)
380: bool(false)
381: bool(false)
382: NULL
383: bool(false)
384: NULL
385: int(0)
386: array(1) {
387: [0]=>
388: NULL
389: }
390:
391: -- Iteration 5 --
392: NULL
393: int(0)
394: bool(true)
395: bool(true)
396: int(1)
397: NULL
398: NULL
399: int(2)
400: string(0) ""
401: string(0) ""
402: int(3)
403: int(1)
404: int(1)
405: int(4)
406: bool(false)
407: bool(false)
408: NULL
409: bool(false)
410: NULL
411: int(0)
412: array(5) {
413: [0]=>
414: NULL
415: [1]=>
416: bool(true)
417: [2]=>
418: NULL
419: [3]=>
420: string(0) ""
421: [4]=>
422: int(1)
423: }
424:
425: -- Iteration 6 --
426: string(4) "test"
427: int(-1)
428: string(4) "rest"
429: string(4) "rest"
430: int(-2)
431: string(3) "two"
432: string(3) "two"
433: int(2)
434: string(0) ""
435: string(0) ""
436: string(0) ""
437: string(4) "zero"
438: string(4) "zero"
439: int(0)
440: bool(false)
441: bool(false)
442: NULL
443: bool(false)
444: string(4) "test"
445: int(-1)
446: array(5) {
447: [-1]=>
448: string(4) "test"
449: [-2]=>
450: string(4) "rest"
451: [2]=>
452: string(3) "two"
453: [""]=>
454: string(0) ""
455: [0]=>
456: string(4) "zero"
457: }
458:
459:
460: -- Testing variation: when array is unset --
461:
462: Warning: current() expects parameter 1 to be array, null given in %s on line %d
463: NULL
464:
465: Warning: key() expects parameter 1 to be array, null given in %s on line %d
466: NULL
467:
468: Warning: next() expects parameter 1 to be array, null given in %s on line %d
469: NULL
470:
471: Warning: reset() expects parameter 1 to be array, null given in %s on line %d
472: NULL
473:
474: *** Testing error conditions ***
475:
476: Warning: key() expects exactly 1 parameter, 0 given in %s on line %d
477: NULL
478:
479: Warning: current() expects exactly 1 parameter, 0 given in %s on line %d
480: NULL
481:
482: Warning: reset() expects exactly 1 parameter, 0 given in %s on line %d
483: NULL
484:
485: Warning: next() expects exactly 1 parameter, 0 given in %s on line %d
486: NULL
487:
488: Warning: key() expects exactly 1 parameter, 2 given in %s on line %d
489: NULL
490:
491: Warning: current() expects exactly 1 parameter, 2 given in %s on line %d
492: NULL
493:
494: Warning: reset() expects exactly 1 parameter, 2 given in %s on line %d
495: NULL
496:
497: Warning: next() expects exactly 1 parameter, 2 given in %s on line %d
498: NULL
499:
500: Warning: key() expects parameter 1 to be array, integer given in %s on line %d
501: NULL
502:
503: Warning: key() expects parameter 1 to be array, double given in %s on line %d
504: NULL
505:
506: Warning: key() expects parameter 1 to be array, string given in %s on line %d
507: NULL
508:
509: Warning: current() expects parameter 1 to be array, integer given in %s on line %d
510: NULL
511:
512: Warning: current() expects parameter 1 to be array, double given in %s on line %d
513: NULL
514:
515: Warning: current() expects parameter 1 to be array, string given in %s on line %d
516: NULL
517:
518: Warning: next() expects parameter 1 to be array, integer given in %s on line %d
519: NULL
520:
521: Warning: next() expects parameter 1 to be array, double given in %s on line %d
522: NULL
523:
524: Warning: next() expects parameter 1 to be array, string given in %s on line %d
525: NULL
526:
527: Warning: reset() expects parameter 1 to be array, integer given in %s on line %d
528: NULL
529:
530: Warning: reset() expects parameter 1 to be array, double given in %s on line %d
531: NULL
532:
533: Warning: reset() expects parameter 1 to be array, string given in %s on line %d
534: NULL
535: Done
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