array_slice_variation6.phpt 2.2 KB

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  1. --TEST--
  2. Test array_slice() function : usage variations - pass different int values as $length arg
  3. --FILE--
  4. <?php
  5. /* Prototype : array array_slice(array $input, int $offset [, int $length [, bool $preserve_keys]])
  6. * Description: Returns elements specified by offset and length
  7. * Source code: ext/standard/array.c
  8. */
  9. /*
  10. * Pass different integer values as $length argument to array_slice() to test behaviour
  11. */
  12. echo "*** Testing array_slice() : usage variations ***\n";
  13. $input = array ('one' => 1, 2 => 'two', 'three', 9 => 'nine', 'ten' => 10);
  14. $offset = 1;
  15. for ($i = -6; $i <= 6; $i++) {
  16. echo "\n-- \$length is $i --\n";
  17. var_dump(array_slice($input, $offset, $i));
  18. }
  19. echo "\n-- \$length is maximum integer value --\n";
  20. var_dump(array_slice($input, $offset, PHP_INT_MAX));
  21. echo "\n-- \$length is minimum integer value --\n";
  22. var_dump(array_slice($input, $offset, -PHP_INT_MAX));
  23. echo "Done";
  24. ?>
  25. --EXPECT--
  26. *** Testing array_slice() : usage variations ***
  27. -- $length is -6 --
  28. array(0) {
  29. }
  30. -- $length is -5 --
  31. array(0) {
  32. }
  33. -- $length is -4 --
  34. array(0) {
  35. }
  36. -- $length is -3 --
  37. array(1) {
  38. [0]=>
  39. string(3) "two"
  40. }
  41. -- $length is -2 --
  42. array(2) {
  43. [0]=>
  44. string(3) "two"
  45. [1]=>
  46. string(5) "three"
  47. }
  48. -- $length is -1 --
  49. array(3) {
  50. [0]=>
  51. string(3) "two"
  52. [1]=>
  53. string(5) "three"
  54. [2]=>
  55. string(4) "nine"
  56. }
  57. -- $length is 0 --
  58. array(0) {
  59. }
  60. -- $length is 1 --
  61. array(1) {
  62. [0]=>
  63. string(3) "two"
  64. }
  65. -- $length is 2 --
  66. array(2) {
  67. [0]=>
  68. string(3) "two"
  69. [1]=>
  70. string(5) "three"
  71. }
  72. -- $length is 3 --
  73. array(3) {
  74. [0]=>
  75. string(3) "two"
  76. [1]=>
  77. string(5) "three"
  78. [2]=>
  79. string(4) "nine"
  80. }
  81. -- $length is 4 --
  82. array(4) {
  83. [0]=>
  84. string(3) "two"
  85. [1]=>
  86. string(5) "three"
  87. [2]=>
  88. string(4) "nine"
  89. ["ten"]=>
  90. int(10)
  91. }
  92. -- $length is 5 --
  93. array(4) {
  94. [0]=>
  95. string(3) "two"
  96. [1]=>
  97. string(5) "three"
  98. [2]=>
  99. string(4) "nine"
  100. ["ten"]=>
  101. int(10)
  102. }
  103. -- $length is 6 --
  104. array(4) {
  105. [0]=>
  106. string(3) "two"
  107. [1]=>
  108. string(5) "three"
  109. [2]=>
  110. string(4) "nine"
  111. ["ten"]=>
  112. int(10)
  113. }
  114. -- $length is maximum integer value --
  115. array(4) {
  116. [0]=>
  117. string(3) "two"
  118. [1]=>
  119. string(5) "three"
  120. [2]=>
  121. string(4) "nine"
  122. ["ten"]=>
  123. int(10)
  124. }
  125. -- $length is minimum integer value --
  126. array(0) {
  127. }
  128. Done