PHP: Array Related Functions

1. array_change_key_case — Changes all keys in an array
2. array_chunk — Split an array into chunks
3. array_combine — Creates an array by using one array for keys and another for its values
4. array_count_values — Counts all the values of an array
5. array_diff_assoc — Computes the difference of arrays with additional index check
6. array_diff_key — Computes the difference of arrays using keys for comparison
7. array_diff_uassoc — Computes the difference of arrays with additional index check which is performed by a user supplied callback function
8. array_diff_ukey — Computes the difference of arrays using a callback function on the keys for comparison
9. array_diff — Computes the difference of arrays
10. array_fill_keys — Fill an array with values, specifying keys
11. array_fill — Fill an array with values
12. array_filter — Filters elements of an array using a callback function
13. array_flip — Exchanges all keys with their associated values in an array
14. array_intersect_assoc — Computes the intersection of arrays with additional index check
15. array_intersect_key — Computes the intersection of arrays using keys for comparison
16. array_intersect_uassoc — Computes the intersection of arrays with additional index check, compares indexes by a callback function
17. array_intersect_ukey — Computes the intersection of arrays using a callback function on the keys for comparison
18. array_intersect — Computes the intersection of arrays
19. array_key_exists — Checks if the given key or index exists in the array
20. array_keys — Return all the keys or a subset of the keys of an array
21. array_map — Applies the callback to the elements of the given arrays
22. array_merge_recursive — Merge two or more arrays recursively
23. array_merge — Merge one or more arrays
24. array_multisort — Sort multiple or multi-dimensional arrays
25. array_pad — Pad array to the specified length with a value
26. array_pop — Pop the element off the end of array
27. array_product — Calculate the product of values in an array
28. array_push — Push one or more elements onto the end of array
29. array_rand — Pick one or more random entries out of an array
30. array_reduce — Iteratively reduce the array to a single value using a callback function
31. array_replace_recursive — Replaces elements from passed arrays into the first array recursively
32. array_replace — Replaces elements from passed arrays into the first array
33. array_reverse — Return an array with elements in reverse order
34. array_search — Searches the array for a given value and returns the corresponding key if successful
35. array_shift — Shift an element off the beginning of array
36. array_slice — Extract a slice of the array
37. array_splice — Remove a portion of the array and replace it with something else
38. array_sum — Calculate the sum of values in an array
39. array_udiff_assoc — Computes the difference of arrays with additional index check, compares data by a callback function
40. array_udiff_uassoc — Computes the difference of arrays with additional index check, compares data and indexes by a callback function
41. array_udiff — Computes the difference of arrays by using a callback function for data comparison
42. array_uintersect_assoc — Computes the intersection of arrays with additional index check, compares data by a callback function
43. array_uintersect_uassoc — Computes the intersection of arrays with additional index check, compares data and indexes by a callback functions
44. array_uintersect — Computes the intersection of arrays, compares data by a callback function
45. array_unique — Removes duplicate values from an array
46. array_unshift — Prepend one or more elements to the beginning of an array
47. array_values — Return all the values of an array
48. array_walk_recursive — Apply a user function recursively to every member of an array
49. array_walk — Apply a user function to every member of an array
50. array — Create an array
51. arsort — Sort an array in reverse order and maintain index association
52. asort — Sort an array and maintain index association
53. compact — Create array containing variables and their values
54. count — Count all elements in an array, or properties in an object
55. current — Return the current element in an array
56. each — Return the current key and value pair from an array and advance the array cursor
57. end — Set the internal pointer of an array to its last element
58. extract — Import variables into the current symbol table from an array
59. in_array — Checks if a value exists in an array
60. key — Fetch a key from an array
61. krsort — Sort an array by key in reverse order
62. ksort — Sort an array by key
63. list — Assign variables as if they were an array
64. natcasesort — Sort an array using a case insensitive "natural order" algorithm
65. natsort — Sort an array using a "natural order" algorithm
66. next — Advance the internal array pointer of an array
67. pos — Alias of current
68. prev — Rewind the internal array pointer
69. range — Create an array containing a range of elements
70. reset — Set the internal pointer of an array to its first element
71. rsort — Sort an array in reverse order
72. shuffle — Shuffle an array
73. sizeof — Alias of count
74. sort — Sort an array
75. uasort — Sort an array with a user-defined comparison function and maintain index association
76. uksort — Sort an array by keys using a user-defined comparison function
77. usort — Sort an array by values using a user-defined comparison function