PHP Array Functions List 2024 with Description

Explore the PHP Array functions list, complete with descriptions, to discover a range of built-in functions tailored for working with PHP arrays. These functions are integral to the PHP core, requiring no additional installation for utilization. 

Some frequently employed array functions in PHP include count(), array_push(), array_pop(), array_slice(), array_merge(), array_reverse(), and more. These functions provide the capability to access and manipulate arrays. PHP supports both simple and multi-dimensional arrays, offering versatility in array handling within the language.

PHP Array Functions List
 

PHP Functions List – Check Names of Built In Functions 

SR. No. Function Description
1 array_change_key_case() Changes all keys in an array to lowercase or uppercase
2 array_chunk() Splits an array into chunks of arrays
3 array_column() Returns the values from a single column in the input array
4 array_combine() Creates an array by using the elements from one “keys” array and one “values” array
5 array_count_values() Counts all the values of an array
6 array_diff_assoc() Compare arrays, and returns the differences (compare keys and values)
7 array_diff_key() Compare arrays, and returns the differences (compare keys only)
8 array_diff_uassoc() Compare arrays, and returns the differences (compare keys and values, using a user-defined key comparison function)
9 array_diff_ukey() Compare arrays, and returns the differences (compare keys only, using a user-defined key comparison function)
10 array_diff() Compare arrays, and returns the differences (compare values only)
11 array_fill_keys() Fills an array with values, specifying keys
12 array_fill() Fills an array with values
13 array_filter() Filters the values of an array using a callback function
14 array_flip() Flips/Exchanges all keys with their associated values in an array
15 array_intersect_assoc() Compare arrays and returns the matches (compare keys and values)
16 array_intersect_key() Compare arrays, and returns the matches (compare keys only)
17 array_intersect_uassoc() Compare arrays, and returns the matches (compare keys and values, using a user-defined key comparison function)
18 array_intersect_ukey() Compare arrays, and returns the matches (compare keys only, using a user-defined key comparison function)
19 array_intersect() Compare arrays, and returns the matches (compare values only)
20 array_key_exists() Checks if the specified key exists in the array
21 array_keys() Returns all the keys of an array
22 array_map() Sends each value of an array to a user-made function, which returns new values
23 array_merge_recursive() Merges one or more arrays into one array recursively
24 array_merge() Merges one or more arrays into one array
25 array_multisort() Sorts multiple or multi-dimensional arrays
26 array_pad() Inserts a specified number of items, with a specified value, to an array
27 array_pop() Deletes the last element of an array
28 array_product() Calculates the product of the values in an array
29 array_push() Inserts one or more elements to the end of an array
30 array_rand() Returns one or more random keys from an array
31 array_reduce() Returns an array as a string, using a user-defined function
32 array_replace_recursive() Replaces the values of the first array with the values from following arrays recursively
33 array_replace() Replaces the values of the first array with the values from following arrays
34 array_reverse() Returns an array in the reverse order
35 array_search() Searches an array for a given value and returns the key
36 array_shift() Removes the first element from an array, and returns the value of the removed element
37 array_slice() Returns selected parts of an array
38 array_splice() Removes and replaces specified elements of an array
39 array_sum() Returns the sum of the values in an array
40 array_udiff_assoc() Compare arrays, and returns the differences (compare keys and values, using a built-in function to compare the keys and a user-defined function to compare the values)
41 array_udiff_uassoc() Compare arrays, and returns the differences (compare keys and values, using two user-defined key comparison functions)
42 array_udiff() Compare arrays, and returns the differences (compare values only, using a user-defined key comparison function)
43 array_uintersect_assoc() Compare arrays, and returns the matches (compare keys and values, using a built-in function to compare the keys and a user-defined function to compare the values)
44 array_uintersect_uassoc() Compare arrays, and returns the matches (compare keys and values, using two user-defined key comparison functions)
45 array_uintersect() Compare arrays, and returns the matches (compare values only, using a user-defined key comparison function)
46 array_unique() Removes duplicate values from an array
47 array_unshift() Adds one or more elements to the beginning of an array
48 array_values() Returns all the values of an array
49 array_walk_recursive() Applies a user function recursively to every member of an array
50 array_walk() Applies a user function to every member of an array
51 array() Creates an array
52 arsort() Sorts an associative array in descending order, according to the value
53 asort() Sorts an associative array in ascending order, according to the value
54 compact() Create array containing variables and their values
55 count() Returns the number of elements in an array
56 current() Returns the current element in an array
57 each() Deprecated from PHP 7.2. Returns the current key and value pair from an array
58 end() Sets the internal pointer of an array to its last element
59 extract() Imports variables into the current symbol table from an array
60 in_array() Checks if a specified value exists in an array
61 key() Fetches a key from an array
62 krsort() Sorts an associative array in descending order, according to the key
63 ksort() Sorts an associative array in ascending order, according to the key
64 list() Assigns variables as if they were an array
65 natcasesort() Sorts an array using a case insensitive “natural order” algorithm
66 natsort() Sorts an array using a “natural order” algorithm
67 next() Advance the internal array pointer of an array
68 pos() Alias of current()
69 prev() Rewinds the internal array pointer
70 range() Creates an array containing a range of elements
71 reset() Sets the internal pointer of an array to its first element
72 rsort() Sorts an indexed array in descending order
73 shuffle() Shuffles an array
74 sizeof() Alias of count()
75 sort() Sorts an indexed array in ascending order
76 uasort() Sorts an array by values using a user-defined comparison function and maintains the index association
77 uksort() Sorts an array by keys using a user-defined comparison function
78 usort() Sorts an array by values using a user-defined comparison function

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