PHP Array Programs

Last Updated : 23 Jul, 2025

PHP Arrays is a type of data structure that allows us to store multiple elements of similar data type under a single variable thereby saving us the effort of creating a different variable for every data.

S. No	Articles
1	PHP Program to Insert a New Element in an Array
2	PHP Program to Find the Index of an Element in an Array
3	PHP Program to Display Array Structure and Values
4	PHP Program to Print all Values of an Array
5	PHP Program to Find the Maximum and Minimum in an Array
6	PHP Program to Get Second Highest Number in an Array
7	PHP Program to Removing Array Element and Re-Indexing
8	PHP Program to Check if Two Arrays Contain Same Elements
9	PHP Program to Merging Two or More Arrays using array_merge() Function
10	PHP Program to Search by Multiple key => value in an Array
11	PHP Program to Search by key=>value in a Multidimensional Array
12	PHP Program to Sort Array of Objects by Object Fields
13	PHP Program to Sort an Array of Dates
14	PHP Program to Sort an Array of Associative Arrays by Value of a Given Key
15	PHP Program to Merge the First Index of an Array with the First Index of Second
16	PHP Program to Insert an Item at the Beginning of an Array
17	PHP Program to Merge the Duplicate Value in Multidimensional Array
18	PHP Program to Merge Two Arrays Keeping Original Keys
19	PHP Program to Insert New Item in an Array on Any Position
20	PHP Program to Remove Duplicate Values from Array
21	PHP Program to Check an Array is Multidimensional or Not
22	PHP Program to Find the Standard Deviation of an Array
23	PHP Program to Delete an Element From an Array
24	PHP Program to Remove Duplicate Elements from Array
25	PHP Program to Change Strings in an Array to Uppercase
26	PHP Program to Count All Array Elements
27	PHP Program to Check a Key Exists in an Array
28	PHP Program to Sort Array of Strings in Natural and Standard Orders
29	PHP Program to Find Intersection of Two Arrays
30	PHP Program to Perform Array Delete by Value Not Key
31	PHP Program to Convert Multidimensional Array to XML File
32	PHP Program to Find Second Most Frequent Element in an Array
33	PHP Program to Find Missing Element(s) from an Array
34	PHP Program to Get Elements in Reverse Order of an Array
35	PHP Program to Check an Element Exists in Array or Not
36	PHP Program to Print the Last Value of an Array without Affecting the Pointer
37	PHP Program to Split Array into Specific Number of Chunks
38	PHP Program to Change Array Key to Lowercase
39	PHP Program to Get the First Element of an Array
40	PHP Program to Pass a PHP Array to a JavaScript Function
41	PHP Program to Check a Variable is an Array or Not
42	PHP Program to Check an Array is Associative or Sequential
43	PHP Program to Get Random Value Out of an Array
44	PHP Program to Bind an Array to an IN() Condition
45	PHP Program to Get Total Number of Elements used in Array
46	PHP Program to Get Specific Key Value from an Array
47	PHP Program to Find Third Largest Element in an Array of Distinct Elements
48	PHP Program to Create an Array with Key Value Pairs
49	PHP Program For Sorting An Array Of 0s, 1s and 2s
50	PHP Program to Convert an Object to Associative Array
51	PHP Program to Best Way to Initialize Empty Array
52	PHP Program to Put String in Array and Split by New Line
53	PHP Program to Take User Input for Two Dimensional (2D) Array
54	PHP Program to Convert Array Values to Lowercase
55	PHP Program to Delete an Array Element Based on Key
56	PHP Program to Determine if an Array Contains a Specific Value
57	PHP Program for Check if an Array is Sorted and Rotated
58	PHP Program to Print All Triplets in Sorted Array that Form AP
59	PHP Program for Reversal Algorithm of Array Rotation
60	PHP Program to Create Comma Separated List from an Array
61	PHP Program to Find Lost Element from a Duplicated Array
62	PHP Program to Find a Pair with the Given Difference
63	PHP Program for Median of Two Sorted Arrays of Same Size
64	PHP Program for Number of Local Extrema in an Array
65	PHP Program to Extract Extension from a Filename
66	PHP Program for Products of Ranges in an Array
67	PHP Program to Return All Dates between Two Dates in an Array
68	PHP Program for Mean of Range in an Array
69	PHP Program to Find Closest Number in an Array
70	PHP Program for Multidimensional Arrays
71	PHP Program to Print Associative Arrays
72	PHP Program to Multidimensional Associative Array

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