Examples of PHP array functions

The concept of arrays

Array is a very important concept in PHP, we can think of arrays as a set of similar data, in fact the array is an ordered graph.

PHP also provides more than 70 built-in functions to manipulate arrays.

Since arrays are important and difficult to master in PHP, this section will use an example to explain one by one.

1. PHP Array Basic Operations
2. PHP print_r with var_dump output array
3. PHP Is_array () detects if a variable is an array
4. PHP array traversal foreach syntax structure
5. The Count function of the PHP array
6. PHP checks if there is a value in the array In_array function
7. PHP array_key_exists Check if the key name or index exists in the array
8. PHP searches the array for the given value Array_search function
9. The PHP list () assigns the values in the array to the variable
10. PHP array sorting sort, Asort, and Ksort series functions
11. PHP sorting multiple arrays or multidimensional arrays Array_multisort function
12. PHP disrupts array Shuffle function

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Examples of PHP array functions