PHP array functions explained.

PHP array functions.

1. array_change_key_case  -  Changes the case of all keys in an array and not of the values of the array.

Example:

<?php 

$input_array = array("Key1" => 1, "Key2" => 2);

print_r(array_change_key_case($input_array, CASE_UPPER));

?>

Here, in an output ,Key1 and Key2 will be change to KEY1 and KEY2.

2.array_chunk - Split an array into chunks.It will divide the array according to argument value that will be pass in this function.

Example1:

<?php

$chunk_array=array("a","b","c","d","e");

print_r(array_chunk($chunk_array,3));

?>

Example2:

<?php

$chunk_array=array("a","b","c","d","e");

print_r(array_chunk($chunk_array,3,true));

?>