3282 Views
1. array_change_key_case :-
It changes all the keys of an array in uppercase.
<?php
$employee_id=array("Jim"=>"40535","Krish"=>"83007","Joe"=>"41233");
print_r(array_change_key_case($employee_id,CASE_UPPER));
?>
Output
Array ( [JIM] => 40535 [KRISH] ...
Anamika Gupta
Jul 23, 2018
2438 Views
Function play an important role in programming language as it organise our code in a proper manner. We can use our code over and over by naming it only. The function works very similar to variable, but they are more powerful than that.
Function Syntax
<?php
function functionName() {
// ...
Anamika Gupta
Jul 10, 2018