Question

I have an array, for example

$arr=array(
    "foo" => "fooval",
    "boo" => "booval",
    "roo" => "rooval",
);

and then I want to print all elements in pattern “key is value”. This code should do the job:

foreach($arr as $key => $val)
    echo $key." is ".$val;

Will I get this?

foo is fooval
boo is booval
roo is rooval

I mean the order. Is it guaranteed that it will execute in same order as the array was given, or the arrays are sorted somehow?

Thanks for any answers.

Answer 1

arrays are ordered list of values and thier orders do not need to be sorted. It follows a sequence

FROM PHP DOC

An array in PHP is actually an ordered map. A map is a type that associates values to keys. This type is optimized for several different uses; it can be treated as an array, list (vector), hash table (an implementation of a map), dictionary, collection, stack, queue, and probably more. As array values can be other arrays, trees and multidimensional arrays are also possible.