php sort function: krsort()

 

$arr = array( a=>'bike', b=>'van', c=>'car', d=>'plane');
   krsort($arr);
   print_r($arr);

Output:-

Array ( [d] => plane [c] => car [b] => van [a] => bike )

Description:-

The krsort() function sorts an array according to their key in reverse order and the value keeps their original key.

Syntax:-

krsort ( $array, $sort_flag );

Parameter:-

1. Array(required):- It specifies an array.

2.sort_flag(Optional):- It specifies how to sort the array values. Possible values −

• SORT_REGULAR − Default. Treat values as they are (don't change types)
• SORT_NUMERIC − Treat values numerically
• SORT_STRING − Treat values as strings
• SORT_LOCALE_STRING − Treat values as strings, based on local settings

Return:- It returns boolean (TRUE or FALSE).