Answer: Option C
Explanation:
Like many programming languages, the first element of an array has an index value of 0.
Answer: Option C
Explanation:
sort() function is used to sort in ascending order where as rsort() meaning reverse sort is used for sorting in descending order.
Answer: Option A
Explanation:
A variable name should start with $ symbol which is not present in i) and you need not put the square brackets when you use the array() constructor.
< ?php
$fruits = array ("mango", "apple", "pear", "peach");
$fruits = array_flip($fruits);
echo ($fruits[0]);
?>
Answer: Option B
Explanation:
As we are flipping the values, $fruits["mango"] = 0, $fruits["apple"] = 1 and so on.
< ?php
$states = array("karnataka" => array
( "population" => "11,35,000", "captial" => "Bangalore"),
"Tamil Nadu" => array( "population" => "17,90,000",
"captial" => "Chennai") );
echo $states["karnataka"]["population"];
?>
Answer: Option B
Explanation:
Treat states as a multidimensional array and accordingly traverse it to get the value.