➤ Using

intval()

function. • To convert string to integer using PHP built-in function, intval(), provide the string as argument to the function. The function will return the integer value corresponding to the string content.

$number_str = "10";
$int_number = intval($number_str);
echo gettype($int_number); // outputs:  integer

➤ Using explicit Casting. • To convert string to integer using Type Casting, provide the literal (int) along with parenthesis before the string literal. The expression returns integer value of the string.

$str = 10;
$number = (int)$str;
echo gettype($number); // outputs:  integer