Syntax:mixed SplFixedArray::offsetExists ($index)
Parameters: This function takes one parameter, $index,which indicates the requested offset.Return Value:This function returns the offset of the array.The programs below illustrate the function SplFixedArray::offsetExists()in PHP:Program 1:
// Create an array fixed size
$gfg
=
new
SplFixedArray (6);
$gfg
[0] = 1;
$gfg
[1] = 5;
$gfg
[2] = 10;
// Check if the index exists or not
var_dump (
$gfg
-> offsetGet (2));
?>
Exit:int (10 )
Program 2:
// Create some fixed size array
$gfg
=
new
SplFixedArray (6);
$gfg
[0] = 1;
$gfg
[1] = 5;
$gfg
[2] = 1;
$gfg
[3] = 11;
$gfg
[4] = 15;
$gfg
[5] = 17;
$i
= 0;
while
(
$i
< 6) {
// Print the current index offset
var_dump (
$gfg
-> offsetGet (
$i
));
$i
++;
}
?>
Exit:int (1 ) int (5) int (1) int (11) int (15) int (17)
Link:https://www.php.net/manual/en/splfixedarray.offsetget.php