PHP SplFixedArray key() Function
The SplFixedArray::key() function is an inbuilt function in PHP which is used to get the key of the current index of the array.
Syntax:
int SplFixedArray::key()
Parameters: This function does not accept any parameter.
Return Value: This function returns the key of the current index of the array.
Below programs illustrate the SplFixedArray::key() function in PHP:
Program 1:
<?php
$gfg = new SplFixedArray(6);
$gfg [0] = 1;
$gfg [1] = 5;
$gfg [2] = 1;
$gfg ->next();
$gfg ->next();
echo $gfg ->key() . "\n" ;
?>
|
Program 2:
<?php
$gfg = new SplFixedArray(6);
$gfg [0] = 1;
$gfg [1] = 5;
$gfg [2] = 1;
$gfg [3] = 11;
$gfg [4] = 15;
$gfg [5] = 17;
while ( $gfg ->valid()) {
echo $gfg ->key(). "\n" ;
$gfg ->next();
}
?>
|
Reference: https://www.php.net/manual/en/splfixedarray.key.php
Last Updated :
23 Jun, 2023
Like Article
Save Article
Share your thoughts in the comments
Please Login to comment...