The SplFixedArray::valid() function is an inbuilt function in PHP which is used to check the array can contain more elements or not.
Syntax:
bool SplFixedArray::valid()
Parameters: This function does not accept any parameter.
Return Value: This function returns true on success, false otherwise.
Below programs illustrate the SplFixedArray::valid() function in PHP:
Program 1:
<?php // Create a fixed size array $gfg = new SplFixedArray(3);
// Move to two step forward $gfg ->next();
$gfg ->next();
// Print result var_dump( $gfg ->valid());
$gfg ->next();
// Print result var_dump( $gfg ->valid());
$gfg ->next();
// Print result var_dump( $gfg ->valid());
?> |
Output:
bool(true) bool(false) bool(false)
Program 2:
<?php // Create some fixed size array $gfg = new SplFixedArray(6);
$gfg [0] = 1;
$gfg [1] = 5;
$gfg [2] = 1;
$gfg [4] = 15;
$gfg [5] = 22;
// Iterate array and print values while ( $gfg ->valid()) {
// Print current value of index of the array
var_dump( $gfg ->valid());
// Move next each time of iteration
$gfg ->next();
} ?> |
Output:
bool(true) bool(true) bool(true) bool(true) bool(true) bool(true)
Reference: https://www.php.net/manual/en/splfixedarray.valid.php