PHP SplFixedArray valid() Function
Last Updated :
23 Jun, 2023
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The SplFixedArray::valid() function is an inbuilt function in PHP which is used to check the array can contain more elements or not.
Syntax:
php
php
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());
?>
<?php// Create a fixed size array$gfg = new SplFixedArray(3);// Move to two step forward$gfg->next();$gfg->next();// Print resultvar_dump($gfg->valid());$gfg->next();// Print resultvar_dump($gfg->valid());$gfg->next();// Print resultvar_dump($gfg->valid());?>
Output:
Program 2:
bool(true) bool(false) bool(false)
<?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
$gfg->next();
}
?>
<?php// Create some fixed size array$gfg = new SplFixedArray(6); $gfg[0] = 1;$gfg[1] = 5;$gfg[2] = 1;$gfg[4] = 15;$gfg[5] = 22; // Iterate array and print valueswhile($gfg->valid()) { // Print current value of index of the array var_dump($gfg->valid()); // Move next each time of iteration $gfg->next();}?>
Output:
Reference: https://www.php.net/manual/en/splfixedarray.valid.php
bool(true) bool(true) bool(true) bool(true) bool(true) bool(true)
