PHP SplFixedArray valid() Function
Last Updated :
23 Jun, 2023
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
$gfg = new SplFixedArray(3);
$gfg->next();
$gfg->next();
var_dump($gfg->valid());
$gfg->next();
var_dump($gfg->valid());
$gfg->next();
var_dump($gfg->valid());
?>
|
Output:
bool(true)
bool(false)
bool(false)
Program 2:
<?php
$gfg = new SplFixedArray(6);
$gfg[0] = 1;
$gfg[1] = 5;
$gfg[2] = 1;
$gfg[4] = 15;
$gfg[5] = 22;
while($gfg->valid()) {
var_dump($gfg->valid());
$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
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