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
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