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PHP SplFixedArray valid () function

Syntax:
bool SplFixedArray::valid()
Parameters:this the function takes no parameters.Return value:this function returns true on success, otherwise - false.The following programs illustrate the function SplFixedArray::valid()in PHP:Program 1:  
// Create a fixed size array $gfg = new SplFixedArray (3);  
// Go two steps to the word $gfg -> next(); $gfg -> next();  
// Print the result var_dump ( $gfg -> valid()); $gfg -> next();  
// Print the result var_dump ( $gfg -> valid()); $gfg -> next();  
// Print the result var_dump ( $gfg -> valid()); ?>
Exit:
bool (true ) bool (false) bool (false)
Program 2:  
// Create some fixed size array $gfg = new SplFixedArray (6); $gfg [0] = 1; $gfg [1] = 5; $gfg [2] = 1; $gfg [4] = 15; $gfg [5] = 22;  
// Loop through the array and display values ​​ while ( $gfg -> valid()) { // Display the current array index value var_dump ( $gfg -> valid()); // Move forward each time you iterate $gfg -> next(); }
?>
Exit:
bool (true ) bool (true) bool (true) bool (true) bool (true) bool (true)
Link:https://www.php.net/manual/en/splfixedarray.valid.php

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