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PHP SplFixedArray offsetUnset () function

Syntax:
void SplFixedArray::offsetUnset ($index)
Parameters: This function takes one parameter, $index,which specifies the desired index to reset.Return Value:This function does not return any value.The following programs illustrate the function SplFixedArray::offsetUnset()in PHP:Program 1:  
// Create a fixed size array $gfg = new SplFixedArray (6); $gfg [0] = 1; $gfg [1] = 5; $gfg [2] = 10;  
// Print current offset var_dump ( $gfg -> offsetGet (2));  
// Unsetting offset $gfg -> offsetUnset (2);  
// Print after reset var_dump ( $gfg -> offsetGet (2));  
?>
Exit:
int (10 ) NULL
Program 2:  
// Create some fixed size array $gfg = new SplFixedArray (6); $gfg [0] = 1; $gfg [1] = 5; $gfg [2] = 1; $gfg [3] = 11; $gfg [4] = 15; $gfg [5] = 17; $i = 0; while ( $i < 6) { // Print current offset var_dump ( $gfg -> offsetGet ( $i )); // Unsetting offset $gfg -> offsetUnset ( $i ); // Print after reset var_dump ( $gfg -> offsetGet ( $i )) ; $i ++; }
?>
Exit:
int (1 ) NULL int (5) NULL int (1) NULL int (11) NULL int (15) NULL int (17) NULL
Link:https://www.php.net/manual/en/splfixedarray.offsetunset.php
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