Syntax :
void offsetUnset ($index)
Parameters : This function takes one parameter
$index, which is the index whose value should not be set.
Return value : This function does not return any value.Below the program illustrate the above function:
Program 1 :
// PHP illustration program
// offsetUnset() function $arr = array ( "Welcome" = > "1" , "to" = > "2" , "GfG" = > "3" );
// Create array object $arrObject = new ArrayObject ( $arr );
// Reset the index value to "to" $arrObject -> offsetUnset ( "to" );
// Print the updated ArrayObject print_r ( $arrObject );
?> Exit:ArrayObject Object ( [storage: ArrayObject: private] = > Array ([Welcome] = > 1 [GfG] = > 3))
Program 2 :
// PHP illustration program
// offsetUnset() function $arr = array ( "engineer100" , "engineer99" , "engineer1" , "engineer02" );
// Create array object $arrObject = new ArrayObject ( $arr );
// Reset the value at index 1 $arrObject -> offsetUnset (1);
// Reset the value at index 1 $arrObject -> offsetUnset (2);
// Print the updated ArrayObject print_r ( $arrObject );
?> Exit:ArrayObject Object ( [storage: ArrayObject: private] = > Array ([0] = > engineer100 [3] = > engineer02))
Link : http://php.net/manual/en/arrayobject.offsetunset.php
