PHP ArrayIterator offsetSet () function

Syntax:
void ArrayIterator::offsetSet (mixed $index, mixed  $newval)
Parameters:This function takes two parameters as above and described below:
  • $index: this parameter contains the index to set the offset.
  • $newval:this parameter contains the new value to store at the specified index.
Returned value:This function does not return any value.The following programs illustrate the ArrayIterator::offsetSet() function in PHP:Program 1:
// Declare ArrayIterator $arrItr = new ArrayIterator ( array ( "a" = > 4, "b" = > 2, "g" = > 8, "d" = > 6, "e" = > 1, "f" = > 9 ) );
// Update the value at index 1 $arrItr -> offsetSet ( "g" , "Geeks" );
// Print the updated ArrayObject print_r ( $arrItr );
?>
Exit:
ArrayIterator Object ( [storage: ArrayIterator: private] = > Array ([a] = > 4 [b] = > 2 [g] = > Geeks [d] = > 6 [e] = > 1 [f] = > 9))
Program 2:
// Declare ArrayIterator $arrItr = new ArrayIterator ( array ( "for" , " Geeks " , " Science " , "Geeks" , "Portal" , "Computer" ) );
// Update the value at index 1 $arrItr -> offsetSet (1, "GeeksforGeeks" );
// Print the updated ArrayObject print_r ( $arrItr );
?>
Exit:
ArrayIterator Object ( [storage: ArrayIterator: private] = > Array ([0] = > for [1] = > GeeksforGeeks [2] = > Science [3] = > Geeks [4] = > Portal [5] = > Computer))
Link: https://www.php.net/manual/en/arrayiterator.offsetset.php

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