The Ds\Pair::clear() function is an inbuilt function in PHP which is used to remove all values from the pair.
Syntax:
void Ds\Pair::clear( void )
Parameters: This function does not accept any parameters.
Return Value: This function does not return any value.
Below programs illustrate the Ds\Pair::clear() function in PHP:
Program:
<?php // Create new pair $pair = new \Ds\Pair( "G" , "GeeksforGeeks" );
echo ( "Original pair elements:\n" );
// Display the pair elements print_r( $pair );
echo ( "Modified pair\n" );
// Use clear() function to // remove pair elements $pair ->clear();
// Display pair elements print_r( $pair );
?> |
Output:
Original pair elements: Ds\Pair Object ( [key] => G [value] => GeeksforGeeks ) Modified pair Ds\Pair Object ( )