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PHP Ds / Set copy () function

Syntax:
DsSet public DsSet::copy (void)
Parameter: this function does not contain any parameters.Return value:returns a copy of the set of elements.The following programs illustrate the Ds / Set::copy function()in PHP:Program 1:  
// Create a new set $set = new DsSet ( [10, 15, 21, 13, 16, 18]);  
// Show Set Element print_r ( $set );  
// Using the copy() function $set -> copy ();  
// Show Set Element print_r ( $set );  
?>
Exit:
DsSet Object ( [0] = > 10 [1] = > 15 [2] = > 21 [3] = > 13 [4] = > 16 [5] = > 18) DsSet Object ([0] = > 10 [1] = > 15 [2] = > 21 [3] = > 13 [4] = > 16 [5] = > 18)
Program 2: < tbody>  
// Create a new set $set = new DsSet ([ " Geeks " , "GFG" , " ABC " ]);  
// Show Set Element print_r ( $set );  
// Using the copy() function $set -> copy ();  
// Show Set Element print_r ( $set );  
?>
Exit:
DsSet Object ( [0] = > Geeks [1] = > GFG [2] = > ABC) DsSet Object ([0] = > Geeks [1] = > GFG [2] = > ABC)  Link: http://php.net/manual/en/ds -set.copy.php 
    

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