The Ds\Set::copy() function is an inbuilt function in PHP which is used to returns the copy of the set element.
Syntax:
Ds\Set public Ds\Set::copy( void )
Parameter: This function does not contains any parameter.
Return value: It returns the copy of set elements.
Below programs illustrate the Ds\Set::copy() function in PHP:
Program 1:
<?php // Create new Set $set = new \Ds\Set([10, 15, 21, 13, 16, 18]); // Display the Set element print_r($set); // Use copy() function $set->copy(); // Display the Set element print_r($set); ?> |
Output:
Ds\Set Object
(
[0] => 10
[1] => 15
[2] => 21
[3] => 13
[4] => 16
[5] => 18
)
Ds\Set Object
(
[0] => 10
[1] => 15
[2] => 21
[3] => 13
[4] => 16
[5] => 18
)
Program 2:
<?php // Create new Set $set = new \Ds\Set(["Geeks", "GFG", "ABC"]); // Display the Set element print_r($set); // Use copy() function $set->copy(); // Display the Set element print_r($set); ?> |
Output:
Ds\Set Object
(
[0] => Geeks
[1] => GFG
[2] => ABC
)
Ds\Set Object
(
[0] => Geeks
[1] => GFG
[2] => ABC
)
Reference: http://php.net/manual/en/ds-set.copy.php
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