The Ds\Vector::copy() function is an inbuilt function in PHP which is used to create a copy of given vector.
Syntax:
Ds\Vector public Ds\Vector::copy( void )
Parameters: This function does not accept any parameter.
Return Value: This function returns a shallow copy of the vector.
Below programs illustrate the Ds\Vector::copy() function in PHP:
Program 1:
<?php // Create a vector array $arr1 = new \Ds\Vector([1, 2, 3, 5]); // Use copy() function to copy // the vector array $arr2 = $arr1 -> copy (); echo ( "Original Array \n" ); // Display the original array print_r( $arr1 ); echo ( "Copied Array \n" ); // Display the copied array print_r( $arr2 ); ?> |
Output:
Original Array Ds\Vector Object ( [0] => 1 [1] => 2 [2] => 3 [3] => 5 ) Copied Array Ds\Vector Object ( [0] => 1 [1] => 2 [2] => 3 [3] => 5 )
Program 2:
<?php // Create a vector array $arr1 = new \Ds\Vector([ "neveropen" , "for" , "neveropen" ]); // Use copy() function to copy // the vector array $arr2 = $arr1 -> copy (); echo ( "Original Array\n" ); // Display the original array print_r( $arr1 ); echo ( "Copied Array\n" ); // Display the copied array print_r( $arr2 ); ?> |
Output:
Original Array Ds\Vector Object ( [0] => neveropen [1] => for [2] => neveropen ) Copied Array Ds\Vector Object ( [0] => neveropen [1] => for [2] => neveropen )
Reference: http://php.net/manual/en/ds-vector.copy.php