PHP - Ds Sequence last()Function

Ds\Sequence::last() function can return the last value.

Syntax

public abstract mixed Ds\Sequence::last( void )

Ds\Sequence::last() function can return the last value in a sequence.

Ds\Sequence::last() function doesn't have any parameters. This function can return the last value in a sequence.

Ds\Sequence::last() function can throw an UnderflowException if empty.

Example 1

<?php 
   $seq = new \Ds\Vector([10, 15, 20, 25]); 
   var_dump($seq->last()); 

   $seq = new \Ds\Vector(["R", "a", "j", "a", "a"]);
   var_dump($seq->last()); 
?>

Example 2

<?php 
   $seq = new \Ds\Vector([20, 25, "p", "x"]); 
   var_dump($seq->last());  
   
   $seq->insert(4, "R");  
   var_dump($seq->last());  
?>

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