array reduce with array_splice() in php

<?php

$num=array(1,2,3,4,5,6,7,8,9,10);
echo '<b>original array :</b>';
foreach($num as $num1)
{
echo ' '.$num1;
}
$num=array(1,2,3,4,5,6,7,8,9,10);
echo '<br><br><b>array after reduce 1 element :</b>';
$num = array_splice($num, 1) ;
foreach($num as $num1)
{
echo ' '.$num1;
}
$num=array(1,2,3,4,5,6,7,8,9,10);
echo '<br><br><b>array after reduce 2 elements :</b>';
$num = array_splice($num, 2) ;

foreach($num as $num1)
{
echo ' '.$num1;
}

$num=array(1,2,3,4,5,6,7,8,9,10);
echo '<br><br><b>array after reduce 3 elements :</b>';
$num = array_splice($num, 3) ;
foreach($num as $num1)
{
echo ' '.$num1;
}
$num=array(1,2,3,4,5,6,7,8,9,10);
echo '<br><br><b>array after reduce 4 elements :</b>';
$num = array_splice($num, 4) ;

foreach($num as $num1)
{
echo ' '.$num1;
}

$num=array(1,2,3,4,5,6,7,8,9,10);
echo '<br><br><b>array after reduce 5 elements :</b>';
$num = array_splice($num, 5) ;
foreach($num as $num1)
{
echo ' '.$num1;
}
$num=array(1,2,3,4,5,6,7,8,9,10);
echo '<br><br><b>array after reduce 6 elements :</b>';
$num = array_splice($num, 6) ;

foreach($num as $num1)
{
echo ' '.$num1;
}

?>

output :

original array : 1 2 3 4 5 6 7 8 9 10

array after reduce 1 element : 2 3 4 5 6 7 8 9 10

array after reduce 2 elements : 3 4 5 6 7 8 9 10

array after reduce 3 elements : 4 5 6 7 8 9 10

array after reduce 4 elements : 5 6 7 8 9 10

array after reduce 5 elements : 6 7 8 9 10

array after reduce 6 elements : 7 8 9 10