/*1. array_shift*/

redArray ( [b] => green [c] => blue )

<?php $a=array("a"=>"punainen","b"=>"vihreä","c"=>"sininen"); echo array_shift($a); print_r ($a); ?>

/*2. array_slice*/

Array ( [0] => blue [1] => yellow [2] => brown )

<?php $a=array("punainen","vihreä","sininen","keltainen","ruskea"); print_r(array_slice($a,2)); ?>

/*3. array_splice*/

Array ( [0] => purple [1] => orange [c] => blue [d] => yellow )

<?php $a1=array("a"=>"punainen","b"=>"vihreä","c"=>"sininen","d"=>"keltainen"); $a2=array("a"=>"violetti","b"=>"oranssi"); array_splice($a1,0,2,$a2); print_r($a1); ?>

/*4. array_sum*/

45

<?php $a=array(5,15,25); echo array_sum($a); ?>

/*5. array_udiff*/

Array ( [a] => red [b] => green )

<?php function myfunction($a,$b) { if ($a===$b) { return 0; } return ($a>$b)?1:-1; } $a1=array("a"=>"punainen","b"=>"vihreä","c"=>"sininen"); $a2=array("a"=>"sininen","b"=>"musta","e"=>"sininen"); $result=array_udiff($a1,$a2,"myfunction"); print_r($result); ?>