- var_dump: documentation ( source)
- array_search: documentation ( source)
- array_slice: documentation ( source)
- range: documentation ( source)
<?php
$tab1 = array(0,0,2,3,4,2,1,2,3,4,5,6,7,8,7,7,2,9,10,12,11,12,13,14,13,12,15,16,2,17,1,18,2,19,20);
$tab2 = range(1,20);
var_dump($tab1);
var_dump($tab2);
var_dump(array_search($tab2[0], $tab1));
foreach ($tab2 as $value) {
var_dump(array_slice($tab1,array_search($value, $tab1)));
}