- array_slice: documentation ( source)
- implode: documentation ( source)
- explode: documentation ( source)
<?php
$string = "First example from this part 10 t/m 16 it has to be removed";
echo implode(" ", array_slice(explode(" ", $string), 0,2));
echo "\n";
$string = "Second example from this part 12 t/m 22 it has to be removed";
echo implode(" ", array_slice(explode(" ", $string), 0,2));