- explode: documentation ( source)
<?php
$array = array(
"Titel 1",
"Bericht 1",
"Link 1",
"Titel 2",
"Bericht 2",
"Link 2",
"Titel 3",
"Bericht 3",
"Link 3",
"Titel 4",
"Bericht 4",
"Link 4",
);
foreach($array as $value){
$explode = explode(' ',$value);
foreach($explode as $v){
if($v == 'Link'){
print($value.' ');}}
}