Solution:1
Use explode()
to separate the elements into an array, then you can slice off the first 10, and implode()
them to create the new string.
$arr = "5|2288|502|4208|55|23217|235|10|3845|19053|1885|61|324|9004";
$a = explode ('|',$arr);
$b = array_slice($a,0,10);
$c = implode('|', $b);