find character within text

[Anon]

i have a large blob field in a db on average around 500 characters

i want to be able to find <p> break after the 200th character end the string then start a new string from where the last one finished

?

[Anon]

$pos = strpos($blob, '<p>', 200);

if ($pos === false) { // note: three equal signs
$pre = $blob;
$post = '';
} else {
$pre = substr($blob, 0, $pos);
$post = substr($blob, $pos);
}