Get content between two strings PHP

You may as well use substr and strpos for this.

$startsAt = strpos($out, "{FINDME}") + strlen("{FINDME}");$endsAt = strpos($out, "{/FINDME}", $startsAt);$result = substr($out, $startsAt, $endsAt - $startsAt);

You'll need to add error checking to handle the case where it doesn't FINDME.

• Use # instead of / so you dont have to escape them.
• The modifier s makes . and \s also include newlines.
• { and } has various functionality like from n to m times in {n,m}.

• The basic

  preg_match('#\\{FINDME\\}(.+)\\{/FINDME\\}#s',$out,$matches);

• The advanced for various tags etc (styling is not so nice by the javascript).

  $delimiter = '#';$startTag = '{FINDME}';$endTag = '{/FINDME}';$regex = $delimiter . preg_quote($startTag, $delimiter)                     . '(.*?)'                     . preg_quote($endTag, $delimiter)                     . $delimiter                     . 's';preg_match($regex,$out,$matches);

Put this code in a function

• For any file which you do not want to execue any stray php code, you should use file_get_contents. include/require should not even be an option there.

I like to avoid using regex if possible, here is alternative solution to fetch all strings between two strings and returns an array.

function getBetween($content, $start, $end) {    $n = explode($start, $content);    $result = Array();    foreach ($n as $val) {        $pos = strpos($val, $end);        if ($pos !== false) {            $result[] = substr($val, 0, $pos);        }    }    return $result;}print_r(getBetween("The quick brown {{fox}} jumps over the lazy {{dog}}", "{{", "}}"));

Results :

Array(    [0] => fox    [1] => dog)