View Full Version : Help with a parser script please?

12-15-2010, 10:40 AM

I'm in the middle of writing a parser to ditch all the junk at the start of a file I wish to read, then when it finds a certain tag <HEAD> I want the details outputted to the page - ignoring everything before that tag, but i'm having problems and nothing is outputted.

Anyone kindly advise, think i'm nearly there?



//* Open the file
$lines = file('file.html');

//* Need to ditch the junk at the start of the file so initially set $find_line = false
$find_line = false;

//* Loop through the lines
foreach ( $lines as $line ) {

//* Check find the line where the <HEAD> tag is and then set $find_line = true
if(strpos($line, '<HEAD>')){
$find_line = true;

//* Now it's 'true' echo out details ignorning everything before <head>
echo $val = trim ($line);

} //End foreach




12-15-2010, 12:29 PM
Not sure if this helps or not .... I found this using Google:

For getting the <title>, but I suppose it could just as well be <head> ...

$data = file_get_contents("SOME URL");
$pattern = "/<title>([^<]*)<\/title>/";
preg_match($pattern, $data, $matches);
//$matches is an array;
$matches[1] will get the the data in the first () or the title $title = $matches[1];

12-15-2010, 06:39 PM
Using that concept mlseim posted:

$data = file_get_contents("SOME URL");
$pattern = "~<head>(.*)~is";
preg_match($pattern, $data, $matches);

Use $matches[0] instead of 1 if you want to print the head tag too.

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