Php function for search from a file

If you have the start and end points, you can get the content of that two points. (as a example if the start and end point are and then u can get the content of these tags using this function. eg: content)

","",$contents);
$t = my_strip("abc","xyz",$contents);

echo $t;
?>


aaa.txt
=====
ntbfjkb n jABCjergnv
fvb j njrbn ntbfjkb n jegnb ef
g45yyyXYZtrgjrgbXYZk oi iABCyji oni jij

output
=====
jergnv fvb j njrbn ntbfjkb n jegnb ef g45yyy

sample code for undestand php file handling functions

$comment = $_POST["txtcomment"];

if ($comment!=""){

$date=date('l dS \of F Y h:i:s A');

$massage = $date.": ".$comment."\n";

$file=fopen("comment.txt","a+") or exit("Unable to open file!");

fwrite($file,$massage) or die("Could not write to file");

fclose($file);

echo "Massage sent!";

}

?>

This will write the massage to the comment.txt file.