I need to replace some html code in about 100 files.

Wanted to do this through code, and am using fgets() to get a line at a time
from the file, this string is saved in variable $line.

Then I check for the occurrence of the search string in $line using
If found, I echo some statements, and I wanted to replace the "search" text
with "replace" text using str_replace().
The strange thing is that while the code is able to search out the strings
correctly, it doesn't replace the text. The $line var loses its value for no

I check for the occurrence of the search string
        if($pos=strpos ($line, $strfrom))

but when within the if block I try to echo $line I don't get the value, so
str_replace doesn't work either.

everything else works fine, the strangest thing is that I tried echoing the
$line value before the if block and it doesn't print anything, but it works
for the if condition.

I am getting the no of files and the line nos, where the search string
occurs, but no replacements happening. This is the replacement code:

                                        $newline=str_replace ($strfrom, $strto,$line);
                                        echo "<br>New Line $newline";
                                                echo "<br>writable:";

Am I missing something really obvious here?


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