File And Directory Manipulation In PHP (part 2) - Stripping It To The Bone (
Page 2 of 13 )
You may remember, from the first part of this article, how I used
the
fgets() function to read the contents of a file and print it to the
browser. In case you don't, here's a quick reminder:
<?php
// set file to read
$filename = "mindspace.txt";
// open file
$fh = fopen ($filename, "r") or die("Could not open file");
// read file
while (!feof($fh))
{
$data = fgets($fh);
echo $data;
}
// close file
fclose ($fh);
echo "-- ALL DONE --";
?>
PHP also offers the fgetss() function, which works just like the
regular
fgets() function, except that it also strips out HTML and PHP code
from the lines it reads. So, for example, if you had a file containing
intermingled HTML code and ASCII text (as most HTML files are), like in the
following example,
<HTML>
<HEAD>
</HEAD>
<BODY>
<TABLE BORDER="0" CELLSPACING="0" CELLPADDING="0">
<TR>
<TD>
<FONT FACE="Verdana, Arial" SIZE="2" COLOR="#66CC00">
<B><A HREF="article.php?id=169"><IMG SRC="/images/sm_arrow.jpg"
WIDTH=20 HEIGHT=20 ALT="" BORDER=0 ALIGN="ABSMIDDLE" HSPACE=4>Learning
To SMILe</A></B> </FONT> </TD> </TR> <TR>
<TD> <FONT FACE="Verdana, Arial" SIZE="1" COLOR="Black">
Use SMIL to quickly build new Web-based multimedia applications | 20 Dec 2002
</FONT>
</TD>
</TR>
<TR>
<TD HEIGHT=25>
</TD>
</TR>
<TR>
<TD>
<FONT FACE="Verdana, Arial" SIZE="2" COLOR="#66CC00">
<B><A HREF="article.php?id=168"><IMG SRC="/images/sm_arrow.jpg"
WIDTH=20 HEIGHT=20 ALT="" BORDER=0 ALIGN="ABSMIDDLE" HSPACE=4>Writing
A User Manual (part 1)</A></B> </FONT> </TD> </TR>
<TR> <TD> <FONT FACE="Verdana, Arial" SIZE="1"
COLOR="Black"> It ain't easy writing a user manual...but our cheat
sheet should help | 20
Dec 2002
</FONT>
</TD>
</TR>
</TABLE>
</BODY>
</HTML>
you could retrieve just the ASCII from it with the following example
script:
<?php
// set file to read
$filename = "data.html";
// open file
$fh = fopen ($filename, "r") or die("Could not open file");
// read file
while (!feof($fh))
{
// strip out tags
$data = fgetss($fh, 999);
// if nothing present after stripping tags, move on
// else print the cleaned line
if (trim($data) != "")
{
echo trim($data) . "\r\n";
}
}
// close file
fclose ($fh);
echo "-- ALL DONE --";
?>
Here's what the output looks like:
Learning To SMILe
Use SMIL to quickly build new Web-based
multimedia applications | 20 Dec 2002 Writing A User Manual (part 1)
It ain't easy writing a user manual...but our cheat sheet should help | 20 Dec
2002
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