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Posted by Jeff Killen Sat 2nd Aug 13:39

001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033 034 035 036 037 038 039 040 041 042 043 044 045 046 047 048 049 050 <?php The problem an input string from a form field has escaped apostrophes in it. It is used as a test string for str_replace() and fails, barring any other problem, because of the escaped apostrophes. The file that has the string to do the replacement in already has an instance of an escaped apostophe in it. this is the acutal block where str_replace() is failing; the indicated line is the culprit. It is called in the context of an ajax call, so normal methods of debugging have proven harder. The server will return errors and print statements, but not print statements alone. $this->content = ''; $this->fr = fopen($this->dFile, 'r') or die("open failed message"); $this->content = fread($this->fr, filesize($this->dFile)); fclose($this->fr); unset($this->fr); $this->content = str_replace("\$sequence = '".$this->Oseqnum."';", "\$sequence = '".$this->Nseqnum."';", $this->content); //this works $this->content = str_replace("\$title = '".$this->Otitle."';", "\$title = '".$this->Ntitle."';", $this->content); //and this print $this->Odesc."\n"; // this line is failing but processing proceeds as normal so // print statement is ignored $this->content = str_replace("\$text = '".$this->Odesc."';", "\$text = '".$this->Ndesc."';", $this->content); //print $this->dataFile." 2\n"; $this->fw = fopen($this->dFile, 'w') or die("write operation failed message"); fwrite($this->fw, $this->content); // looking at the file for the revision shows no change. // I know it is the right file because I was able to // change the title successfully. fclose($this->fw); unset($this->fw); unset($this->content); return ':0'; ?>

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<?php
The problem

an input string from a form field has escaped apostrophes
in it. It is used as a test string for str_replace()
and fails, barring any other problem, because of the
escaped apostrophes. The file that has the string to
do the replacement in already has an instance of an
escaped apostophe in it.

this is the acutal block where str_replace() is failing;
the indicated line is the culprit. It is called in the
context of an ajax call, so normal methods of debugging
have proven harder. The server will return errors and
print statements, but not print statements alone.



$this->content = '';
$this->fr = fopen($this->dFile, 'r') \
or die("open failed message");
$this->content = fread($this->fr, filesize($this->dFile));
fclose($this->fr);
unset($this->fr);
$this->content = \
str_replace("\$sequence = '".$this->Oseqnum."';", \
"\$sequence = '".$this->Nseqnum."';", $this->content); //this works

$this->content = str_replace("\$title = '".$this->Otitle."';", \
"\$title = '".$this->Ntitle."';", $this->content); //and this

print $this->Odesc."\n";

// this line is failing but processing proceeds as normal so
// print statement is ignored
$this->content = str_replace("\$text = '".$this->Odesc."';", \
"\$text = '".$this->Ndesc."';", $this->content);

//print $this->dataFile." 2\n";
$this->fw = fopen($this->dFile, 'w') \
or die("write operation failed message");
fwrite($this->fw, $this->content);
// looking at the file for the revision shows no change.
// I know it is the right file because I was able to
// change the title successfully.
fclose($this->fw);
unset($this->fw);
unset($this->content);
return ':0';
?>

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Posted by Jeff Killen Sat 2nd Aug 13:39