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| Title : |
Script to check values being submitted by POST or GET method from a form. This script may help diagnose what variables are being supplied by a browser to other php scripts. |
| Categories : |
HTML, Variables, Debugging, PHP, HTTP |
Nick Talbott |
| Date : |
Aug 13th 1998 |
| Grade : |
2 of 5 (graded 4 times) |
| Viewed : |
10789 |
| File : |
No file for this code example. |
| Images : |
No Images for this code example. |
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| Search : |
More code by Nick Talbott |
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| Action : |
Grade This Code Example
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| Tools : |
My Examples List |
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<?php
// To check output from a form, set the <FORM ACTION=".." to point to this script
// This script relies on the php configuration directive track_vars being enabled
// See chapter 4 of the PHP manual
print "Summary of information passed from " . urldecode($HTTP_REFERER) .
"<br><hr>HTTP Headers:<p>";
$headers = getallheaders();
while (list($header, $value) = each($headers))
print "$header: $value<br>\n";
print "<hr>";
print "Values submitted via POST method:<p>";
if ($HTTP_POST_VARS)
{
for(reset($HTTP_POST_VARS); $key = key($HTTP_POST_VARS); next
($HTTP_POST_VARS))
{
if (is_array($HTTP_POST_VARS[$key]))
{
$num=count($HTTP_POST_VARS[$key]);
for ($i=0; $i<$num; $i++)
print "$$key"."[$i] = ".$HTTP_POST_VARS[$key][$i]."<br>
\n";
}
else
{
print "$$key = ".$HTTP_POST_VARS[$key]."<br>\n";
}
}
}
print "<hr>";
print "Values submitted via GET method:<p>";
if ($HTTP_GET_VARS)
{
for(reset($HTTP_GET_VARS); $key = key($HTTP_GET_VARS); next($HTTP_GET_VARS))
{
if (is_array($HTTP_GET_VARS[$key]))
{
$num=count($HTTP_GET_VARS[$key]);
for ($i=0; $i<$num; $i++)
print "$$key"."[$i] = ".$HTTP_GET_VARS[$key][$i]."<br>
\n";
}
else
{
print "$$key = ".$HTTP_GET_VARS[$key]."<br>\n";
}
}
}
print "<hr>";
?>
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