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PHP Only Runs From Command Line


I know very little about PHP, but I was just curious to know
why exactly would some PHP code run fine from the command line but not
from the browser?

I'm just curious. I was working with someone else's PHP code that
supposedly created MySQL tables in a database and for some reason it
just wouldn't create the tables at all (no specific error message).
Someone suggested I run from the command line and when I did, it
worked...




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When I run the following program from the command line it prints out the
source code as well as the output from the program. I run other PHP programs
on the command-line and this doesn't happen. It's really peculiar. The
error output is below.

I copied this off of php.net, and have modified it only slightly to allow
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<?php

if ( $argv[0] )
{
$file = $argv[0] ;
}
else{
$file = $_GET['file'] ;
print "<font face=arial>
" ;
}

$row = 1;

$handle = fopen("$file", "r");

while ( ( $data = fgetcsv($handle, 1000, ",") ) !== FALSE )
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$num = count($data);

print "$num fields in line $row:<br>
";

$row++;

for ($c = 0; $c < $num; $c++)
{
print "$data[$c]<br>
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