Comparison Problems with 5.2.5

[Magnus Anderson]

Hi,

I have runned into a slight annoying problem with my code, that I have never had before.
Either I have something wrong in my code or PHP 5.2.5 that I user is acting weird in windows. I have recently installed PHP on my windows machine for local developement instead of a remote server.

What I try to do is to make an if statement betwean two string numbers.

$_USER['level'] = The level the user has

The $_USER['level'] string is taken from the Database and is "5".

This will not work (I expect this to work since _USER['level'] is 5)
if($_USER['level'] => 5)

This will work (And I expect it to work to)
if($_USER['level'] => 6)

This will work (Not supposed to work since _USER['level'] is 5)
if($_USER['level'] > 5)

[Silvio Porcellana]

Magnus Anderson wrote:
>
> ...snip...
>
> This will not work (I expect this to work since _USER['level'] is 5)
> if($_USER['level'] => 5)
>

Try
if($_USER['level'] >= 5)

maybe it helps ('=>' is used when assigning values in an hash, maybe you
are triggering something strange...)

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[Scott Wilcox]

Is it possible with PHP to remove a certain number of bytes from a file,
purely within PHP?

If so, does someone have an example of doing this, removing the first
230 bytes from a file.

Thanks,

Scott.

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[Casey-27]

On Dec 30, 2007 8:04 AM, Silvio Porcellana <sporc@...> wrote:

> Magnus Anderson wrote:
> >
> > ...snip...
> >
> > This will not work (I expect this to work since _USER['level'] is 5)
> > if($_USER['level'] => 5)
> >
>
> Try
> if($_USER['level'] >= 5)
>
> maybe it helps ('=>' is used when assigning values in an hash, maybe you
> are triggering something strange...)
>
> --
> Antinori and Partners - http://www.antinoriandpartners.com
> Soluzioni web - da professionisti
>
>
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>
>

I think it needs to be >= (greater than or equal to) or <= (less than
or equal to).
-Casey

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Maybe one of these days I'll remember to actually reply to the list the
first time.


---------- Forwarded message ----------
From: Benjamin Darwin <bddarwin@...>
Date: Dec 30, 2007 2:12 PM
Subject: Re: [PHP] Using PHP to remove certain number of bytes from file
To: Scott Wilcox <sc0tt@...>


Try this:

$file_data = file_get_contents('filename', false, null, 230);
file_put_contents('filename', $file_data);

This should do exactly what you need, although you may want to see if either
one returns false (indicating an error) and stop the script.

  On Dec 30, 2007 12:20 PM, Scott Wilcox <sc0tt@...> wrote:

> Is it possible with PHP to remove a certain number of bytes from a file,
> purely within PHP?
>
> If so, does someone have an example of doing this, removing the first
> 230 bytes from a file.
>
> Thanks,
>
> Scott.
>
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> To unsubscribe, visit: http://www.php.net/unsub.php
>
>

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bddarwin@...

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[Robert Cummings]

On Sun, 2007-12-30 at 17:20 +0000, Scott Wilcox wrote:
> Is it possible with PHP to remove a certain number of bytes from a file,
> purely within PHP?

Yes. Why wouldn't it?

> If so, does someone have an example of doing this, removing the first
> 230 bytes from a file.

No, that's an awfully specific problem. But here's the tools you'll
need:

fopen(), fread(), fwrite(), fclose().

Further info... you could do this without creating a separate temporary
file (meaning shift bytes within a single file), but I suggest using a
temporary target file for writing the new content, and then replacing
the original once everything has completed successfully.

Cheers,
Rob.
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[Robert Cummings]

On Sun, 2007-12-30 at 14:14 -0500, Benjamin Darwin wrote:

> Maybe one of these days I'll remember to actually reply to the list the
> first time.
>
>
> ---------- Forwarded message ----------
> From: Benjamin Darwin <bddarwin@...>
> Date: Dec 30, 2007 2:12 PM
> Subject: Re: [PHP] Using PHP to remove certain number of bytes from file
> To: Scott Wilcox <sc0tt@...>
>
>
> Try this:
>
> $file_data = file_get_contents('filename', false, null, 230);
> file_put_contents('filename', $file_data);

I don't suggest this route with files that are in the hundreds of
megs :) But admittedly, it's the simplest solution for small files.
Also, can't use it if you're stuck with PHP 4 since it doesn't support
file_put_contents(). PHP4 is dead now anyways, supposedly, so I read
someplace ;)

Cheers,
Rob.
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[Casey-27]

On Dec 30, 2007 11:26 AM, Robert Cummings <robert@...> wrote:

> On Sun, 2007-12-30 at 14:14 -0500, Benjamin Darwin wrote:
> > Maybe one of these days I'll remember to actually reply to the list the
> > first time.
> >
> >
> > ---------- Forwarded message ----------
> > From: Benjamin Darwin <bddarwin@...>
> > Date: Dec 30, 2007 2:12 PM
> > Subject: Re: [PHP] Using PHP to remove certain number of bytes from file
> > To: Scott Wilcox <sc0tt@...>
> >
> >
> > Try this:
> >
> > $file_data = file_get_contents('filename', false, null, 230);
> > file_put_contents('filename', $file_data);
>
> I don't suggest this route with files that are in the hundreds of
> megs :) But admittedly, it's the simplest solution for small files.
> Also, can't use it if you're stuck with PHP 4 since it doesn't support
> file_put_contents(). PHP4 is dead now anyways, supposedly, so I read
> someplace ;)
>
> Cheers,
> Rob.
> --
> ...........................................................
> SwarmBuy.com - http://www.swarmbuy.com
>
>     Leveraging the buying power of the masses!
> ...........................................................
>
> --
>
> PHP General Mailing List (http://www.php.net/)
> To unsubscribe, visit: http://www.php.net/unsub.php
>
>

30 seconds alternative:
<?php
$fh = fopen($file, 'rb');
$f2 = fopen('temp', 'wb');
fseek($fh, 230);
do {
 fwrite($f2, fread($fh, 4069));
} while (!feof($fh);
fclose($fh);
fclose($f2);
rename('temp', $file);
?>
-Casey

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[Richard Lynch]

You want >= and not =>

The => operator doesn't even  make any sense in that context, as far
as I know...

On Sun, December 30, 2007 8:34 am, Magnus Anderson wrote:

>
> Hi,
>
> I have runned into a slight annoying problem with my code, that I have
> never
> had before.
> Either I have something wrong in my code or PHP 5.2.5 that I user is
> acting
> weird in windows. I have recently installed PHP on my windows machine
> for
> local developement instead of a remote server.
>
> What I try to do is to make an if statement betwean two string
> numbers.
>
> $_USER['level'] = The level the user has
>
> The $_USER['level'] string is taken from the Database and is "5".
>
> This will not work (I expect this to work since _USER['level'] is 5)
> if($_USER['level'] => 5)
>
> This will work (And I expect it to work to)
> if($_USER['level'] => 6)
>
> This will work (Not supposed to work since _USER['level'] is 5)
> if($_USER['level'] > 5)
>
> --
> View this message in context:
> http://www.nabble.com/Comparison-Problems-with-5.2.5-tp14547671p14547671.html
> Sent from the PHP - General mailing list archive at Nabble.com.
>
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>
>

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[Richard Lynch]

On Sun, December 30, 2007 11:20 am, Scott Wilcox wrote:
> Is it possible with PHP to remove a certain number of bytes from a
> file,
> purely within PHP?
>
> If so, does someone have an example of doing this, removing the first
> 230 bytes from a file.

Something like this might work:

<?php
  $path = "/full/path/to/file";
  $file = fopen($path, 'r+') or die("Could not open $path");
  //read 200 bytes
  $goners = fread($file, 200);
  if (!strlen($goners) === 200){
    ftruncate($file, 0);
  }
  $offset = 0;
  while(!feof($file)){
    $buffer = fread($file, 2048);
    ftell($file, $offset);
    fwrite($file, $buffer);
    $offset += strlen($buffer);
    ftell($file, $offset + 200);
  }
?>

--
Some people have a "gift" link here.
Know what I want?
I want you to buy a CD from some indie artist.
http://cdbaby.com/from/lynch
Yeah, I get a buck. So?

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