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Determining Referer in PHP
...nd(), TRUE);
$_SESSION['token'] = $token;
$url = "http://example.com/index.php?token={$token}";
Then the index.php will look like this:
if(empty($_GET['token']) || $_GET['token'] !== $_SESSION['token'])
{
show_404();
}
//Continue with the rest of code
I do know of secure sites that do the...
How do I upgrade PHP in Mac OS X?
...
You may want to check out Marc Liyanage's PHP package. It comes in a nice Mac OS X installer package that you can double-click. He keeps it pretty up to date.
http://php-osx.liip.ch/
Also, although upgrading to Snow Leopard won't help you do PHP updates in the futu...
Check if PHP session has already started
I have a PHP file that is sometimes called from a page that has started a session and sometimes from a page that doesn't have session started. Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines:
...
How to show math equations in general github's markdown(not github's blog)
...e following markdown syntax
it will display the following image
equation http://www.sciweavers.org/tex2img.php?eq=1%2Bsin%28mc%5E2%29&bc=White&fc...
Convert a Git folder to a submodule retrospectively?
...$old_commit"
done
git tag | grep "^temp_" | xargs -d '\n' git tag -d 2>&1 > /dev/null
# Add the new url for this repository (and e.g. push)
git remote add origin "$repo_sub_url"
# git push -u origin master
2. Subdirectory replacement
cd "$root"
# Create a clone for our modified repo
g...
Why check both isset() and !empty()
... @karim IMO empty is one of the most misunderstood functions in PHP. The tiny snippet about "no warning is generated" is very easy to overlook. I had to scan the documentation myself a few times to spot it to post it here.
– deceze♦
Dec 30 '10 at 4...
using href links inside tag
...name="forma" onchange="location = this.value;">
<option value="Home.php">Home</option>
<option value="Contact.php">Contact</option>
<option value="Sitemap.php">Sitemap</option>
</select>
UPDATE (Nov 2015): In this day and age if you want to have a dr...
Resolve absolute path from relative path and/or file name
...n of Batch techniques and example scripts is robvanderwoude.com/batchfiles.php . See also stackoverflow.com/questions/245395/…
– hfs
Oct 31 '12 at 9:27
6
...
Passing argument to alias in bash [duplicate]
...
Just want to add example from my .bashrc mkcd () { mkdir "$@" && cd "$@"; } where i'm creating dir and cd'ing into
– Vova Lando
Dec 30 '13 at 15:06
...
multiprocessing: How do I share a dict among multiple processes?
...ash(k)
while ht[h] != 0xffffffff:
h = (h + 1) & (self.hs - 1)
ht[h] = kvp
kvp += self.kvlen(k) + self.kvlen(v)
kvl.append(k)
kvl.append(v)
self.m = mmap(-1, kvp)
for p in ht:
self.m.write(uin...