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Why do you not use C for your web apps?
...buffer overflows, having a compile stage between the edit and test stages, etc).
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Reference — What does this symbol mean in PHP?
... @Lotus - I consider it a fun fact. If you're a beginner to PHP, or C++, etc, it seems pretty wacky that ++i and i++ are different enough to work at different speeds. I found it fascinating.
– Peter Ajtai
Dec 9 '10 at 10:47
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Reference: What is variable scope, which variables are accessible from where and what are “undefined
...hat of superglobals, including the commonly used $_POST, $_GET, $_SESSION, etc. These variables are arrays that are always available, in any scope, without a global declaration.
For example, this function will print out the name of the user running the PHP script. The variable is available to the f...
Set cURL to use local virtual hosts
...lookup returned the data in your command-line option. It works just like /etc/hosts should.
Note --resolve takes a port number, so for HTTPS you would use
curl --resolve 'yada.com:443:127.0.0.1' https://yada.com/something
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getenv() vs. $_ENV in PHP
...or the getenv function, this is because there are three ways that PHP can fetch the environment variable:
Via sapi_getenv (e.g. if it's getting the environment variable from Apache)
If on Windows, from GetEnvironmentVariableA.
If on non-Windows, from the getenv function provided by libc.
As far ...
Dynamically generating a QR code with PHP [closed]
...he Google API?. I mean limitations as: amount of requests in a given time, etc.
– Lobo
Sep 27 '12 at 15:11
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How can I parse a JSON file with PHP? [duplicate]
...f an object. And with that array, you can do whatever you want, like loops etc.
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PHP memory profiling
...libjudydebian1
sudo pecl install memprof
echo "extension=memprof.so" > /etc/php5/mods-available/memprof.ini
sudo php5enmod memprof
service apache2 restart
And then in my code:
<?php
memprof_enable();
// do your stuff
memprof_dump_callgrind(fopen("/tmp/callgrind.out", "w"));
Finally open t...
Returning JSON from PHP to JavaScript?
...d then print it, assing it to a variable for later use, save it to a file, etc... You can read more about return in PHP: Returning values. Also you can (and should!) check for what each function you don't know returns, see our example json_encode() it states Returns a JSON encoded string on success ...
Path of assets in CSS files in Symfony 2
I have a CSS file with some paths in it (for images, fonts, etc.. url(..) ).
6 Answers
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