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Are PDO prepared statements sufficient to prevent SQL injection?
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The short answer is NO, PDO prepares will not defend you from all possible SQL-Injection attacks. For certain obscure edge-cases.
I'm adapting this answer to talk about PDO...
The long answer isn't so easy. It's based off an attack demonstrated here.
The Attack
So, let's start off b...
nginx error connect to php5-fpm.sock failed (13: Permission denied)
...or /etc/php/7.0/fpm/pool.d/www.conf, depending on your version.
Uncomment all permission lines, like:
listen.owner = www-data
listen.group = www-data
listen.mode = 0660
Restart fpm - sudo service php5-fpm restart or sudo service php7.0-fpm restart
Note: if your webserver runs as user other than...
Convert number to month name in PHP
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The recommended way to do this:
Nowadays, you should really be using DateTime objects for any date/time math. This requires you to have a PHP version >= 5.2. As shown in Glavić's answer, you can use the following:
$monthNum = 3;
$dateObj = DateTime::createFromFormat('!m',...
Reference assignment operator in PHP, =&
...rror changes made to another, instead of copying the existing data.
It's called assignment by reference, which, to quote the manual, "means that both variables end up pointing at the same data, and nothing is copied anywhere".
The only thing that is deprecated with =& is "assigning the result ...
In PHP what does it mean by a function being binary-safe?
...ing is more specific, referring only to what Michael gives as an example.
All strings in PHP have a length associated, which are the number of bytes that compose it. When a function manipulates a string, it can either:
Rely on that length meta-data.
Rely on the string being null-terminated, i.e.,...
What is JSONP, and why was it created?
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It's actually not too complicated...
Say you're on domain example.com, and you want to make a request to domain example.net. To do so, you need to cross domain boundaries, a no-no in most of browserland.
The one item that bypasses ...
Replacing all non-alphanumeric characters with empty strings
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Use [^A-Za-z0-9].
Note: removed the space since that is not typically considered alphanumeric.
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Check whether a request is GET or POST [duplicate]
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I've experienced environments where PHP doesn't actively set the $_POST global, so I agree that using the above method works much more reliably.
– Nathan Crause
Jul 5 '17 at 15:52
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Gmail's new image caching is breaking image links in newsletter
...d also you have fixed some permissions against protected images.
You are all done now. Now you try to run your php-email script once again. As a result you receive another email in your Gmail or Hotmail inbox. you had fixed all the issues with your images. Now the images must be displayed in your ...
In PHP, what is a closure and why does it use the “use” identifier?
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This is how PHP expresses a closure. This is not evil at all and in fact it is quite powerful and useful.
Basically what this means is that you are allowing the anonymous function to "capture" local variables (in this case, $tax and a reference to $total) outside of it scope and...