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Difference between and
... get submitted.
Sample HTML form (index.html):
<form action="checkout.php" method="POST">
<!-- this won't get submitted despite being named -->
<input type="button" name="button1" value="a button">
<!-- this one does; so the input's TYPE is important! -->
<inpu...
Two-way encryption: I need to store passwords that can be retrieved
...there is much more to note...
How do I encrypt and decrypt a password in PHP?
See below for a strong class that takes care of everything for you:
What is the safest algorithm to encrypt the passwords with?
safest? any of them. The safest method if you're going to encrypt is to protect against ...
How can I count all the lines of code in a directory recursively?
We've got a PHP application and want to count all the lines of code under a specific directory and its subdirectories. We don't need to ignore comments, as we're just trying to get a rough idea.
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PHP regular expressions: No ending delimiter '^' found in
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PHP regex strings need delimiters. Try:
$numpattern="/^([0-9]+)$/";
Also, note that you have a lower case o, not a zero. In addition, if you're just validating, you don't need the capturing group, and can simplify the rege...
How do I create a comma-separated list from an array in PHP?
...ut it's always a pain having to take off the final comma. Is there an easy PHP way of doing it?
12 Answers
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PHP variables in anonymous functions
I was playing around with anonymous functions in PHP and realized that they don't seem to reach variables outside of them.
Is there any way to get around this problem?
...
Using Custom Domains With IIS Express
...et an error here you may need to disable IIS 5/6/7/8, change IIS's Default Site to anything but port :80, make sure Skype isn't using port 80, etc.)
Optionally: Set the Start URL to http://dev.example.com
Open %USERPROFILE%\My Documents\IISExpress\config\applicationhost.config (Windows XP, Vista,...
Tar a directory, but don't store full absolute paths in the archive
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tar -cjf site1.tar.bz2 -C /var/www/site1 .
In the above example, tar will change to directory /var/www/site1 before doing its thing because the option -C /var/www/site1 was given.
From man tar:
OTHER OPTIONS
-C, --directory DIR...
How to convert an image to base64 encoding?
...ts("/path/to/image.jpg");
// alternatively specify an URL, if PHP settings allow
$base64 = base64_encode($imagedata);
bear in mind that this will enlarge the data by 33%, and you'll have problems with files whose size exceed your memory_limit.
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Reset PHP Array Index
I have a PHP array that looks like this:
3 Answers
3
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