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How to determine the first and last iteration in a foreach loop?
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@Twan How is point #3 right? Or relevant at all to this question since it involves HTML? This is a PHP question, clearly... and when it comes to mark-up semantics, it's down to a much deeper facts than "a proper blahblah is always better than blahblah (this is not even...
Getting raw SQL query string from PDO prepared statements
Is there a way to get the raw SQL string executed when calling PDOStatement::execute() on a prepared statement? For debugging purposes this would be extremely useful.
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How to set HTTP header to UTF-8 using PHP which is valid in W3C validator?
...HTTP header:
header('Content-Type: text/html; charset=utf-8');
Note to call this function before any output has been sent to the client. Otherwise the header has been sent too and you obviously can’t change it any more. You can check that with headers_sent. See the manual page of header for mor...
simple explanation PHP OOP vs Procedural?
...sonal preference.
OOP and Procedural programming are simply two main, generally-recognized methodologies, for how to organize and arrange those "chunks" of code.
Long No-Jargon Answer:
Procedural vs OOP is just one aspect of a fundamental issue of computer programming: how to make your code easy...
Automatic post-registration user authentication
...istration flow: after the user creates an account, they should be automatically logged in with those credentials, instead of being immediately forced to provide their credentials again.
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GCM with PHP (Google Cloud Messaging)
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curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($post));
// Actually send the request
$result = curl_exec($ch);
// Handle errors
if (curl_errno($ch)) {
echo 'GCM error: ' . curl_error($ch);
}
// Close curl handle
curl_close($ch);
// Debug GCM res...
Going from a framework to no-framework [closed]
...3rd-party ads/badges/videos. Already in WebKit. Likely to be at least partially implemented in Firefox 11.)
Content Security Policy (Firefox 4's new security framework, complimentary to the sandbox attribute. Now also being implemented in Chrome.)
If you're accepting HTML as input, I recommend gr...
Remove non-utf8 characters from string
...eplacement is whatever was captured into group 1. This effectively removes all invalid bytes.
It is possible to repair the string, by encoding the invalid bytes as UTF-8 characters. But if the errors are random, this could leave some strange symbols.
$regex = <<<'END'
/
(
(?: [\x00-...
How to allow to accept only image files?
...t is very sketchy on mobiles (as of 2015) and by some reports this may actually prevent some mobile browsers from uploading anything at all, so be sure to test your target platforms well.
For detailed browser support, see http://caniuse.com/#feat=input-file-accept
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How does the SQL injection from the “Bobby Tables” XKCD comic work?
...t'); DROP TABLE STUDENTS; --) and the last name textbox LName.Text (let's call it Derper) are concatenated with the rest of the query, the result is now actually two queries separated by the statement terminator (semicolon). The second query has been injected into the first. When the code executes...