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What Are the Differences Between PSR-0 and PSR-4?

...in src/Acme/Foo/Bar.php while in PSR-4 it will look for it in src/Bar.php, allowing for shorter directory structures. On the other hand some prefer to have the full directory structure to clearly see what is in which namespace, so you can also say that Acme\Foo\ is in src/Acme/Foo with PSR-4 which w...
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Replacing all non-alphanumeric characters with empty strings

... Use [^A-Za-z0-9]. Note: removed the space since that is not typically considered alphanumeric. share | improve this answer | follow | ...
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What does PHP keyword 'var' do?

...tants states that var must not be used, and visibility must be declared on all properties. – Charles Wood Nov 11 '19 at 14:23 ...
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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...
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Enable Vim Syntax Highlighting By Default

...your $HOME as .vimrc. It switches on a lot of basic stuff for you automatically (syntax, search highlighting, backup etc). You can then tweak it based on your needs. – oyenamit Jun 30 '12 at 14:51 ...
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Convert number to month name in PHP

... 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',...
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How to send an email using PHP?

...d also use PHPMailer class at https://github.com/PHPMailer/PHPMailer . It allows you to use the mail function or use an smtp server transparently. It also handles HTML based emails and attachments so you don't have to write your own implementation. The class is stable and it is used by many other ...
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How does PHP 'foreach' actually work?

...r the simplest case is Traversable objects, as for these foreach is essentially only syntax sugar for code along these lines: foreach ($it as $k => $v) { /* ... */ } /* translates to: */ if ($it instanceof IteratorAggregate) { $it = $it->getIterator(); } for ($it->rewind(); $it->v...
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How to pop an alert message box using PHP?

... send to the client's browser. PHP is a server-side language. This is what allows it do things like INSERT something into a database on the server. But an alert is rendered by the browser of the client. You would have to work through javascript to get an alert. ...
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GCM with PHP (Google Cloud Messaging)

... 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...