大约有 37,000 项符合查询结果(耗时:0.0315秒) [XML]

https://stackoverflow.com/ques... 

Can you use if/else conditions in CSS?

... your stylesheet with your favourite server-side language. If you're using PHP, serve a style.css.php file, that looks something like this: p { background-position: <?php echo (@$_GET['foo'] == 'bar')? "150" : "4"; ?>px 8px; } In this case, you will however have a performance impact, sinc...
https://stackoverflow.com/ques... 

How do I send a POST request with PHP?

... CURL-less method with PHP5: $url = 'http://server.com/path'; $data = array('key1' => 'value1', 'key2' => 'value2'); // use key 'http' even if you send the request to https://... $options = array( 'http' => array( 'header' =...
https://stackoverflow.com/ques... 

How to encrypt/decrypt data in php?

I'm currently a student and I'm studying PHP, I'm trying to make a simple encrypt/decrypt of data in PHP. I made some online research and some of them were quite confusing(at least for me). ...
https://stackoverflow.com/ques... 

PHP Remove elements from associative array

I have an PHP array that looks something like this: 9 Answers 9 ...
https://stackoverflow.com/ques... 

The character encoding of the HTML document was not declared

...ur HTML tags and doctype go away. You need to include those in your insert.php file: <!DOCTYPE html PUBLIC"-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="content-type" ...
https://stackoverflow.com/ques... 

PHP - how to create a newline character?

In PHP I am trying to create a newline character: 15 Answers 15 ...
https://stackoverflow.com/ques... 

php $_POST array empty upon form submission

I have a custom CMS i've built that works perfectly on my dev box (Ubuntu/PHP5+/MySQL5+). 27 Answers ...
https://stackoverflow.com/ques... 

What's wrong with using $_REQUEST[]?

...to the much more sensible GP (no C) order with the request_order config in PHP 5.3. Where this is not possible, I personally would avoid $_REQUEST and, if I needed a combined GET+POST array, create it manually. share ...
https://stackoverflow.com/ques... 

Create or write/append in text file

...s: $txt = "user id date"; $myfile = file_put_contents('logs.txt', $txt.PHP_EOL , FILE_APPEND | LOCK_EX); share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

PDO closing connection

... According to documentation you're correct (http://php.net/manual/en/pdo.connections.php): The connection remains active for the lifetime of that PDO object. To close the connection, you need to destroy the object by ensuring that all remaining references to it are de...