大约有 20,000 项符合查询结果（耗时：0.0262秒） [XML]
PHP array: count or sizeof?
To find the number of elements in a PHP $array , which is faster/better/stronger?
7 Answers
...
Calculate relative time in C#
...m, while this code may work it is incorrect and invalid to assume that the order of the keys in the Dictionary will be in a specific order. The Dictionary uses the Object.GetHashCode() which does not return a long but an int!. If you want these to be sorted then you should use a SortedList<long, ...
Is either GET or POST more secure than the other?
... delete stuff, even if it requires an administrator, will happily obey the orders of the (non-malicious!) web accelerator and delete everything it sees.
Confused deputy attack
A confused deputy attack (where the deputy is the browser) is possible regardless of whether you use a GET or a POST request...
GCM with PHP (Google Cloud Messaging)
How can I integrate the new Google Cloud Messaging in a PHP backend?
13 Answers
13
...
How to check whether mod_rewrite is enable on server?
...
To check if mod_rewrite module is enabled, create a new php file in your root folder of your WAMP server. Enter the following
phpinfo();
Access your created file from your browser.
CtrlF to open a search. Search for 'mod_rewrite'. If it is enabled you see it as 'Loaded Modules'
I...
Convert from MySQL datetime to another format with PHP
...oking for a way to normalize a date into MySQL format, use the following
$phpdate = strtotime( $mysqldate );
$mysqldate = date( 'Y-m-d H:i:s', $phpdate );
The line $phpdate = strtotime( $mysqldate ) accepts a string and performs a series of heuristics to turn that string into a unix timestamp.
T...
Pass a PHP string to a JavaScript variable (and escape newlines) [duplicate]
What is the easiest way to encode a PHP string for output to a JavaScript variable?
14 Answers
...
What's faster, SELECT DISTINCT or GROUP BY in MySQL?
...he output, and GROUP BY by default does. However, in MySQL even a DISTINCT+ORDER BY might still be faster than a GROUP BY due to the extra hints for the optimizer as explained by SquareCog.
– rustyx
Jan 25 '15 at 15:03
...
How to make asynchronous HTTP requests in PHP
Is there a way in PHP to make asynchronous HTTP calls? I don't care about the response, I just want to do something like file_get_contents() , but not wait for the request to finish before executing the rest of my code. This would be super useful for setting off "events" of a sort in my application...
Multi-line strings in PHP
...
PHP has Heredoc and Nowdoc strings, which are the best way to handle multiline strings in PHP.
http://php.net/manual/en/language.types.string.php#language.types.string.syntax.heredoc
$str = <<<EOD
Example of string...