大约有 17,000 项符合查询结果（耗时：0.0325秒） [XML]
Possibility of duplicate Mongo ObjectId's being generated in two different collections?
...ing in Mongo itself, it is possible to have duplicate _id's generated with PHP in Mongo.
The use-case where this has happened with regularity for me is when I'm looping through a dataset and attempting to inject the data into a collection.
The array that holds the injection data must be explicitl...
How to check whether an array is empty using PHP?
...
An empty array is falsey in PHP, so you don't even need to use empty() as others have suggested.
<?php
$playerList = array();
if (!$playerList) {
echo "No players";
} else {
echo "Explode stuff...";
}
// Output is: No players
PHP's empty()...
What is Common Gateway Interface (CGI)?
...onment variables.
In your case you most likely used another, specific for PHP, means of communication between your scripts and the webserver, this, as you well mention in your question, is an embedded interpreter called mod_php.
So, answering your questions:
What exactly is CGI?
See above.
...
Uber5岁了，一次性告诉你它的商业之道 - 资讯 - 清泛网 - 专注C/C++及内核技术
...们发誓要推出一款革命性的智能应用。
虽然由一个简单问题出发，Uber却代表了更深层次的转型：通过无处不在的智能手机平台，重新整合信息与服务、劳动力与服务需求者，直至改变未来世界商业的许多方面。
没有哪个公司...
PDO support for multiple queries (PDO_MYSQL, PDO_MYSQLND)
...
As I know, PDO_MYSQLND replaced PDO_MYSQL in PHP 5.3. Confusing part is that name is still PDO_MYSQL. So now ND is default driver for MySQL+PDO.
Overall, to execute multiple queries at once you need:
PHP 5.3+
mysqlnd
Emulated prepared statements. Make sure PDO::ATTR_EM...
download file using an ajax request
...ownload. Instead, you could use a success function to navigate to download.php. This will open the download prompt but won't change the current page.
$.ajax({
url: 'download.php',
type: 'POST',
success: function() {
window.location = 'download.php';
}
});
Even though this ...
Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
In PHP, you can do...
62 Answers
62
...
Convert HTML + CSS to PDF [closed]
...tten in C++ and therefore much faster and much less of a resource hog than PHP based implementation.
– Koobz
Feb 15 '10 at 12:36
...
Do I have to guard against SQL injection if I used a dropdown?
... {
// Not Expected
}
Then use mysqli_* if you are using a version of php >= 5.3.0 which you should be, to save your result. If used correctly this will help with sql injection.
share
|
impr...
How to output in CLI during execution of PHP Unit tests?
When running a PHPUnit test, I would like to be able to dump output so I can debug one or two things.
17 Answers
...