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What is the difference between is_a and instanceof?
...ut PHP versions >= 5.3.9 now accept an optional third boolean argument $allow_string (defaults to false) to allow comparisons of string class names instead:
class MyBaseClass {}
class MyExtendingClass extends MyBaseClass {}
// Original behavior, evaluates to false.
is_a(MyExtendingClass::class,...
What is an abstract class in PHP?
...re interface. Also interfaces are a special case of abstract classes where ALL methods are abstract.
See this section of the PHP manual for further reference.
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PHP Get Site URL Protocol - http vs https
...wered Dec 21 '10 at 19:38
profitphpprofitphp
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How to destroy an object?
... objects as soon as the page is served. So this should only be needed on really long loops and/or heavy intensive pages.
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通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...义。在继续之前，不妨先介绍一下案例的背景情况：一个PHP网站，以读为主，原本躲在CDN后面，运行很稳定，后来新增了很多强调个性化的需求，便去掉了CDN，进而导致系统稳定性受到影响。因为历史包袱重，所以完全废弃以前...
JavaScript/jQuery to download file via POST with JSON data
...d single-page webapp. It communicates with a RESTful web service via AJAX calls.
14 Answers
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HTTP authentication logout via PHP
...ecification (section 15.6):
Existing HTTP clients and user agents typically retain authentication
information indefinitely. HTTP/1.1. does not provide a method for a
server to direct clients to discard these cached credentials.
On the other hand, section 10.4.2 says:
If the request...
continue processing php after sending http response
My script is called by server. From server I'll receive ID_OF_MESSAGE and TEXT_OF_MESSAGE .
12 Answers
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json_encode is returning NULL?
...ser didn't solve my problem. For those in same situation, here is how I finally handled this error:
Just utf8_encode each of your results.
while($row = mysql_fetch_assoc($result)){
$rows[] = array_map('utf8_encode', $row);
}
Hope it helps!
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Authenticating in PHP using LDAP through Active Directory
...users through LDAP with PHP (with Active Directory being the provider). Ideally, it should be able to run on IIS 7 ( adLDAP does it on Apache). Anyone had done anything similar, with success?
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