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Checking if an instance's class implements an interface?
... "Yes!";
}
class_implements() is part of the SPL extension.
See: http://php.net/manual/en/function.class-implements.php
Performance Tests
Some simple performance tests show the costs of each approach:
Given an instance of an object
Object construction outside the loop (100,000 iterations)
_...
高并发服务端分布式系统设计概要 - C/C++ - 清泛网 - 专注C/C++及内核技术
...拆分），并时刻不要忘记备份、扩展、意外处理等讨厌的问题。说起来都比较简单，但设计和实现起来，就会比较困难。以前我的文章，都是“从整到零”的方式来设计一个系统，这次咱们就反着顺序来。
那我们首先来看，我...
How to convert array values to lowercase in PHP?
How can I convert all values in an array to lowercase in PHP?
10 Answers
10
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How to access remote server with local phpMyAdmin client?
... I am curious what form should the link have I want to enter in browser in order to access a database via phpMyAdmin that is installed on a server of my client who hosts a website himself.
– Garavani
May 29 '18 at 7:03
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Sort an Array by keys based on another Array?
...e this? How would you go about writing a function? Here is an example. The order is the most important thing.
15 Answers
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Python append() vs. + operator on lists, why do these give different results?
...st. Specifically, it appends each of the elements of sequence in iteration order.
An aside
Being an operator, + returns the result of the expression as a new value. Being a non-chaining mutator method, list.extend() modifies the subject list in-place and returns nothing.
Arrays
I've added this due t...
File Upload without Form
..., can I just send a file/files from <input type="file"> to 'upload.php' using POST method using jQuery. The input tag is not inside any form tag. It stands individually. So I don't want to use jQuery plugins like 'ajaxForm' or 'ajaxSubmit'.
...
Find out HTTP method in PHP [duplicate]
...e superglobals alternatives (Is using superglobals directly good or bad in PHP? and similar questions), one may instead use automatic sanitizing
filter_input( \INPUT_SERVER, 'REQUEST_METHOD', \FILTER_SANITIZE_SPECIAL_CHARS )
(you might of course use other filter, eg. FILTER_SANITIZE_STRING - see ...
How to avoid isset() and empty()
... information in a somewhat better structured form: The Definitive Guide To PHP's isset And empty
IMHO you should think about not just making the app "E_NOTICE compatible", but restructuring the whole thing. Having hundreds of points in your code that regularly try to use non-existent variables so...
json_encode/json_decode - returns stdClass instead of Array in PHP
...'s JSON, not JSAAN. :)
So PHP has to convert your array into an object in order to encode into JSON.
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