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How do I create a copy of an object in PHP?
It appears that in PHP objects are passed by reference. Even assignment operators do not appear to be creating a copy of the Object.
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Calling closure assigned to object property directly
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As of PHP7, you can do
$obj = new StdClass;
$obj->fn = function($arg) { return "Hello $arg"; };
echo ($obj->fn)('World');
or use Closure::call(), though that doesn't work on a StdClass.
Before PHP7, you'd have to implem...
How can I select and upload multiple files with HTML and PHP, using HTTP POST?
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This is possible in HTML5. Example (PHP 5.4):
<!doctype html>
<html>
<head>
<title>Test</title>
</head>
<body>
<form method="post" enctype="multipart/form-data">
<input ...
Check if PHP session has already started
I have a PHP file that is sometimes called from a page that has started a session and sometimes from a page that doesn't have session started. Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines:
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What does the variable $this mean in PHP?
I see the variable $this in PHP all the time and I have no idea what it's used for. I've never personally used it.
10 An...
无法解析的外部符号 _MiniDumpWriteDump@28，MiniDumpWriteDump lib文件 - ...
...clude <DbgHelp.h>#pragma comment(lib, "Dbghelp.lib") 解决链接失败的问题MiniDumpWriteDump是MS DbgHelp.dll 中一个API, 用于导出当前运行的程序的Dump。
#include <DbgHelp.h>
#pragma comment(lib, "Dbghelp.lib") 解决链接失败的问题
MiniDumpWriteDump lib文件
Using $_POST to get select option value from HTML
... Where do I put the $selectOption = $_POST['taskOption']; I put it in the php but it does nothing....
– Yunfei Chen
2 days ago
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how to delete all cookies of my website in php
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PHP setcookie()
Taken from that page, this will unset all of the cookies for your domain:
// unset cookies
if (isset($_SERVER['HTTP_COOKIE'])) {
$cookies = explode(';', $_SERVER['HTTP_COOKIE']);
foreach($cookies as ...
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.
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Best way to allow plugins for a PHP application
I am starting a new web application in PHP and this time around I want to create something that people can extend by using a plugin interface.
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