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What is the best method to merge two PHP objects?
We have two PHP5 objects and would like to merge the content of one into the second. There are no notion of subclasses between them so the solutions described in the following topic cannot apply.
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Why check both isset() and !empty()
... @karim IMO empty is one of the most misunderstood functions in PHP. The tiny snippet about "no warning is generated" is very easy to overlook. I had to scan the documentation myself a few times to spot it to post it here.
– deceze♦
Dec 30 '10 at 4...
instantiate a class from a variable in PHP?
...r as I can tell) must declare the full namespace path of a class.
MyClass.php
namespace com\company\lib;
class MyClass {
}
index.php
namespace com\company\lib;
//Works fine
$i = new MyClass();
$cname = 'MyClass';
//Errors
//$i = new $cname;
//Works fine
$cname = "com\\company\\lib\\".$cname...
App Inventor 2 试验组件 · App Inventor 2 中文网
...t 的输出）。
方法
对话(question)
向聊天机器人询问问题，连续的对话将记住先前对话中的信息，使用 重置对话 方法重置开始新的对话。
重置对话()
重置当前对话，聊天机器人在回复时会忘记之前的任何对话。
Fireb...
通信连接组件 · App Inventor 2 中文网
...果与服务器的连接丢失（不是服务器关闭，而是 wifi 连接问题），则不会有任何事件触发（但崩溃现已修复）。
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Checking for empty arrays: count vs empty
This question on ' How to tell if a PHP array is empty ' had me thinking of this question
12 Answers
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What is the “->” PHP operator called and how do you say it when reading code out loud? [closed]
What do you call this arrow looking -> operator found in PHP?
16 Answers
16
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PDO closing connection
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According to documentation you're correct (http://php.net/manual/en/pdo.connections.php):
The connection remains active for the lifetime of that PDO object. To
close the connection, you need to destroy the object by ensuring that
all remaining references to it are de...
Convert a PHP object to an associative array
... (what you asked for) it's fine.
Also see this in-depth blog post:
Fast PHP Object to Array conversion
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How do I Sort a Multidimensional Array in PHP [duplicate]
...s[$key] = $row[0];
}
array_multisort($dates, SORT_DESC, $mdarray);
For PHP >= 5.5.0 just extract the column to sort by. No need for the loop:
array_multisort(array_column($mdarray, 0), SORT_DESC, $mdarray);
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