To paste the test code directly:
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Class Moshu { public function Moshu () { echo ' current class name: '. __class__. ""; echo ' Current method name: '. __function__. ""; The number
In Excel: 40847 corresponds to 2011-10-31, which is a numeric representation of dates.
In PHP, echo date (' y-m-d h:i:s ', 40847);/Results 1970-01-01 11:52:30
Reason:
PHP's time function is calculated from the 1970-1-1 day, in seconds. But Excel
Today in a blog source to see $str{1} This way of writing, of course, very do not understand what the meaning of the results after the test found that the character interception, below to give you a few examples.
The code is as follows
Let's do an experiment to show that the problem exists.
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$f = 0.58;Var_dump (Intval ($f * 100.0));
Maybe you think he's going to output 58, but actually he's outputting 57.The
Erver_name corresponds to the server_name in the Nginx configuration file by Fastcgi_param settings, such as the domain name pointing to IP instead of setting the corresponding nginx in server_name,php for null server_name. If there are multiple
Using the PHP built-in function array_unshift, the following is an enumeration of the use of the Array_unshift function.
Array_unshift
The function is to insert one or more elements at the beginning of the array. Added elements as a whole add the
If, according to General thinking, every time we operate on a pawn, such as a tank, we have to use if to judge his state, so there will be a lot of if,else or Swith in the code.
But we can see that what we need is his behavior in a certain state,
Example
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$mem = new Memcache;$mem->connect (' 127.0.0.1 ', 11211) or die ("could not Connect");$mem->set (' key ', ' This is a test! ', 0, 60);$val = $mem->get (' key ');Echo $val;?>
When we play, we will find that because there are only three races in the interstellar race, there are only dozens of units in the class.
Although the remaining blood of each individual soldier is different, the image animation of the same class is
The problem to be solved: without understanding the structure of the map code, we want the player to edit the map themselves.
Thought: For the player, he is familiar with the crystal ore, Highland These shapes, he and the system through the mouse
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Get the last character of a character$str = ' 111cn.net ';echo $str [Strlen ($STR)-1]; MModify the first character$str = ' 111cn.net ';$str [0] = ' a '; Ahpddt.comThe number in square brackets out of
The characteristics of a single case pattern:
1. The constructor needs to be marked private (access control: To prevent external code from using the new operator to create an object), the Singleton class cannot be instantiated in other classes and
When you use PHP to develop a Web site, you sometimes use the root directory of the current Web site, such as a file:
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Include_once ("./includefile.php");
So what should you
Let's take a look at this piece of code:
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$f = 0.58;Var_dump (Intval ($f * 100)); Why output 57?>
Why is the output 57?
I believe that a lot of students have had such a question,
example, single form content sending and receiving
We all want to implement content sending or receiving we first need a form, which is the form tag, which is the front end HTML code.
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Error Tip:
PHP.ini Register_globals must is off! in Dedecms installation The solution
Reason Analysis:
All we need to do is change the register_globals in PHP to ON.
Solutions
In your php.ini find register_globals = on modified to OFF
1. The method that invokes the stored procedure.
A. If the stored procedure has a in/inout parameter, declares a variable, enters the parameter to the stored procedure, and the variable is a pair of
A PHP variable (also can not be, just do not
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