Php Datetime

Today found that the deder MYSQL time field, are used `senddata` int (10) unsigned NOT NULL DEFAULT '0'; Then find this article online, it seems that if the time field is involved in the operation, int better, a To retrieve the field without conversion operations, directly for time comparison! Second, the efficiency is higher as described below. In the final analysis: int instead of the data type, more efficient. Environment: Windows XP PHP Versio ...

PHP Ads Click Statistics Code, last night there are several IDC network to work with this site to put some ads, but I want to see the effect of advertising after the write a simple advertising statistics code, here is only the statistics can not IP restrictions or nausea click and so on. First, create the database. CREATE TABLE IF not EXISTS ' ad_count ' (' ad_id ' int (8) Not NULL auto_increment, ' Ad_h ...

The database holds one or more tables. Create a Database The CREATE DATABASE statement is used to create a database in MySQL. Syntax CREATE DATABASE database_name In order for PHP to execute the above statement, we must use the mysql_query () function. This function is used to send queries or commands to the MySQL connection. Example In the following example, we create a database named "my_db": ...

Today to introduce six more useful MySQL SQL statements, probably many people through PHP to achieve these functions. 　　1. Calculate the number of years you want to figure out how old this person is by birthdays. 　　SELECT Date_format (From_days to_days (now ())-To_days (@dateofbirth)), '%Y ' + 0; 2. Two time difference to obtain two datetime value difference. Suppose dt ...

Read_exif_data (PHP4 >= 4.0.1) read_exif_data---&http://www.aliyun.com/zixun/aggregation/37954.html "> nbsp; To read EXIF header syntax from a JPEG graphics file: Array read_exif_data (string filename) Description: Read_exi ...

Visifire is a Chart component based on Silverlight, Visifire offers the Silverlight 2 Chart component of Open Source, follows the GPL v3, and can be used in ASP, ASP.net, PHP, JSP, Codefusion, Ruby on Rails, and HTML. The supported chart types are quite numerous (support pie, histogram, circle, area, etc.). V ...