Last month I specifically introduced the PHP introductory tutorial on the basic syntax of PHP introductory learning, mainly introduced several commonly used PHP tags, the composition of PHP statements, PHP comments, and so on, today's PHP
Generally from the data cycle out of the selection box to handle whether it is selected is to use if to judge, resulting in a heap of code, the speed is too slow.
I made a closure to share with everyone, hope to be useful to everyone.
Code:
Method 1: According to the official manual, if the PHP tutorial's Safe Mode settings are too harsh, there is a scenario where the file does not exist, even if it is false.Because the server side of the php.ini we can not manipulate, when using
when developing a system using the OO pattern in PHP, it is often customary to store implementations of each class in a separate file, which makes it easy to reuse classes and facilitates future maintenance. This is also one of the basic ideas of OO
It is believed that the Internet has become an indispensable part of people's life. Ajax,flex and so on the application of rich clients makes people more "happy" experience many of the original can only be implemented in C/s functions. Google, for
This is a simple use of PHP design chat room program, the purpose is through this program to familiarize everyone familiar with the form of PHP processing data!
This well-designed web chat room uses variables that are passed from the table conveys
This article mainly describes the PHP file upload with the relevant configuration of knowledge points. PHP File Upload function Configuration mainly involves the php.ini configuration file in the Upload_tmp_dir, Upload_max_filesize, post_max_size
MySQL Tutorial export database tutorials several ways
Method One
CMD to the MySQL Bin directory with the following command mysqldump--opt-h192.168.0.156-uusername-ppassword--skip-lock-tables databasename> Database.sql
It's okay to change IP to
In the construction of PHP website, the maintenance of MySQL database is the daily work, MySQL database import and export to achieve backup function is one of them, in the previous PHP tutorial I introduced a number of MySQL command to maintain the
This article mainly introduces the PHP magic method of using the example (PHP magic function), need friends can refer to the following The code is as follows:/** PHP treats all class methods that start with __ (two underscores) as magic methods.
Even if you're using PHP for years, you'll stumble across functions and functions that you never knew about. Some of them are very useful, but not fully utilized. Not everyone will read the manual and function references from beginning to end.
1,
PHP Tutorial: A way to study bulk data deletion.
SQL: $SQL = "Delete from ' doing ' where ID in (' 1,2,3,4 ')";
Data is separated by commas.
Form:
Good $id_dele=$_post[' Id_dele ' will be an array, although PHP is a weak type, but
Direct use of file_get_contents, will be an error;
Program code $url = (https://xxx.com ");
File_get_contents ($url);
Error:
Program code warning:file_get_contents (https://xxx.com) [function.file-get-contents]: failed to open stream:no such
Yesterday, I shared a PHP tutorial on how to configure the session function in php.ini in PHP website development, today continue to share some key php.ini configuration when using PHP to upload the file.
Speaking of the file upload in the php.ini
It's been a long time since I've had a problem with PHP, and this is a bit of an issue, and it's the biggest retrospective and recursive limitation of old problems. After learning it is not difficult to modify debugging has such a problem. Mainly
SQL GROUP BY syntax and instance
GROUP BY statement
The GROUP BY statement is used to combine aggregate functions to group result sets based on one or more columns.
SQL GROUP BY syntax
Select column_name, aggregate_function (column_name)
From
recently encountered questions about building word, now summarize the information about the three ways to build word, and the friends you need can refer to the following First, PHP to generate word of the two ideas or principles 1. Take
The reason may be: PHP for the ntext type of MSSQL support problem;
Today, you can link to the database, but cannot read the data. Google, Baidu After finally know, the original is the PHP read MSSQL ntext field back value is empty, we suggest that
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