Recent projects have a function that requires time-consuming tasks to run in the background, although PHP is not very suitable for a resident daemon, but because the main code is based on the PHP implementation, if the daemon running in the
This article uses several examples. to identify the difference between using commas (,) for echo in php programming and using a dot. for more information about echo strings, see echo strings. better connection. The reason is not mentioned. let's
PHP code performance optimization tips. PHP code Performance Optimization 1. do not just copy Variables. sometimes, to make PHP code more clean, some new PHP users (including me) will copy the predefined variables to a name that is simpler.
PHP code
BBS (php & amp; mysql) full version (1 ). This page is say. php? Includesignupmysql. inc; if ($ id1) {$ sqlselect * from $ tablewhere; returns question $ resultmysql_query ($ SQL) ordie (mysql_error (); $ rowmysql // This page is say. php
Include
1. introduction CentOS6.2 the system opens 6 consoles and a graphical interface by default. Switching and management operations on them can greatly improve work efficiency. opening multiple graphical interfaces is also very interesting. II. Details 1
Run ipcs-m to view the current shared memory usage. The sections are described as follows:
View shared memory segments
Run ipcs-m to view the current shared memory usage. Each part is explained as follows:
Key: The unique key value of the shared
Five practical tips for optimizing php performance using the php performance optimization method:
The following are five optimization skills that will be helpful for development after you have mastered them.
1. use single quotes for strings
Rsync + SSH Incremental backup file in FreeBSD system
There are two machines. One is called a server and the other is called a backup machine. How can we copy the server data to the backup machine on a daily or regular basis? The powerful functions
As the usage of video conferencing continues to increase, everyone has higher and higher requirements on video conferencing. For video conferencing, everyone will say that video is important. In fact, this is not the case, audio is the most
Php socket Usage Details, phpsocket details
The examples in this article detail the socket usage in php and share them with you for your reference. The usage is as follows:
1. Enable socket
Phpinfo (); check whether socket extension is enabled;
1. Do not copy variables at will.
Sometimes, to make PHP code more clean, some new PHP users (including me) will copy the predefined variables to a variable with a shorter name, in fact, the result is a doubling of the memory consumption, which only
Recent projects have a function that requires time-consuming tasks to run in the background, although PHP is not very suitable for a resident daemon, but because the main code is based on the PHP implementation, if the daemon running in the
This article has compiled 13 PHP functions that are extremely practical. functions are a powerful source of PHP, but many PHP functions are not fully utilized, you must master the 13 PHP functions in this article.
1. PHP encryption and
** I recently encountered some minor problems in my self-taught php. I am very grateful for all the good guys! ** The first case is normal. There is no content output before the header (), and the image can be displayed normally after being
// This page is "say. php"Include "signup/mysql. inc ";If ($ id1 ){$ SQL = "select * from $ table where id = '$ id1'"; // a reply question is displayed.$ Result = mysql_query ($ SQL) or die (mysql_error ());$ Row = mysql_fetch_array ($ result );$
A linux mysql full backup, Incremental backup and recovery script implementation program. If you need it, you can refer to it and make it a regular backup.
A linux mysql full backup, Incremental backup and recovery script implementation program. If
JSON format and serialize serialization, jsonserializeI. JSON formatting
1. What is JSON?
JSON is a data storage format used to communicate the interaction between client Javascript and server PHP. We can transmit the JSON string generated in PHP to
Since the previous article, "PHP upload Chinese file name garbled problem" encountered the issue of file upload, simply put PHP upload files often encountered several problems summed up it, later use when you do not have to look for.
1. Make a
in the absence of contact with the design mode, are for the specific implementation of programming, read the database news directly write a database-based method, read the recommended news and then write an XML-based method, there is no relationship
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