Analysis of variable reference and variable destruction mechanism in PHP, PHP destruction
This paper analyzes the variable reference and the mechanism of variable destruction in PHP. Share to everyone for your reference. The specific analysis is as
#一, PHP variable definition: Variables are used to store values, such as numbers, text strings or arrays, V: string/integer/double/array/object
Naming rules:
1. The variable name of PHP is case-sensitive. 2. The variable name must begin with $3,
a more comprehensive set of PHP tutorials , basic video and some small combat projects, below is the video directoryCD-ROM (i) \php employment Class (I.)CD-ROM (i) \php Technical exchange zone. URLCD-ROM (i) \ "Wisdom Special issue" belongs to it
Php pre-defined variable help (with instance ). From php4.1.0, the preferred method for getting external variables is to use the Superglobal variables mentioned below. Prior to this, people were either dependent on register_globals, or long
The preferred method for php to obtain external variables is to use the hyperglobal variables mentioned below. Prior to this, people were either dependent on register_globals or long pre-defined PHP array ($ HTTP _ * _ VARS ). From PHP5.0.0, PHP
The preferred method for php to obtain external variables is to use the hyperglobal variables mentioned below. Prior to this, people were either dependent on register_globals or long pre-defined PHP array ($ HTTP _ * _ VARS ). Starting from PHP5.0.0
Now the development of the site to use the Smarty framework template, feel very good, better realize the PHP source code and the separation of HTML. Now share some common variables of smarty.
1, smarty_dir SMARTY directory
Locate the full system
PHP Tutorial Configuration Chinese Narration
Let's see what you see, php.ini.
[PHP]
;;;;;;;;;;;; WARNING;;;;;;;;;;;;; This is the default settings file for new PHP installations.; By default, PHP installs itself with a configuration suitable for;
Php obtains the php server variable in the current url path.
Programming in php to obtain the current url address and server variables mainly uses the following global variables: $ _ server ["query_string"], $ _ server ["request_uri"], $ _
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