The difference between include and require in PHP, Includerequire
1. Overview
The performance of the Require () statement is similar to include (), which includes and runs the specified file. The difference is that, for the include () statement, it
One, what is the use?
Server side contains (Server Side Include,ssi) is used to create functions, headers, footers, or elements that can be reused on multiple pages. The Include file reuses the file and saves a lot of work.
Second, how
The Include and require statements are also used to reference files to PHP code.There is a huge difference between include and require:Include statement references a file and PHP cannot find it, the script will continue to executeThe script
With the include or require statement, you can insert the contents of a php file into another PHP file (before the server executes it).The Include and require statements are the same, in addition to error handling:
Require generates a fatal
The difference between include () and require () is believed to be the most basic problem in PHP. it is also a mandatory question for many companies during interviews. Review: require (): If the file does not exist, a fatalerror is reported. stop
Include and require in php are accidentally seen today.
In PHP, the include () and require () functions are the same, but there are some differences in usage. include () is a conditional inclusion function, while require () it is an unconditional
Difference between include and require in PHP, phpincluderequire
The difference between include and require is actually not much different. If the file to be included does not exist, include prompts notice and continues to execute the following
In PHP, include () and require () have the same functions. include (include_once) and require (require_once) both read the included file code to the specified location, however, there is a difference in their usage: (include () is a conditional
The difference between include and require in PHP is described in detail.1. Summary
The performance of the require () Statement is similar to that of include (), which includes and runs the specified file. The difference is that for the include ()
The difference between include and require, in fact, there is not much difference between the two, if the file to be included does not exist, include prompt notice, and then continue to execute the following statement, require prompt fatal error and
One, what is the use?
Server-side inclusions (server Side Include,ssi) are used to create functions, headers, footers, or elements that can be reused on multiple pages. The Include file reuses the file and saves a lot of work.
Second, how
1, require is loaded before the program interpretation is executed, the content that is loaded is used frequently during the execution of the program interpretation, and the include is used in the interpretation of the execution of certain content
I. The differences between include and require in PHP1. Include is loaded at the time of use2. Require load from the beginning3. The _once suffix indicates that the load is not loaded4. When the include introduces a file, it encounters an error,
What is the difference between statement include and require?
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What is the difference between statement include and require?
It's clearly written in the manual, I'll copy it.
The following documents also apply to require ().
An explanation of the differences between include and require in PHP
An explanation of the differences between include and require in PHP?
1. Overview
The performance of the Require () statement is similar to include (), which includes and runs
PHP learning practices --- difference between include and require --- using derequire
The include and require keywords in PHP can both contain another script file in one script file, but there are several differences between the two:
1. include
1. How to refer to a fileFor include (), files are read and evaluated every time the include () is executed, and for require (), the file is processed only once (in fact, the file contents replace the Require () statement. This means that if you
The following is transferred from: 51089785There are too many differences between the include and require in PHP. In fact, is not can not withstand the verification. Feel free to find one of the following:Also vowed to explain:include () is a
In PHP, include () and require () have the same functionality, include (include_once) and require (require_once) are to read the included file code into the specified location, But there is a difference between the two: (Include () is a conditional
Nclude ()The include () statement includes and runs the specified file.
The following documents also apply to require (). The two structures are exactly the same except how to handle failures. Include () produces a warning and require () causes a
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