The include (or require) statement takes all the text/code/markup that exists in the specified file and copies it into the file that uses the include statement. Including files is very useful when you want to i
However, the script will experience a fatal error when it attempts to require database.php. As a result, the code after our failed require statementis not executedand no call to database_connection() is ever made. Should I use include or require? Some PHP developers will advise you to us...
# index.php (in document root (/usr/share/nginx/html)) include__DIR__.'/../src/includeFile.php'; Before using php's include, require, include_once or require_once statements, you should learn more about Local File Inclusion (also known as LFI) and Remote File Inclusion (also known a...
(PHP 4, PHP 5, PHP 7, PHP 8)The include expression includes and evaluates the specified file. The documentation below also applies to require. Files are included based on the file path given or, if none is given, the include_path specified. If the file isn't found in the include_path...
<?php // Insecure Include // The following Include statement will // include and execute the base64 encoded // payload. Here this is just phpinfo() include "data:;base64,PD9waHAgcGhwaW5mbygpOz8+"; ?> 把这些放到我们的运算里面将会非常明显的发现既不是url_allow_fopen也不是url_allor_incl...
require require_once 控制结构 在线手册:中文 英文PHP手册include() include() 语句包含并运行指定文件。 以下文档也适用于 require()。这两种结构除了在如何处理失败之外完全一样。include() 产生一个警告而require() 则导致一个致命错误。换句话说,如果想在遇到丢失文件时停止处理页面就用 require()。include()...
Performance:Use require_once for critical files that must exist. Source PHP include_once Documentation This tutorial covered PHP include_once with practical examples showing file inclusion patterns, path handling, and error management in PHP applications. ...
Theinclude()statement includes and evaluates the specified file. The documentation below also applies torequire(). Files are included based on the file path given or, if none is given, theinclude_pathspecified. Theinclude()construct will emit awarningif it cannot find a file; this is different...
(PHP 4, PHP 5, PHP 7) include语句包含并运行指定文件。 以下文档也适用于require。 被包含文件先按参数给出的路径寻找,如果没有给出目录(只有文件名)时则按照include_path指定的目录寻找。如果在include_path下没找到该文件则include最后才在调用脚本文件所在的目录和当前工作目录下寻找。如果最后仍未找到文件则in...
You shoulduse requireif you need the script to throw a fatal error and stop executing whenever the specified file does not exist. So, both include and require have unique use cases, so think carefully before using them in your code.