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How to use php to call another page
In php, you can use the include or require function instructions to introduce another page A page (such as a.php).
<?php include 'a.php'; ..... ?>
include (or require) statement takes all text/code/tags present in the specified file and copies them to the file using the include statement.
Included files are useful if you need to reference the same PHP, HTML, or text on multiple pages of your website.
PHP include and require statements
The include or require statements allow you to insert the contents of a PHP file into another PHP file (before the server executes it).
include and require statements are identical, except for error handling:
require generates a fatal error (E_COMPILE_ERROR) and stops the script
include generates only a warning (E_WARNING), and the script continues
So if you wish to continue execution and output results to the user even if the included file is missing, then use include. Otherwise, in frameworks, CMS, or complex PHP application programming, always use require to reference key files to the execution flow. This helps improve application security and integrity in the event that a critical file is accidentally lost.
Including files saves a lot of work. This means you can create standard header, footer or menu files for all pages. Then, when the header needs updating, you simply update the header include file.
Grammar
include 'filename';
or
require 'filename';
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