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Handling Non ASCII Characters - Overview
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1
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3
(Continued from previous part...)
ASCII Characters in PHP Pages
As I mentioned earlier, ASCII characters can travel from PHP files to browsers
easily without any trouble. Here is a simple PHP file with ASCII characters only:
<?php #HelpASCII.php
# Copyright (c) 2005 by Dr. Herong Yang, http://www.herongyang.com/
#
print("<html><body>\n");
print("<b>Help</b><br/>\n");
print("This is a very simple help page...<br/>\n");
?>
This is a very simple help page...<br/>
</body></html>
If you view this page with a browser, you will get the following output:
Help
This is a very simple help page...
This is a very simple help page...
Perfect, right? ASCII text entered as a PHP string literal travels through correctly.
Text entered as HTML static text outside the PHP block travels through also correctly.
Conclusion
- In a Web application, characters must travel through different paths involving a number of programs
and systems.
- ASCII characters have no problems to travel through different programs and systems.
- Non ASCII characters must be encoded into a safe format to travel through different programs and systems.
- Tutorial notes are provided in the next 5 chapters for handling non ASCII characters in different areas:
HTML documents, PHP string literals, HTML input forms, PHP string functions, and MySQL databases.
Part:
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3
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