How to Indent Mixed PHP/HTML Code for Clarity?

Indenting Mixed PHP/HTML Code for Clarity

When working with a combination of PHP and HTML, determining the appropriate indentation style can be a challenge. Should you format the code to ensure proper indentation in the resulting HTML or for readability of the PHP/HTML mix?

For optimal code organization and legibility, both the PHP and HTML should be indented independently, maintaining correct formatting within their respective sections. This ensures clarity in both the source code and the displayed HTML:

<table>
<?php foreach ($rows as $row): ?>
    <tr>
    <?php if ($row->foo()): ?>
        <?php echo $row; ?>
    <?php else: ?>
        Something else
    <?php endif; ?>
    </tr>
<?php endforeach; ?>
</table>

In this example, the PHP and HTML are each indented correctly within their own sections, resulting in organized and readable code:

• PHP code is indented with four spaces, making it easy to identify loops and conditions.
• HTML code is indented with two spaces, preserving its proper indenting in the rendered HTML document.

By adhering to this methodology, you can maintain readability and consistency throughout your mixed PHP/HTML codebase.

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