How Should You Indent PHP and HTML Code for Maximum Readability and Correct Output?

PHP/HTML Mixed Code: Indentation Best Practices

When intermingling PHP and HTML, developers often encounter a dilemma regarding indentation. Should the focus be on presenting well-formatted PHP/HTML code for readability or achieving proper HTML indentation for the output?

To address this, it's recommended to indent both PHP and HTML independently, adhering to their respective coding styles. This approach ensures both readability and correct output HTML.

For example, consider the following code:

<table border="1">
<?php foreach ($rows as $row): ?>
    <tr>
        <?php if ($row['active']): ?>
            <td><?= $row['name'] ?></td>
        <?php else: ?>
            <td><?php echo $row['name'] ?></td>
        <?php endif ?>
    </tr>
<?php endforeach ?>
</table>

Indentation prioritizes the readability of both the PHP and HTML code. The HTML structure is rendered properly, and the PHP expressions are cleanly laid out. Consequently, the output HTML will also have correct indentation.

Benefits of Independent Indentation:

• Facilitates code readability and maintenance
• Maintains the integrity of PHP syntax and HTML structure
• Prevents confusion between code indentation and output formatting
• Simplifies code review and collaboration

In conclusion, when working with mixed PHP/HTML code, developers should prioritize the independent indentation of both languages. This approach ensures both code clarity and correct output presentation.

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