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What steps can be taken to improve code quality and prevent errors when attempting to display column headers in PHP?

When attempting to display column headers in PHP, it is important to ensure that the code is well-structured and error-free. One way to improve code quality and prevent errors is to use proper HTML markup for displaying the headers. This includes using the <th> tag within a <tr> element to define each column header.

php 
<table>
    <tr>
        <th>Column 1</th>
        <th>Column 2</th>
        <th>Column 3</th>
    </tr>
    <tr>
        <td>Data 1</td>
        <td>Data 2</td>
        <td>Data 3</td>
    </tr>
</table>

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