What are the best practices for ensuring proper syntax and formatting in PHP when working with image attributes?

When working with image attributes in PHP, it is important to ensure proper syntax and formatting to avoid errors. One common issue is not properly concatenating variables within image attributes. To solve this, you can use double quotes to enclose the attribute values and concatenate variables using the "." operator. 

<?php
$imageUrl = "image.jpg";
$altText = "This is an image";
echo "<img src='" . $imageUrl . "' alt='" . $altText . "'>";
?>

Keywords

PHP image attributes syntax formatting validation

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