How does the handling of <?= differ in various PHP versions?

In PHP versions before 5.4.0, the shorthand `<?=` for echoing variables was not always enabled by default. To ensure compatibility across different PHP versions, it's recommended to use the full `<?php echo` syntax instead. However, in PHP 5.4.0 and later versions, the shorthand `<?=` is always enabled, making it safe to use without any issues. 

// Use full syntax to echo variables for compatibility with older PHP versions
&lt;?php echo $variable; ?&gt;

Keywords

PHP short tags echo version compatibility syntax differences

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