What does this symbol mean in PHP <?=

What does this symbol mean in PHP <?= ?

Example usage:

<h2>Manage Role: > (<?= $myACL->getRoleNameFromID($_GET['roleID']); ?>)</h2> 

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It's functionally the same as <?php echo $myACL->getRoleNameFromID($_GET['roleID']); ?> <?php echo $myACL->getRoleNameFromID($_GET['roleID']); ?>

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To add to Mark's answer: The short_tags option must be enabled for the <?= syntax to be valid. This presents a major portability problem when moving to a server that has this option disabled.

See the PHP Manual for more info on short tags

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It's the PHP Short Tag equivalent of printing.

From the PHP INI:

Using short tags is discouraged when developing code meant for redistribution ; since short tags may not be supported on the target server.

See "Are PHP Short Tags Acceptable to Use?" on StackOverflow.

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