What are the potential issues with using "<?" instead of "<?php" in PHP code?

Using "<?" instead of "<?php" can cause compatibility issues with certain server configurations where short tags are not enabled. To ensure maximum compatibility, it is recommended to always use "<?php" to open PHP code blocks. If short tags are necessary, it is advisable to enable them in the php.ini configuration file. 

&lt;?php
// Code goes here
?&gt;

Keywords

short tags PHP code syntax error compatibility security vulnerability

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