The difference between and in php
The difference between = ?> and in php
<? ?>是短标签 <?php ?>是长标签 在php的配置文件(php.ini)中有一个short_open_tag的值(开启on),开启以后可以使用PHP的短标签:<? ?> 同时,只有开启这个才可以使用 <?= 以代替 <? echo 。在CodeIgniter的视频教程中就是用的这种方式。 但是这个短标签是不推荐的,使用<?php ?>才是规范的方法。只是因为这种短标签使用的时间比较长,这种特性才被保存了下来
The above introduces the difference between = ?> and in PHP, including the relevant content. I hope it will be helpful to friends who are interested in PHP tutorials.

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