查看PHP以字母"E"开头的常量

1、E_ALL

<?php
echo E_ALL;
?>

32767

2、E_COMPILE_ERROR

<?php
echo E_COMPILE_ERROR;
?>

64

3、E_COMPILE_WARNING

<?php
echo E_COMPILE_WARNING;
?>

128

4、E_CORE_ERROR

<?php
echo E_CORE_ERROR;
?>

16

5、E_CORE_WARNING

<?php
echo E_CORE_WARNING;
?>

16

6、E_DEPRECATED

<?php
echo E_DEPRECATED;
?>

8192

7、E_ERROR

<?php
echo E_ERROR;
?>

1

8、E_NOTICE

<?php
echo E_NOTICE;
?>

8