How to solve the problem of symbol error that keeps getting reported?

private $_specialWhiteList = [

<code>    'table' =>  'table|tbody|thead|tfoot|tr|td|th'
];
运行时老是报错syntax error, unexpected '['
该怎么解决啊？





</code>

Reply content:

private $_specialWhiteList = [

<code>    'table' =>  'table|tbody|thead|tfoot|tr|td|th'
];
运行时老是报错syntax error, unexpected '['
该怎么解决啊？





</code>

The PHP version is too low, resulting in syntax incompatibility.
Solution 1: Upgrade PHP to 5.4 or above
Solution 2: Replace [] with array()