A brief introduction to php's this and self

This is a very important part in js. This article mainly shares with you a brief introduction to this and self in php. I hope it can help you.

static  $t_follow = 'df_shop_follow';

• this can only refer to external public, and internal public variables

$this->t_follow

• self can only access the current The static variable of the page

self::$t_channel

• this has greater access rights than self

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