Thinkphp template tag if and eq differences and comparison instance Analysis _ PHP Tutorial

Thinkphp template tag if and eq differences and comparison instance analysis. Thinkphp template tag if and eq differences and comparison example analysis this article describes the Thinkphp template tag if and eq differences and comparison. Share it with you for your reference. The specific analysis is as follows: Thinkphp template tag if and eq differences and comparison instance analysis

This article describes the differences and comparison between the Thinkphp template tag if and eq. Share it with you for your reference. The specific analysis is as follows:

In the TP template language. Both if and eq can be used for variable comparison. Summarize the following points:

1. Comparison of two variables:

?

1

2

　　

The IF statement of the former fails to be judged, and the latter's (Or . Note: $ variable is not required for name, and $ variable is required for value.

2. when the value is NULL:

?

1

2 Just a test

　　 Just a test

The IF statement of the former fails to be judged, and the latter's (Or Can recognize null ""

3. when the multi-dimensional array has a subscript of 0:

?

1

2 Just a test

　　 Just a test

The former cannot be compiled by using IF, and the latter eq can be used.

I hope this article will help you with ThinkPHP-based php programming.

Examples in this article describes the differences and comparison between the Thinkphp template tag if and eq. Share it with you for your reference. The specific analysis is as follows :...