Thinkphp Special Label Usage overview _ php instance

This article mainly introduces the usage of thinkphp special labels, and analyzes the usage of tags such as in, between, present, and Empty, which has some reference value, for more information about the ThinkPHP special tag usage, see the example in this article. Share it with you for your reference. The specific analysis is as follows:

Special labels:

1. compare tags

Equal to eq or equal

Neq or notequal is not equal

Gt>

Egt greater than or equal

Lt is less

Elt less than or equal

Heq constant equals

Nheq is not always equal

2. range tag

In

The code is as follows:

In these numbers Not within the range of these numbers

In these numbers Not within the range of these numbers

Between

The code is as follows:

Between {$ n} and 1-10 {$ N} is not between 1 and 10.

3. present

Label to determine whether the template variable has been assigned a value

The code is as follows:

M has a value assignment. M is not assigned a value.

4. Empty

Empty tag determines whether the template variable is empty

The code is as follows:

N is null N value

5. Defined

Determine whether a constant has been defined

6. Define

Define constants in the template

7. Assing

Variable assignment in the template

Other labels:

1. directly use PHP code in the template

The code is as follows:

Echo "this is my home"

2. it is recommended to change the left and right delimiters.

Change in configuration file

The code is as follows:

'Tmpl _ L_DELIM '=>' <{', // modify the left delimiter

'Tmpl _ R_DELIM '=>'}> ', // modify the right delimiter

I hope this article will help you with ThinkPHP framework programming.