Smarty intercepts the string, calls the steps in php, and runs the foreach loop.

Smarty intercepts strings and calls methods in php. foreach loop 1. smarty truncate string & nbsp; code & nbsp; & lt; {$ content | truncate: 30: & quot ;... & q smarty intercepts the string, calls the method in php, and runs the foreach loop.

1. smarty truncated string

Code in html <{$ content | truncate: 30: "..."}>

Cut the $ content string by 30 characters, and use "..." to replace the subsequent content.

 

2. smarty calls methods in php

Code in html<{$ Content | sub}>

Pass $ content as a variable to the method sub in php (the php page here is the php page on the display html page)

Code in php

Function sub ($ con ){

Return "123 ";

}

?>

If you want to pass multiple parameters to the methods on the php page

The codes <{$ content | sub: "aa": "bb"}> aa and bb in html are the second and third parameters.

Pass $ content as a variable to the method sub in php (the php page here is the php page on the display html page)

Code in php

Function sub ($ con, $ aa, $ bb ){

Return "123 ";

}

?>

3. foreach loop

<{Foreach item = arr from = $ row}> $ row is an array passed from the php page.

<{$ Arr. name}>

<{/Foreach}>