Guide to using php statements in dedecms, dedecmsphp statement guide
In DEDECMS, if you use php statement, there is {dede:php} tag that can be used. The simplest input is like
Copy code The code is as follows:
{dede:php}
$numA = 1;
$numB = 2;
echo $numA + $numB;
{/dede:php}
It can be seen from the above statement that the dede:php tag can be used in the same way in PHP. The above statement is written as follows in PHP
Copy code The code is as follows:
$numA=1;
$numB=2;
echo $numA+$numB;
?>
Does it look similar? Let’s look at another one with an if else condition
Copy code The code is as follows:
[field:global runphp='yes' name=autoindex]
$a="";
$b="";
$c="<(www.jb51.net)SPAN class='num'>";
if (@me > 3) @me = $c.@me.$b;
else @me = $a.@me.$b;
[/field:global]
I won’t write how to write this in php. Next we will look at the use of dede php tags in combination with sql tags.
Combined with SQL query to output a single piece of content
Copy code The code is as follows:
{dede:php}
$row = $dsql->GetOne('select id,typename from dede_arctype where id=2');
print_r($row);
{/dede:php}
The content of this output is
Copy code The code is as follows:
Array
(
[id] => 2
[typename] => Q&A
)
Isn’t it very simple? Friends who need to learn can refer to this article.
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