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Smarty - the compiling PHP template engine

Chapter 8. Custom Functions

Attribute Name	Type	Required	Default	Description
name	string	No	default	The name of the counter
start	number	No	1	The initial number to start counting from
skip	number	No	1	The interval to count by
direction	string	No	up	the direction to count (up/down)
print	boolean	No	true	Whether or not to print the value
assign	string	No	n/a	the template variable the output will be assigned to

counter is used to print out a count. counter will remember the count on each iteration. You can adjust the number, the interval and the direction of the count, as well as determine whether or not to print the value. You can run multiple counters concurrently by supplying a unique name for each one. If you do not supply a name, the name 'default' will be used.

If you supply the special "assign" attribute, the output of the counter function will be assigned to this template variable instead of being output to the template.

Example 8-2. counter

{* initialize the count *}
{counter start=0 skip=2 print=false}

{counter}<br>
{counter}<br>
{counter}<br>
{counter}<br>

OUTPUT:

2<br>
4<br>
6<br>
8<br>