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1.4 KiB
1.4 KiB
Tag {set}
The tag {set} is used for assigning template variables during the execution of a template.
{set $var=EXPR}
{set $var}
... any content ...
{/set}
{set $var|modifiers}
... any content ...
{/set}
Variable names follow the same rules as other labels in PHP. A valid variable name starts with a letter or underscore, followed by any number of letters, numbers, or underscores.
{set $v = 5}
{set $v = "value"}
{set $v = $x+$y}
{set $v = 4}
{set $v = $z++ + 1}
{set $v = --$z}
{set $v = $y/$x}
{set $v = $y-$x}
{set $v = $y*$x-2}
{set $v = ($y^$x)+7}
Works this array too
{set $v = [1,2,3]}
{set $v = []}
{set $v = ["one"|upper => 1, 4 => $x, "three" => 3]}
{set $v = ["key1" => $y*$x-2, "key2" => ["z" => $z]]}
Getting function result into variable
{set $v = count([1,2,3])+7}
Fetch the output of the template into variable
{set $v}
Some long {$text|trim}
{/set}
{set $v|escape} {* apply modifier to variable*}
Some long {$text|trim}
{/set}
{add}
The tag {add} the same tag as {set} except that sets the value of the variable if it does not exist.
{add $var = 'value'}
instead of
{if $var is not set}
{set $var = 'value'}
{/if}
{var}
Old name of tag {set}. Currently tag {var} the same tag as {set}.