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51 lines
985 B
Markdown
51 lines
985 B
Markdown
Tag {macro}
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===========
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Macros are comparable with functions in regular programming languages.
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They are useful to put often used HTML idioms into reusable elements to not repeat yourself.
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### {macro}
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Macros can be defined in any template using tag `{macro}`.
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```smarty
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{macro plus($x, $y, $z=0)}
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x + y + z = {$x + $y + $z}
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{/macro}
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```
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```smarty
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{macro.plus x=$num y=100}
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```
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```smarty
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{macro plus($x, $y, $z=0)}
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...
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{macro.plus x=2 y=$y}
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...
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{/macro}
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```
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### {import}
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Macros can be defined in any template, and need to be "imported" before being used.
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The above import call imports the "math.tpl" file (which can contain only macros, or a template and some macros),
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and import the functions as items of the `macro` namespace.
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```smarty
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{import 'math.tpl'}
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{macro.plus x=1 y=3}
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```
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Use another namespace instead of `macro`
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```smarty
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{import 'math.tpl' as math}
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...
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{math.plus x=5 y=100}
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```
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```smarty
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{import [plus, minus, exp] from 'math.tpl' as math}
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``` |