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87 lines
4.0 KiB
Markdown
87 lines
4.0 KiB
Markdown
{insert} {#language.function.insert}
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========
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> **Note**
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>
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> `{insert}` tags are deprecated from Smarty, and should not be used.
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> Put your PHP logic in PHP scripts or plugin functions instead.
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> **Note**
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>
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> As of Smarty 3.1 the `{insert}` tags are only available from
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> [SmartyBC](#bc).
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`{insert}` tags work much like [`{include}`](#language.function.include)
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tags, except that `{insert}` tags are NOT cached when template
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[caching](#caching) is enabled. They will be executed on every
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invocation of the template.
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Attribute Name Type Required Default Description
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---------------- -------------- ---------- --------- ----------------------------------------------------------------------------------
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name string Yes *n/a* The name of the insert function (insert\_`name`) or insert plugin
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assign string No *n/a* The name of the template variable the output will be assigned to
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script string No *n/a* The name of the php script that is included before the insert function is called
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\[var \...\] \[var type\] No *n/a* variable to pass to insert function
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Let\'s say you have a template with a banner slot at the top of the
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page. The banner can contain any mixture of HTML, images, flash, etc. so
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we can\'t just use a static link here, and we don\'t want this contents
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cached with the page. In comes the {insert} tag: the template knows
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\#banner\_location\_id\# and \#site\_id\# values (gathered from a
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[config file](#config.files)), and needs to call a function to get the
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banner contents.
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{* example of fetching a banner *}
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{insert name="getBanner" lid=#banner_location_id# sid=#site_id#}
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{insert "getBanner" lid=#banner_location_id# sid=#site_id#} {* short-hand *}
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In this example, we are using the name "getBanner" and passing the
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parameters \#banner\_location\_id\# and \#site\_id\#. Smarty will look
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for a function named insert\_getBanner() in your PHP application,
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passing the values of \#banner\_location\_id\# and \#site\_id\# as the
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first argument in an associative array. All {insert} function names in
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your application must be prepended with \"insert\_\" to remedy possible
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function name-space conflicts. Your insert\_getBanner() function should
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do something with the passed values and return the results. These
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results are then displayed in the template in place of the {insert} tag.
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In this example, Smarty would call this function:
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insert\_getBanner(array(\"lid\" =\> \"12345\",\"sid\" =\> \"67890\"));
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and display the returned results in place of the {insert} tag.
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- If you supply the `assign` attribute, the output of the `{insert}`
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tag will be assigned to this template variable instead of being
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output to the template.
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> **Note**
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>
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> Assigning the output to a template variable isn\'t too useful with
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> [caching](#variable.caching) enabled.
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- If you supply the `script` attribute, this php script will be
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included (only once) before the `{insert}` function is executed.
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This is the case where the insert function may not exist yet, and a
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php script must be included first to make it work.
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The path can be either absolute, or relative to
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[`$trusted_dir`](#variable.trusted.dir). If security is enabled,
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then the script must be located in the `$trusted_dir` path of the
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securty policy. See the [Security](#advanced.features.security)
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section for details.
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The Smarty object is passed as the second argument. This way you can
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reference and modify information in the Smarty object from within the
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`{insert}` function.
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If no PHP script can be found Smarty is looking for a corresponding
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insert plugin.
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> **Note**
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>
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> It is possible to have portions of the template not cached. If you
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> have [caching](#caching) turned on, `{insert}` tags will not be
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> cached. They will run dynamically every time the page is created, even
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> within cached pages. This works good for things like banners, polls,
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> live weather, search results, user feedback areas, etc.
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See also [`{include}`](#language.function.include)
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