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Diffstat (limited to 'docs/content/en/functions/isset.md')
| -rw-r--r-- | docs/content/en/functions/isset.md | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/docs/content/en/functions/isset.md b/docs/content/en/functions/isset.md index aa36f6dac..9c00c15fc 100644 --- a/docs/content/en/functions/isset.md +++ b/docs/content/en/functions/isset.md @@ -1,30 +1,22 @@ --- title: isset -linktitle: isset description: Returns true if the parameter is set. -date: 2017-02-01 -publishdate: 2017-02-01 -lastmod: 2017-02-01 categories: [functions] menu: docs: - parent: "functions" + parent: functions keywords: [] signature: ["isset COLLECTION INDEX", "isset COLLECTION KEY"] -workson: [] -hugoversion: relatedfuncs: [] -deprecated: false -aliases: [] --- Takes either a slice, array, or channel and an index or a map and a key as input. -``` +```go-html-template {{ if isset .Params "project_url" }} {{ index .Params "project_url" }}{{ end }} ``` -{{% warning %}} -All site-level configuration keys are stored as lower case. Therefore, a `myParam` key-value set in your [site configuration file](/getting-started/configuration/) needs to be accessed with `{{if isset .Site.Params "myparam"}}` and *not* with `{{if isset .Site.Params "myParam"}}`. Note that you can still access the same config key with `.Site.Params.myParam` *or* `.Site.Params.myparam`, for example, when using [`with`](/functions/with). +{{% note %}} +All site-level configuration keys are stored as lower case. Therefore, a `myParam` key-value set in your [site configuration file](/getting-started/configuration/) needs to be accessed with `{{ if isset .Site.Params "myparam" }}` and *not* with `{{ if isset .Site.Params "myParam" }}`. Note that you can still access the same config key with `.Site.Params.myParam` *or* `.Site.Params.myparam`, for example, when using [`with`](/functions/with). This restriction also applies when accessing page-level front matter keys from within [shortcodes](/content-management/shortcodes/). -{{% /warning %}} +{{% /note %}} |