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Docs for Requirements::block()

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https://github.com/silverstripe/silverstripe-framework/pull/2685/files
Thanks to @Firesphere for staring this!
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Ingo Schommer 2013-11-29 18:27:26 +01:00
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docs/en/reference/requirements.md
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@ -112,6 +112,24 @@ You can also clear specific Requirements:
Caution: Depending on where you call this command, a Requirement might be *re-included* afterwards.
## Blocking
Requirements can also be explicitly blocked from inclusion,
which is useful to avoid conflicting JavaScript logic or CSS rules.
These blocking rules are independent of where the `block()` call is made:
It applies both for already included requirements, and ones
included after the `block()` call.
One common example is to block the core `jquery.js` include
added by various form fields and core controllers,
and use a newer version in a custom location.
:::php
Requirements::block(THIRDPARTY_DIR . '/jquery/jquery.js');
Caution: The CMS also uses the `Requirements` system, and its operation can be
affected by `block()` calls. Avoid this by limiting the scope of
your blocking operations, e.g. in `init()` of your controller.
## Inclusion Order