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# Cookiebot upgrade guide |
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## version 3 to version 4 |
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### Breaking changes |
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- The `cookiebot_addons_list` filter hook was renamed to `cybot_cookiebot_addons_list` and the initial/expected value has been restructured. |
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- The `cookiebot_addons_language` filter hook was renamed to `cybot_cookiebot_addons_language`. |
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- The `cookiebot_addons_embed_source` filter hook was renamed to `cybot_cookiebot_addons_embed_source`. |
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- The `cookiebot_addons_embed_placeholder` filter hook was renamed to `cybot_cookiebot_addons_embed_placeholder`. |
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- The `cookiebot_embed_regex` filter hook was renamed to `cybot_cookiebot_embed_regex`. |
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- The `cookiebot_embed_default_regex` filter hook was renamed to `cybot_cookiebot_embed_default_regex`. |
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### Deprecations |
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### non-namespaced globals |
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PHP namespaces were not used in the Cookiebot plugin before version 4. |
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The following globals are now deprecated and will be removed in the next major version update. |
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Please use the namespaced version instead when supporting the Cookiebot plugin in your own plugin, or when implementing a new add-on. |
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- class `\Cookiebot_WP` (The plugin's main class) |
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- moved to namespace: `cybot\cookiebot\lib\Cookiebot_WP` [](../src/lib/Cookiebot_WP.phpsrc/lib/Cookiebot_WP.php](../src/lib/Cookiebot_WP.php](../src/lib/Cookiebot_WP.php) |
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- deprecation: `\Cookiebot_WP` [](../src/lib/global-deprecations.phpsrc/lib/global-deprecations.php](../src/lib/global-deprecations.php](../src/lib/global-deprecations.php) |
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- function `\cookiebot_assist` (Helper function to update your scripts) |
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- moved to namespace: `cybot\cookiebot\lib\cookiebot_assist` [](../src/lib/helper.phpsrc/lib/helper.php](../src/lib/helper.php](../src/lib/helper.php) |
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- deprecation: `\cookiebot_assist` [](../src/lib/global-deprecations.phpsrc/lib/global-deprecations.php](../src/lib/global-deprecations.php](../src/lib/global-deprecations.php) |
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- function `\cookiebot_active` (Helper function to check if cookiebot is active. Useful for other plugins adding support for Cookiebot.) |
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- moved to namespace: `cybot\cookiebot\lib\cookiebot_active` [](../src/lib/helper.phpsrc/lib/helper.php](../src/lib/helper.php](../src/lib/helper.php) |
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- deprecation: `\cookiebot_active` [](../src/lib/global-deprecations.phpsrc/lib/global-deprecations.php](../src/lib/global-deprecations.php](../src/lib/global-deprecations.php) |
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- function `\cookiebot` (Returns the main instance of Cookiebot_WP to prevent the need to use globals.) |
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- moved to namespace: `cybot\cookiebot\lib\cookiebot` [](../src/lib/helper.phpsrc/lib/helper.php](../src/lib/helper.php](../src/lib/helper.php) |
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- deprecation: `\cookiebot` [](../src/lib/global-deprecations.phpsrc/lib/global-deprecations.php](../src/lib/global-deprecations.php](../src/lib/global-deprecations.php) |
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