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51 lines
1.3 KiB
Markdown
51 lines
1.3 KiB
Markdown
# WP_CLI::do_hook()
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Execute callbacks registered to a given hook.
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***
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## Usage
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WP_CLI::do_hook( $when, $args )
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<div>
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<strong>$when</strong> (string) Identifier for the hook.<br />
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<strong>...$args</strong> (mixed) Optional. Arguments that will be passed onto the<br />
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<strong>@return</strong> (null|mixed) the first optional argument if optional<br />
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</div>
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***
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## Notes
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See `WP_CLI::add_hook()` for details on WP-CLI's internal hook system.
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Commands can provide and call their own hooks.
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callback provided by `WP_CLI::add_hook()`.
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arguments were passed, otherwise returns null.
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*Internal API documentation is generated from the WP-CLI codebase on every release. To suggest improvements, please submit a pull request.*
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***
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## Related
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<ul>
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<li><strong><a href="https://make.wordpress.org/cli/handbook/internal-api/wp-cli-add-hook/">WP_CLI::add_hook()</a></strong> - Schedule a callback to be executed at a certain point.</li>
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<li><strong><a href="https://make.wordpress.org/cli/handbook/internal-api/wp-cli-add-wp-hook/">WP_CLI::add_wp_hook()</a></strong> - Add a callback to a WordPress action or filter.</li>
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<li><strong><a href="https://make.wordpress.org/cli/handbook/internal-api/wp-cli-add-command/">WP_CLI::add_command()</a></strong> - Register a command to WP-CLI.</li>
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</ul>
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