doing_filter( string|null $hook_name = null ): bool

Description

Parameters

$hook_namestring|nulloptional

Filter hook to check. Defaults to null, which checks if any filter is currently being run.Default: null

Return

bool

Whether the filter is currently in the stack.

Used by · 5

• _wp_filter_font_directory()A callback function for use in the {@see 'upload_dir'} filter.
• do_blocks()Parses dynamic blocks out of `post_content` and re-renders them.
• doing_action()Returns whether or not an action hook is currently being processed.
• wp_get_loading_attr_default()Gets the default value to use for a `loading` attribute on an element.
• wp_get_loading_optimization_attributes()Gets loading optimization attributes.

Source

View on Trac ↗View on GitHub ↗

396function doing_filter( $hook_name = null ) {397	global $wp_current_filter;398 399	if ( null === $hook_name ) {400		return ! empty( $wp_current_filter );401	}402 403	return in_array( $hook_name, $wp_current_filter, true );404}

History

Introduced in 3.9.0. Unchanged from 6.7.7 through 7.1.0.

1. 6.7.7
2. 6.8.8
3. 6.9.7
4. 7.0.4
5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

About this page

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