{$field} – Hook | Developer.WordPress.org

apply_filters( “{$field}”, mixed $value, int $post_id, string $context )

Filters the value of a specific post field for display.

Description

The dynamic portion of the hook name, $field, refers to the post field name.

$valuemixed: Value of the prefixed post field.
$post_idint: Post ID.
$contextstring: Context for how to sanitize the field.
Accepts 'raw', 'edit', 'db', 'display', 'attribute', or 'js'. Default 'display'.

$value = apply_filters( "{$field}", $value, $post_id, $context );

Used by	Description
sanitize_user_field()`wp-includes/user.php`	Sanitizes user field based on context.
sanitize_post_field()`wp-includes/post.php`	Sanitizes a post field based on context.
sanitize_bookmark_field()`wp-includes/bookmark.php`	Sanitizes a bookmark field.

Version	Description
2.3.0	Introduced.

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