post_(field) │ filter-hook │ WP 2.3.0

Filters the value of a specific post field for display.

Only applied to post fields name which is not prefixed with post_.

The dynamic portion of the hook name, $field, refers to the post field name. Possible filter names include:

• post_ID
• post_comment_status
• post_ping_status
• post_to_ping
• post_pinged
• post_guid
• post_menu_order
• post_comment_count

Usage

add_filter( 'post_(field)', 'wp_kama_post_field_filter', 10, 3 );

/**
 * Function for `post_(field)` filter-hook.
 * 
 * @param mixed  $value   Value of the unprefixed post field.
 * @param int    $post_id Post ID
 * @param string $context Context for how to sanitize the field. Accepts 'raw', 'edit', 'db', 'display', 'attribute', or 'js'.
 *
 * @return mixed
 */
function wp_kama_post_field_filter( $value, $post_id, $context ){

	// filter...
	return $value;
}

$value(mixed)

Value of the unprefixed post field.

$post_id(int)

Post ID

$context(string)

Context for how to sanitize the field. Accepts 'raw', 'edit', 'db', 'display', 'attribute', or 'js'.
Default: 'display'

Changelog

Where the hook is called

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

Where the hook is used in WordPress

add_action( 'post_updated', array( 'WP_Privacy_Policy_Content', '_policy_page_updated' ) );

add_filter( 'post_mime_type', 'sanitize_mime_type' );

add_action( 'post_updated', 'wp_save_post_revision', 10, 1 );

add_action( 'post_updated', 'wp_check_for_changed_slugs', 12, 3 );

add_action( 'post_updated', 'wp_check_for_changed_dates', 12, 3 );

add_filter( 'post_password_required', '__return_false' );

remove_filter( 'post_password_required', '__return_false' );

add_filter( 'post_password_required', array( $this, 'check_password_required' ), 10, 2 );

remove_filter( 'post_password_required', array( $this, 'check_password_required' ) );

add_filter( 'post_password_required', array( $this, 'check_password_required' ), 10, 2 );

remove_filter( 'post_password_required', array( $this, 'check_password_required' ) );

add_filter( 'post_password_required', array( $this, 'check_password_required' ), 10, 2 );