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Part I of inline documenation for hooks in wp-includes/post.php. 

Adds docs for the following hooks:
* `get_attached_file`
* `update_attached_file`
* `_wp_relative_upload_path`
* `post_type_labels_{$post_type}`
* `edit_{$field}`
* `{$field_no_prefix}_edit_pre`
* `edit_post_{$field}`
* `pre_{$field}`
* `{$field_no_prefix}_save_pre`
* `pre_post_{$field}`
* `{$field}_pre`
* `$field`
* `post_{$field}`
* `wp_count_posts`
* `wp_count_attachments`
* `post_mime_types`
* `wp_insert_post_empty_content`

See #25376.

Built from https://develop.svn.wordpress.org/trunk@28041


git-svn-id: http://core.svn.wordpress.org/trunk@27871 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Drew Jaynes 2014-04-08 06:49:14 +00:00
parent 252a5434ff
commit 07ee43d6d0
1 changed files with 196 additions and 29 deletions
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225
wp-includes/post.php
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@ -191,6 +191,15 @@ function get_attached_file( $attachment_id, $unfiltered = false ) {
$file = $uploads['basedir'] . "/$file";
if ( $unfiltered )
return $file;
/**
* Filter the attached file based on the given ID.
*
* @since 2.1.0
*
* @param string $file Path to attached file.
* @param int $attachment_id Attachment ID.
*/
return apply_filters( 'get_attached_file', $file, $attachment_id );
}
@ -201,7 +210,6 @@ function get_attached_file( $attachment_id, $unfiltered = false ) {
* '_wp_attached_file' to store the path of the attachment.
*
* @since 2.1.0
* @uses apply_filters() Calls 'update_attached_file' on file path and attachment ID.
*
* @param int $attachment_id Attachment ID
* @param string $file File path for the attachment
@ -211,7 +219,16 @@ function update_attached_file( $attachment_id, $file ) {
if ( !get_post( $attachment_id ) )
return false;
/**
* Filter the path to the attached file to update.
*
* @since 2.1.0
*
* @param string $file Path to the attached file to update.
* @param int $attachment_id Attachment ID.
*/
$file = apply_filters( 'update_attached_file', $file, $attachment_id );
if ( $file = _wp_relative_upload_path( $file ) )
return update_post_meta( $attachment_id, '_wp_attached_file', $file );
else
@ -224,7 +241,6 @@ function update_attached_file( $attachment_id, $file ) {
* The path is relative to the current upload dir.
*
* @since 2.9.0
* @uses apply_filters() Calls '_wp_relative_upload_path' on file path.
*
* @param string $path Full path to the file
* @return string relative path on success, unchanged path on failure.
@ -238,6 +254,14 @@ function _wp_relative_upload_path( $path ) {
$new_path = ltrim( $new_path, '/' );
}
/**
* Filter the relative path to an uploaded file.
*
* @since 2.9.0
*
* @param string $new_path Relative path to the file.
* @param string $path Full path to the file.
*/
return apply_filters( '_wp_relative_upload_path', $new_path, $path );
}
@ -1493,6 +1517,19 @@ function get_post_type_labels( $post_type_object ) {
$labels = _get_custom_object_labels( $post_type_object, $nohier_vs_hier_defaults );
$post_type = $post_type_object->name;
/**
* Filter the labels of a specific post type.
*
* The dynamic portion of the hook name, $post_type, refers to
* the post type slug.
*
* @since 3.5.0
*
* @see get_post_type_labels() for the full list of labels.
*
* @param array $labels Array of labels for the given post type.
*/
return apply_filters( "post_type_labels_{$post_type}", $labels );
}
@ -1937,17 +1974,6 @@ function sanitize_post($post, $context = 'display') {
* when calling filters.
*
* @since 2.3.0
* @uses apply_filters() Calls 'edit_$field' and '{$field_no_prefix}_edit_pre' passing $value and
* $post_id if $context == 'edit' and field name prefix == 'post_'.
*
* @uses apply_filters() Calls 'edit_post_$field' passing $value and $post_id if $context == 'db'.
* @uses apply_filters() Calls 'pre_$field' passing $value if $context == 'db' and field name prefix == 'post_'.
* @uses apply_filters() Calls '{$field}_pre' passing $value if $context == 'db' and field name prefix != 'post_'.
*
* @uses apply_filters() Calls '$field' passing $value, $post_id and $context if $context == anything
* other than 'raw', 'edit' and 'db' and field name prefix == 'post_'.
* @uses apply_filters() Calls 'post_$field' passing $value if $context == anything other than 'raw',
* 'edit' and 'db' and field name prefix != 'post_'.
*
* @param string $field The Post Object field name.
* @param mixed $value The Post Object value.
@ -1981,11 +2007,48 @@ function sanitize_post_field($field, $value, $post_id, $context) {
$format_to_edit = array('post_content', 'post_excerpt', 'post_title', 'post_password');
if ( $prefixed ) {
$value = apply_filters("edit_{$field}", $value, $post_id);
// Old school
$value = apply_filters("{$field_no_prefix}_edit_pre", $value, $post_id);
/**
* Filter the value of a specific post field to edit.
*
* The dynamic portion of the hook name, $field, refers to the prefixed
* post field name. For example, 'post_title'.
*
* @since 2.3.0
*
* @param mixed $value Value of the post field.
* @param int $post_id Post ID.
*/
$value = apply_filters( "edit_{$field}", $value, $post_id );
/**
* Filter the value of a specific post field to edit.
*
* The dynamic portion of the hook name, $field_no_prefix, refers to
* the post field name with no prefix. For example, 'title' instead
* of 'post_title'.
*
* @since 2.3.0
* @deprecated 2.3.0 Use "edit_post_$field" instead.
*
* @param mixed $value Value of the post field.
* @param int $post_id Post ID.
*/
$value = apply_filters( "{$field_no_prefix}_edit_pre", $value, $post_id );
} else {
$value = apply_filters("edit_post_{$field}", $value, $post_id);
/**
* Filter the value of a specific post field to edit.
*
* The dynamic portion of the hook name, $field, refers to the un-prefixed
* post field. For example, 'title' instead of 'post_title'.
*
* @since 2.3.0
*
* @param mixed $value Value of the un-prefixed post field.
* @param int $post_id Post ID.
*/
$value = apply_filters( "edit_post_{$field}", $value, $post_id );
}
if ( in_array($field, $format_to_edit) ) {
@ -1998,18 +2061,97 @@ function sanitize_post_field($field, $value, $post_id, $context) {
}
} else if ( 'db' == $context ) {
if ( $prefixed ) {
$value = apply_filters("pre_{$field}", $value);
$value = apply_filters("{$field_no_prefix}_save_pre", $value);
/**
* Filter the value of a specific field before saving.
*
* The dynamic portion of the hook name, $field, refers to the
* prefixed post field name. For example, 'post_title'.
*
* @since 2.3.0
*
* @param mixed $value Value of the post field.
*/
$value = apply_filters( "pre_{$field}", $value );
/**
* Filter the value of a specific field before saving.
*
* The dynamic portion of the hook name, $field_no_prefix, refers
* to the un-prefixed post field name. For example, 'title' instead
* of 'post_title'.
*
* @since 2.3.0
* @deprecated 2.3.0 Use "pre_post_{$field}" instead.
*
* @param mixed $value Value of the post field.
*/
$value = apply_filters( "{$field_no_prefix}_save_pre", $value );
} else {
$value = apply_filters("pre_post_{$field}", $value);
$value = apply_filters("{$field}_pre", $value);
/**
* Filter the value of a specific field before saving.
*
* The dynamic portion of the hook name, $field, refers to the un-prefixed
* post field name. For example, 'title' instead of 'post_title'.
*
* @since 2.3.0
*
* @param mixed $value Value of the post field.
*/
$value = apply_filters( "pre_post_{$field}", $value );
/**
* Filter the value of a specific field before saving.
*
* The dynamic portion of the hook name, $field, refers to the un-prefixed
* post field name. For example, 'title' instead of 'post_title'.
*
* @since 2.3.0
* @deprecated 2.3.0 Use "pre_post_{$field}" instead.
*
* @param mixed $value Value of the post field.
*/
$value = apply_filters( "{$field}_pre", $value );
}
} else {
// Use display filters by default.
if ( $prefixed )
$value = apply_filters($field, $value, $post_id, $context);
else
$value = apply_filters("post_{$field}", $value, $post_id, $context);
if ( $prefixed ) {
/**
* Filter the value of a specific post field for display.
*
* The dynamic hook name, $field, refers to the prefixed post field
* name. For example, 'post_title'.
*
* @since
*
* @param mixed $value Value of the prefixed post field.
* @param int $post_id Post ID.
* @param string $context Context for how to sanitize the field. Possible
* values include 'raw', 'edit', 'db', 'display',
* 'attribute' and 'js'.
*/
$value = apply_filters( $field, $value, $post_id, $context );
} else {
/**
* Filter the value of a specific post field for display.
*
* The dynamic portion of the hook name, $field, refers to the un-prefixed
* post field name. For example, 'title' instead of 'post_title'.'
*
* @since
*
* @param mixed $value Value of the un-prefixed post field.
* @param int $post_id Post ID.
* @param string $context Context for how to sanitize the field. Possible
* values include 'raw', 'edit', 'db', 'display',
* 'attribute' and 'js'.
*/
$value = apply_filters( "post_{$field}", $value, $post_id, $context );
}
}
if ( 'attribute' == $context )
@ -2143,9 +2285,11 @@ function wp_count_posts( $type = 'post', $perm = '' ) {
*
* @since 3.7.0
*
* @param object $counts An object containing the current post_type's post counts by status.
* @param string $type The post type.
* @param string $perm The permission to determine if the posts are 'readable' by the current user.
* @param object $counts An object containing the current post_type's post
* counts by status.
* @param string $type Post type.
* @param string $perm The permission to determine if the posts are 'readable'
* by the current user.
*/
return apply_filters( 'wp_count_posts', $counts, $type, $perm );
}
@ -2200,7 +2344,14 @@ function get_post_mime_types() {
'video' => array(__('Video'), __('Manage Video'), _n_noop('Video <span class="count">(%s)</span>', 'Video <span class="count">(%s)</span>')),
);
return apply_filters('post_mime_types', $post_mime_types);
/**
* Filter the default list of post mime types.
*
* @since 2.5.0
*
* @param array $post_mime_types Default list of post mime types.
*/
return apply_filters( 'post_mime_types', $post_mime_types );
}
/**
@ -2756,6 +2907,22 @@ function wp_insert_post( $postarr, $wp_error = false ) {
$maybe_empty = ! $post_content && ! $post_title && ! $post_excerpt && post_type_supports( $post_type, 'editor' )
&& post_type_supports( $post_type, 'title' ) && post_type_supports( $post_type, 'excerpt' );
/**
* Filter whether the post should be considered "empty".
*
* The post is considered "empty" if both:
* 1. The post type supports the title, editor, and excerpt fields
* 2. The title, editor, and excerpt fields are all empty
*
* Returning a truthy value to the filter will effectively short-circuit
* the new post being inserted, returning 0. If $wp_error is true, a WP_Error
* will be returned instead.
*
* @since 3.3.0
*
* @param bool $maybe_empty Whether the post should be considered "empty".
* @param array $postarr Array of post data.
*/
if ( apply_filters( 'wp_insert_post_empty_content', $maybe_empty, $postarr ) ) {
if ( $wp_error )
return new WP_Error( 'empty_content', __( 'Content, title, and excerpt are empty.' ) );