wp_update_post

函数
wp_update_post ( $postarr = array(), $wp_error = false, $fire_after_hooks = true )
参数
  • (array|object) $postarr Optional. Post data. Arrays are expected to be escaped, objects are not. See wp_insert_post() for accepted arguments. Default array.
    Required:
    Default: array()
  • (bool) $wp_error Optional. Whether to return a WP_Error on failure. Default false.
    Required:
    Default: false
  • (bool) $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true.
    Required:
    Default: true
返回值
  • (int|WP_Error) The post ID on success. The value 0 or WP_Error on failure.
定义位置
相关方法
wp_update_sitewp_delete_postwp_update_termwp_update_corewp_update_user
引入
1.0.0
弃用
-

wp_update_post是一个函数,用于更新WordPress数据库中的一个现有文章: 该函数接收一个参数数组,包括文章的ID、文章的标题、文章的内容、文章的状态和文章的类型,并使用它们来更新数据库中的文章。

用新的文章数据更新一个文章。

日期不一定要为草稿设置。你可以设置日期,它将不会被覆盖。

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EnlighterJS 3 Syntax Highlighter
function wp_update_post( $postarr = array(), $wp_error = false, $fire_after_hooks = true ) {
if ( is_object( $postarr ) ) {
// Non-escaped post was passed.
$postarr = get_object_vars( $postarr );
$postarr = wp_slash( $postarr );
}
// First, get all of the original fields.
$post = get_post( $postarr['ID'], ARRAY_A );
if ( is_null( $post ) ) {
if ( $wp_error ) {
return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) );
}
return 0;
}
// Escape data pulled from DB.
$post = wp_slash( $post );
// Passed post category list overwrites existing category list if not empty.
if ( isset( $postarr['post_category'] ) && is_array( $postarr['post_category'] )
&& count( $postarr['post_category'] ) > 0
) {
$post_cats = $postarr['post_category'];
} else {
$post_cats = $post['post_category'];
}
// Drafts shouldn't be assigned a date unless explicitly done so by the user.
if ( isset( $post['post_status'] )
&& in_array( $post['post_status'], array( 'draft', 'pending', 'auto-draft' ), true )
&& empty( $postarr['edit_date'] ) && ( '0000-00-00 00:00:00' === $post['post_date_gmt'] )
) {
$clear_date = true;
} else {
$clear_date = false;
}
// Merge old and new fields with new fields overwriting old ones.
$postarr = array_merge( $post, $postarr );
$postarr['post_category'] = $post_cats;
if ( $clear_date ) {
$postarr['post_date'] = current_time( 'mysql' );
$postarr['post_date_gmt'] = '';
}
if ( 'attachment' === $postarr['post_type'] ) {
return wp_insert_attachment( $postarr, false, 0, $wp_error );
}
// Discard 'tags_input' parameter if it's the same as existing post tags.
if ( isset( $postarr['tags_input'] ) && is_object_in_taxonomy( $postarr['post_type'], 'post_tag' ) ) {
$tags = get_the_terms( $postarr['ID'], 'post_tag' );
$tag_names = array();
if ( $tags && ! is_wp_error( $tags ) ) {
$tag_names = wp_list_pluck( $tags, 'name' );
}
if ( $postarr['tags_input'] === $tag_names ) {
unset( $postarr['tags_input'] );
}
}
return wp_insert_post( $postarr, $wp_error, $fire_after_hooks );
}
function wp_update_post( $postarr = array(), $wp_error = false, $fire_after_hooks = true ) { if ( is_object( $postarr ) ) { // Non-escaped post was passed. $postarr = get_object_vars( $postarr ); $postarr = wp_slash( $postarr ); } // First, get all of the original fields. $post = get_post( $postarr['ID'], ARRAY_A ); if ( is_null( $post ) ) { if ( $wp_error ) { return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) ); } return 0; } // Escape data pulled from DB. $post = wp_slash( $post ); // Passed post category list overwrites existing category list if not empty. if ( isset( $postarr['post_category'] ) && is_array( $postarr['post_category'] ) && count( $postarr['post_category'] ) > 0 ) { $post_cats = $postarr['post_category']; } else { $post_cats = $post['post_category']; } // Drafts shouldn't be assigned a date unless explicitly done so by the user. if ( isset( $post['post_status'] ) && in_array( $post['post_status'], array( 'draft', 'pending', 'auto-draft' ), true ) && empty( $postarr['edit_date'] ) && ( '0000-00-00 00:00:00' === $post['post_date_gmt'] ) ) { $clear_date = true; } else { $clear_date = false; } // Merge old and new fields with new fields overwriting old ones. $postarr = array_merge( $post, $postarr ); $postarr['post_category'] = $post_cats; if ( $clear_date ) { $postarr['post_date'] = current_time( 'mysql' ); $postarr['post_date_gmt'] = ''; } if ( 'attachment' === $postarr['post_type'] ) { return wp_insert_attachment( $postarr, false, 0, $wp_error ); } // Discard 'tags_input' parameter if it's the same as existing post tags. if ( isset( $postarr['tags_input'] ) && is_object_in_taxonomy( $postarr['post_type'], 'post_tag' ) ) { $tags = get_the_terms( $postarr['ID'], 'post_tag' ); $tag_names = array(); if ( $tags && ! is_wp_error( $tags ) ) { $tag_names = wp_list_pluck( $tags, 'name' ); } if ( $postarr['tags_input'] === $tag_names ) { unset( $postarr['tags_input'] ); } } return wp_insert_post( $postarr, $wp_error, $fire_after_hooks ); }
function wp_update_post( $postarr = array(), $wp_error = false, $fire_after_hooks = true ) {
	if ( is_object( $postarr ) ) {
		// Non-escaped post was passed.
		$postarr = get_object_vars( $postarr );
		$postarr = wp_slash( $postarr );
	}

	// First, get all of the original fields.
	$post = get_post( $postarr['ID'], ARRAY_A );

	if ( is_null( $post ) ) {
		if ( $wp_error ) {
			return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) );
		}
		return 0;
	}

	// Escape data pulled from DB.
	$post = wp_slash( $post );

	// Passed post category list overwrites existing category list if not empty.
	if ( isset( $postarr['post_category'] ) && is_array( $postarr['post_category'] )
		&& count( $postarr['post_category'] ) > 0
	) {
		$post_cats = $postarr['post_category'];
	} else {
		$post_cats = $post['post_category'];
	}

	// Drafts shouldn't be assigned a date unless explicitly done so by the user.
	if ( isset( $post['post_status'] )
		&& in_array( $post['post_status'], array( 'draft', 'pending', 'auto-draft' ), true )
		&& empty( $postarr['edit_date'] ) && ( '0000-00-00 00:00:00' === $post['post_date_gmt'] )
	) {
		$clear_date = true;
	} else {
		$clear_date = false;
	}

	// Merge old and new fields with new fields overwriting old ones.
	$postarr                  = array_merge( $post, $postarr );
	$postarr['post_category'] = $post_cats;
	if ( $clear_date ) {
		$postarr['post_date']     = current_time( 'mysql' );
		$postarr['post_date_gmt'] = '';
	}

	if ( 'attachment' === $postarr['post_type'] ) {
		return wp_insert_attachment( $postarr, false, 0, $wp_error );
	}

	// Discard 'tags_input' parameter if it's the same as existing post tags.
	if ( isset( $postarr['tags_input'] ) && is_object_in_taxonomy( $postarr['post_type'], 'post_tag' ) ) {
		$tags      = get_the_terms( $postarr['ID'], 'post_tag' );
		$tag_names = array();

		if ( $tags && ! is_wp_error( $tags ) ) {
			$tag_names = wp_list_pluck( $tags, 'name' );
		}

		if ( $postarr['tags_input'] === $tag_names ) {
			unset( $postarr['tags_input'] );
		}
	}

	return wp_insert_post( $postarr, $wp_error, $fire_after_hooks );
}

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