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get_post_meta_by_id

February 12, 2011 by Thorsten 0 Comments

Definition:
function get_post_meta_by_id( $mid ) {}

Parameters

  • unknown_type $mid

Source code

function get_post_meta_by_id( $mid ) {

	global $wpdb;

	$mid = (int) $mid;



	$meta = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->postmeta WHERE meta_id = %d", $mid) );

	if ( empty($meta) )

		return false;

	if ( is_serialized_string( $meta->meta_value ) )

		$meta->meta_value = maybe_unserialize( $meta->meta_value );

	return $meta;

}

1595

/wp-admin/includes/post.php, Documentation, Files, Functions, Functions by letter g
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get_post_meta

February 12, 2011 by Thorsten 0 Comments

Definition:
function get_post_meta($post_id, $key, $single = false) {}

Retrieve post meta field for a post.

Parameters

  • int $post_id: Post ID.
  • string $key: The meta key to retrieve.
  • bool $single: Whether to return a single value.

Return values

returns:Will be an array if $single is false. Will be value of meta data field if $single is true.

Source code

function get_post_meta($post_id, $key, $single = false) {

	return get_metadata('post', $post_id, $key, $single);

}

1593

/wp-includes/post.php, Documentation, Files, Functions, Functions by letter g
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get_post_field

February 12, 2011 by Thorsten 0 Comments

Definition:
function get_post_field( $field, $post, $context = 'display' ) {}

Retrieve data from a post field based on Post ID.
Examples of the post field will be, ‘post_type’, ‘post_status’, ‘post_content’, etc and based off of the post object property or key names.

Parameters

  • string $field: Post field name
  • id $post: Post ID
  • string $context: Optional. How to filter the field. Default is display.

Return values

returns:Value in post field or WP_Error on failure

Source code

function get_post_field( $field, $post, $context = 'display' ) {

	$post = (int) $post;

	$post = get_post( $post );



	if ( is_wp_error($post) )

		return $post;



	if ( !is_object($post) )

		return '';



	if ( !isset($post->$field) )

		return '';



	return sanitize_post_field($field, $post->$field, $post->ID, $context);

}

1591

/wp-includes/post.php, Documentation, Files, Functions, Functions by letter g
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get_post_custom_values

February 12, 2011 by Thorsten 0 Comments

Definition:
function get_post_custom_values( $key = '', $post_id = 0 ) {}

Retrieve values for a custom post field.
The parameters must not be considered optional. All of the post meta fields will be retrieved and only the meta field key values returned.

Parameters

  • string $key: Meta field key.
  • int $post_id: Post ID

Return values

returns:Meta field values.

Source code

function get_post_custom_values( $key = '', $post_id = 0 ) {

	if ( !$key )

		return null;



	$custom = get_post_custom($post_id);



	return isset($custom[$key]) ? $custom[$key] : null;

}

1589

/wp-includes/post.php, Documentation, Files, Functions, Functions by letter g
, ,

get_post_custom_keys

February 12, 2011 by Thorsten 0 Comments

Definition:
function get_post_custom_keys( $post_id = 0 ) {}

Retrieve meta field names for a post.
If there are no meta fields, then nothing (null) will be returned.

Parameters

  • int $post_id: post ID

Return values

returns:Either array of the keys, or null if keys could not be retrieved.

Source code

function get_post_custom_keys( $post_id = 0 ) {

	$custom = get_post_custom( $post_id );



	if ( !is_array($custom) )

		return;



	if ( $keys = array_keys($custom) )

		return $keys;

}

1587

/wp-includes/post.php, Documentation, Files, Functions, Functions by letter g
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