_get_last_post_time

函式
_get_last_post_time ( $timezone, $field, $post_type = 'any' )
Access
Private
引數
  • (string) $timezone The timezone for the timestamp. See get_lastpostdate(). for information on accepted values.
    Required:
  • (string) $field Post field to check. Accepts 'date' or 'modified'.
    Required:
  • (string) $post_type Optional. The post type to check. Default 'any'.
    Required:
    Default: 'any'
返回值
  • (string|false) The timestamp in 'Y-m-d H:i:s' format, or false on failure.
定義位置
相關方法
get_post_timeget_lastpostdateget_lastpostmodifiedget_post_datetimeget_post_timestamp
引入
3.1.0
棄用
-

_get_last_post_time: 這是一個用來獲取最近的文章的時間戳的函式。它返回最近的文章的時間戳。

獲取任何文章最後一次被修改或釋出的時間戳。

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EnlighterJS 3 Syntax Highlighter
function _get_last_post_time( $timezone, $field, $post_type = 'any' ) {
global $wpdb;
if ( ! in_array( $field, array( 'date', 'modified' ), true ) ) {
return false;
}
$timezone = strtolower( $timezone );
$key = "lastpost{$field}:$timezone";
if ( 'any' !== $post_type ) {
$key .= ':' . sanitize_key( $post_type );
}
$date = wp_cache_get( $key, 'timeinfo' );
if ( false !== $date ) {
return $date;
}
if ( 'any' === $post_type ) {
$post_types = get_post_types( array( 'public' => true ) );
array_walk( $post_types, array( $wpdb, 'escape_by_ref' ) );
$post_types = "'" . implode( "', '", $post_types ) . "'";
} else {
$post_types = "'" . sanitize_key( $post_type ) . "'";
}
switch ( $timezone ) {
case 'gmt':
$date = $wpdb->get_var( "SELECT post_{$field}_gmt FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" );
break;
case 'blog':
$date = $wpdb->get_var( "SELECT post_{$field} FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" );
break;
case 'server':
$add_seconds_server = gmdate( 'Z' );
$date = $wpdb->get_var( "SELECT DATE_ADD(post_{$field}_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" );
break;
}
if ( $date ) {
wp_cache_set( $key, $date, 'timeinfo' );
return $date;
}
return false;
}
function _get_last_post_time( $timezone, $field, $post_type = 'any' ) { global $wpdb; if ( ! in_array( $field, array( 'date', 'modified' ), true ) ) { return false; } $timezone = strtolower( $timezone ); $key = "lastpost{$field}:$timezone"; if ( 'any' !== $post_type ) { $key .= ':' . sanitize_key( $post_type ); } $date = wp_cache_get( $key, 'timeinfo' ); if ( false !== $date ) { return $date; } if ( 'any' === $post_type ) { $post_types = get_post_types( array( 'public' => true ) ); array_walk( $post_types, array( $wpdb, 'escape_by_ref' ) ); $post_types = "'" . implode( "', '", $post_types ) . "'"; } else { $post_types = "'" . sanitize_key( $post_type ) . "'"; } switch ( $timezone ) { case 'gmt': $date = $wpdb->get_var( "SELECT post_{$field}_gmt FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" ); break; case 'blog': $date = $wpdb->get_var( "SELECT post_{$field} FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" ); break; case 'server': $add_seconds_server = gmdate( 'Z' ); $date = $wpdb->get_var( "SELECT DATE_ADD(post_{$field}_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" ); break; } if ( $date ) { wp_cache_set( $key, $date, 'timeinfo' ); return $date; } return false; }
function _get_last_post_time( $timezone, $field, $post_type = 'any' ) {
	global $wpdb;

	if ( ! in_array( $field, array( 'date', 'modified' ), true ) ) {
		return false;
	}

	$timezone = strtolower( $timezone );

	$key = "lastpost{$field}:$timezone";
	if ( 'any' !== $post_type ) {
		$key .= ':' . sanitize_key( $post_type );
	}

	$date = wp_cache_get( $key, 'timeinfo' );
	if ( false !== $date ) {
		return $date;
	}

	if ( 'any' === $post_type ) {
		$post_types = get_post_types( array( 'public' => true ) );
		array_walk( $post_types, array( $wpdb, 'escape_by_ref' ) );
		$post_types = "'" . implode( "', '", $post_types ) . "'";
	} else {
		$post_types = "'" . sanitize_key( $post_type ) . "'";
	}

	switch ( $timezone ) {
		case 'gmt':
			$date = $wpdb->get_var( "SELECT post_{$field}_gmt FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" );
			break;
		case 'blog':
			$date = $wpdb->get_var( "SELECT post_{$field} FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" );
			break;
		case 'server':
			$add_seconds_server = gmdate( 'Z' );
			$date               = $wpdb->get_var( "SELECT DATE_ADD(post_{$field}_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" );
			break;
	}

	if ( $date ) {
		wp_cache_set( $key, $date, 'timeinfo' );

		return $date;
	}

	return false;
}

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