File: wp-includes/class-wp-date-query.php. View all references

public function build_mysql_datetime( $datetime, $default_to_max = false ) {
	if ( ! is_array( $datetime ) ) {

		/*
		 * Try to parse some common date formats, so we can detect
		 * the level of precision and support the 'inclusive' parameter.
		 */
		if ( preg_match( '/^(\d{4})$/', $datetime, $matches ) ) {
			// Y
			$datetime = array(
				'year' => (int) $matches[1],
			);

		} elseif ( preg_match( '/^(\d{4})\-(\d{2})$/', $datetime, $matches ) ) {
			// Y-m
			$datetime = array(
				'year'  => (int) $matches[1],
				'month' => (int) $matches[2],
			);

		} elseif ( preg_match( '/^(\d{4})\-(\d{2})\-(\d{2})$/', $datetime, $matches ) ) {
			// Y-m-d
			$datetime = array(
				'year'  => (int) $matches[1],
				'month' => (int) $matches[2],
				'day'   => (int) $matches[3],
			);

		} elseif ( preg_match( '/^(\d{4})\-(\d{2})\-(\d{2}) (\d{2}):(\d{2})$/', $datetime, $matches ) ) {
			// Y-m-d H:i
			$datetime = array(
				'year'   => (int) $matches[1],
				'month'  => (int) $matches[2],
				'day'    => (int) $matches[3],
				'hour'   => (int) $matches[4],
				'minute' => (int) $matches[5],
			);
		}

		// If no match is found, we don't support default_to_max.
		if ( ! is_array( $datetime ) ) {
			$wp_timezone = wp_timezone();

			// Assume local timezone if not provided.
			$dt = date_create( $datetime, $wp_timezone );

			if ( false === $dt ) {
				return gmdate( 'Y-m-d H:i:s', false );
			}

			return $dt->setTimezone( $wp_timezone )->format( 'Y-m-d H:i:s' );
		}
	}

	$datetime = array_map( 'absint', $datetime );

	if ( ! isset( $datetime['year'] ) ) {
		$datetime['year'] = current_time( 'Y' );
	}

	if ( ! isset( $datetime['month'] ) ) {
		$datetime['month'] = ( $default_to_max ) ? 12 : 1;
	}

	if ( ! isset( $datetime['day'] ) ) {
		$datetime['day'] = ( $default_to_max ) ? (int) gmdate( 't', mktime( 0, 0, 0, $datetime['month'], 1, $datetime['year'] ) ) : 1;
	}

	if ( ! isset( $datetime['hour'] ) ) {
		$datetime['hour'] = ( $default_to_max ) ? 23 : 0;
	}

	if ( ! isset( $datetime['minute'] ) ) {
		$datetime['minute'] = ( $default_to_max ) ? 59 : 0;
	}

	if ( ! isset( $datetime['second'] ) ) {
		$datetime['second'] = ( $default_to_max ) ? 59 : 0;
	}

	return sprintf( '%04d-%02d-%02d %02d:%02d:%02d', $datetime['year'], $datetime['month'], $datetime['day'], $datetime['hour'], $datetime['minute'], $datetime['second'] );
}

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