← All changes | sal/class.json-api-date.php +103 -0 16.2-beta → 16.3 View file →

		@@ -1,0 +1,103 @@
	1	+<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
	2	+/**
	3	+ * WPCOM_JSON_API_Date class.
	4	+ *
	5	+ * @package automattic/jetpack
	6	+ */
	7	+
	8	+if ( ! defined( 'ABSPATH' ) ) {
	9	+ exit( 0 );
	10	+}
	11	+
	12	+/**
	13	+ * Base class for WPCOM_JSON_API_Date.
	14	+ */
	15	+class WPCOM_JSON_API_Date {
	16	+ /**
	17	+ * Returns ISO 8601 formatted datetime: 2011-12-08T01:15:36-08:00
	18	+ *
	19	+ * @param string $date_gmt GMT datetime string.
	20	+ * @param string $date Optional. Used to calculate the offset from GMT.
	21	+ *
	22	+ * @return string
	23	+ */
	24	+ public static function format_date( $date_gmt, $date = null ) {
	25	+ $offset = 0;
	26	+ $timestamp_gmt = strtotime( "$date_gmt+0000" );
	27	+
	28	+ if ( null === $date ) {
	29	+ $timestamp = $timestamp_gmt;
	30	+ $west = 0;
	31	+ $minutes = 0;
	32	+ $hours = 0;
	33	+ } else {
	34	+ $date_time = date_create( "$date+0000" );
	35	+ if ( $date_time ) {
	36	+ $timestamp = date_format( $date_time, 'U' );
	37	+ } else {
	38	+ $timestamp = 0;
	39	+ }
	40	+
	41	+ // "0000-00-00 00:00:00" == -62169984000
	42	+ if ( -62169984000 === $timestamp_gmt ) {
	43	+ // WordPress sets post_date=now, post_date_gmt="0000-00-00 00:00:00" for all drafts
	44	+ // WordPress sets post_modified=now, post_modified_gmt="0000-00-00 00:00:00" for new drafts.
	45	+
	46	+ // Try to guess the correct offset from the blog's options.
	47	+ $timezone_string = get_option( 'timezone_string' );
	48	+
	49	+ if ( $timezone_string && $date_time ) {
	50	+ $timezone = timezone_open( $timezone_string );
	51	+ if ( $timezone ) {
	52	+ $offset = $timezone->getOffset( $date_time );
	53	+ }
	54	+ } else {
	55	+ $offset = 3600 * (float) get_option( 'gmt_offset' );
	56	+ }
	57	+ } else {
	58	+ $offset = $timestamp - $timestamp_gmt;
	59	+ }
	60	+
	61	+ $west = $offset < 0;
	62	+ $offset = abs( $offset );
	63	+ $hours = (int) floor( $offset / 3600 );
	64	+ $offset -= $hours * 3600;
	65	+ $minutes = (int) floor( $offset / 60 );
	66	+ }
	67	+
	68	+ return gmdate( 'Y-m-d\\TH:i:s', $timestamp ) . sprintf( '%s%02d:%02d', $west ? '-' : '+', $hours, $minutes );
	69	+ }
	70	+
	71	+ /**
	72	+ * Returns ISO 8601 formatted duration interval: P0DT1H10M0S
	73	+ *
	74	+ * @param string $time Duration in minutes or hours.
	75	+ *
	76	+ * @return null|string
	77	+ */
	78	+ public static function format_duration( $time ) {
	79	+ $timestamp = strtotime( $time, 0 );
	80	+
	81	+ // Bail early if we don't recognize a date.
	82	+ if ( empty( $timestamp ) ) {
	83	+ return;
	84	+ }
	85	+
	86	+ $days = floor( $timestamp / 86400 );
	87	+ $timestamp %= 86400;
	88	+
	89	+ $hours = floor( $timestamp / 3600 );
	90	+ $timestamp %= 3600;
	91	+
	92	+ $minutes = floor( $timestamp / 60 );
	93	+ $timestamp %= 60;
	94	+
	95	+ return sprintf(
	96	+ 'P%dDT%dH%dM%dS',
	97	+ $days,
	98	+ $hours,
	99	+ $minutes,
	100	+ $timestamp
	101	+ );
	102	+ }
	103	+}