blob: bddf5da627066fa0cdb1bf196fbe6f12259b02f5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
static DEFAULT_TIMEZONE: std::sync::Mutex<Option<String>> = std::sync::Mutex::new(None);
pub fn date_create<Tz: chrono::TimeZone>(s: &str) -> chrono::ParseResult<chrono::DateTime<Tz>> {
// TODO(phase-d): PHP `date_create` accepts the full strtotime() grammar (RFC2822, ISO8601,
// VCS-specific and relative formats), which requires a dedicated date parser not available
// here. The generic `Tz` also has no constructor from a parsed `FixedOffset`/`Utc` value.
let _ = s;
todo!()
}
/// PHP: \DATE_RFC3339 ("Y-m-d\TH:i:sP").
pub const DATE_RFC3339: &str = "%Y-%m-%dT%H:%M:%S%:z";
/// PHP: \DATE_ATOM (equivalent to \DATE_RFC3339).
pub const DATE_ATOM: &str = DATE_RFC3339;
/// Convert PHP-compatible date time format to strftime-compatible format.
/// Only the patterns Composer actually passes are supported; anything else panics.
pub fn date_format_to_strftime(format: &str) -> &'static str {
match format {
"Y-m-d H:i:s" => "%Y-%m-%d %H:%M:%S",
"Y-m-d" => "%Y-%m-%d",
"Ymd" => "%Y%m%d",
other => panic!("Unsupported PHP date format: {other:?}"),
}
}
pub fn strtotime(_time: &str) -> Option<i64> {
// TODO(phase-d): requires the full strtotime() grammar (absolute, relative and compound
// expressions); a partial parser would silently mis-handle unsupported inputs.
todo!()
}
pub fn time() -> i64 {
std::time::SystemTime::now()
.duration_since(std::time::UNIX_EPOCH)
.unwrap()
.as_secs() as i64
}
pub fn microtime() -> f64 {
let duration = std::time::SystemTime::now()
.duration_since(std::time::UNIX_EPOCH)
.unwrap();
duration.as_secs_f64()
}
// PHP defaults to "UTC" when no default timezone has been configured.
pub fn date_default_timezone_get() -> String {
DEFAULT_TIMEZONE
.lock()
.unwrap()
.clone()
.unwrap_or_else(|| "UTC".to_string())
}
pub fn date_default_timezone_set(tz: &str) -> bool {
*DEFAULT_TIMEZONE.lock().unwrap() = Some(tz.to_string());
true
}
pub fn date(format: &str, timestamp: Option<i64>) -> String {
let timestamp = timestamp.unwrap_or_else(time);
// PHP `date()` renders in the default timezone. Without a timezone database only "UTC" can be
// resolved; any named zone is rejected loudly rather than silently rendered in the wrong zone.
let tz = date_default_timezone_get();
if tz != "UTC" {
panic!(
"date() with non-UTC default timezone {tz:?} is not supported (no timezone database)"
);
}
let dt = chrono::DateTime::<chrono::Utc>::from_timestamp(timestamp, 0)
.expect("date() timestamp out of range");
dt.format(date_format_to_strftime(format)).to_string()
}
|
