PHP time Date format string summary ____php

The stream is clear

12:02

Date ()

Years	Month	Day	Week	When (12 o'clock)	(24 o'clock)	Part	Seconds	Time
Y (yyyy)	M (01-12)	D (01-31)	W (0-6)	H (01-12)	H (01-23)	I (00-59)	S (00-59)	E (Utc,gmt,asia/shanghai
Y (yy)	N (1-12)	J (1-31)	N (1-7)	G (1-12)	G (1-23)			I (I capital) daylight saving time
L (Leap year = 1, non =0)	T (28-31)	Z (0-365)	W (01-53)					O (with 0 time zone difference, +0800)
	M (JAN-DEC)	S (st,nd,rd,th)	D (Mon-sun)	A (AM,PM)				P (Ibid., +08:00)
	F (January)		L (l lowercase) Monday-...	A (AM,PM)				Z (Time difference offset, seconds)
B?	Swatch	Internet Standard Time?						T (this machine area, =CST)
C	Full time	2004-02-12t	15:12:30+08:00
R	Like on	Thu,21 DEC 2010	16:01:02 +0800

Strftime () All%

	Years	Month	Day	Week	Time 12	Time 24	Part	Seconds
Referred	Y (2-bit)		B	A	I (I capital)	H (Hour)	M (00-59)	S (00-59)
Name	Y (4-bit)		B	A	P (AM/PM)				C (10/20/12 10:50:20)
	ZZ (Time zone)	M (01-12)	D (01-31)	U (weeks)					X (10/20/12)
			J (1-366)	W (0-6)					X (10:50:20)
				W (<=>u)