Date function usage
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Date ($ t ); |
The format is as follows:
Format: year-month-day hour: minute: Second
Related time parameters:
A-"am" or "pm"
A-"AM" or "PM"
D-a few days, two digits. If there are less than two digits, fill in the first zero. For example, "01" to "31"
D-the day of the week, with three English letters, for example, "Fri"
F-month, full English name; for example: "January"
H-12 hours, for example, "01" to "12"
H-24 hours, for example, "00" to "23"
Hours in the g-12 hour format. Less than two hours do not fill in zero. For example: "1" to 12"
Hours in the G-24-hour format. Less than two hours do not fill in zero. For example: "0" to "23"
I-minutes; for example: "00" to "59"
J-a few days, two digits. If less than two digits are left blank, for example, "1" to "31"
L-the day of the week, full name in English; for example: "Friday"
M-month, two digits. If there are less than two digits, add zero in front, for example, "01" to "12"
N-month, two digits. If less than two digits are left blank, for example, "1" to "12"
M-month, with three English letters, for example, "Jan"
S-seconds; for example: "00" to "59"
The end of the S-character is followed by an English sequence, with two English letters, for example, "th", "nd"
T-specifies the number of days in a month, for example, "28" to "31"
U-total seconds
W-number of weeks, for example, "0" (Sunday) to "6" (Saturday)
Y-year, four digits, such as: "1999"
Y-year, two digits, for example, "99"
Z-the day of the year, for example, "0" to "365"
You can freely set the displayed content, connection symbols, or display locations, such as date ("m-d H") or date ("dmY");?> Such as date processing in php
Instance
1, year-month-day
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Echo date ('Y-m-J '); 2007-02-6 Echo date ('Y-n-J ');
07-2-6 |
Uppercase Y indicates four digits of the year, while lowercase y indicates two digits of the year;
Lowercase m indicates the number of the month (with the leading digit), while lowercase n indicates the number of the month without the leading digit.
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Echo date ('Y-M-J '); 2007-Feb-6 Echo date ('Y-m-D '); 2007-02-06 |
Uppercase M indicates the three abbreviations of the month, while lowercase m indicates the number of the month (with leading 0 );
There is no upper-case J. Only lower-case j indicates the date of the month, and there is no leading o. If the month needs to have the upper-case J, the lower-case d is used.
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Echo date ('Y-M-J '); 2007-Feb-6 Echo date ('Y-F-js '); 2007-February-6th |
Uppercase M indicates the three abbreviated characters of the month, while uppercase F indicates the full English writing of the month. (No lower case f)
Uppercase S indicates the suffix of a date, such as "st", "nd", "rd", and "th". For details, see the date number.
Summary:
Y indicates that the year can be in uppercase or lowercase y;
Indicates that the month can be written in uppercase letters (F), uppercase letters (M), lowercase letters (m), and lowercase letters (n );
Indicates the date suffix.
2, hour: minute: Second
By default, PHP interprets the display time as "Greenwich Mean Time", which is 8 hours different from our local time.
The code is as follows: |
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Echo date ('G: I: s '); 5:56:57 am Echo date ('H: I: s '); 05:56:57 AM |
Lowercase g indicates the 12-hour system, with no leading 0, while lowercase h indicates the 12-hour system with leading 0.
When the 12-hour format is used, it indicates that upper afternoon, lower case a indicates lower case "am" and "pm", and upper case A indicates upper case "AM" and "PM ".
The code is as follows: |
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Echo date ('G: I: s '); 14:02:26 |