In-depth study of PHP date function date()_PHP tutorial

Date format is often difficult to control in programming. PHP date function is quite commonly used, so I studied the PHP date function and shared it with you here. I hope it will be useful to everyone. PHP's date and time function date()

1, year-month-day

<ol class="dp-xml">
<li class="alt"><span><span>echo date('Y-m-j');  </span></span></li>
<li class=""><span>2007-02-6  </span></li>
<li class="alt"><span> </span></li>
<li class=""><span>echo date('y-n-j');  </span></li>
<li class="alt"><span>07-2-6  </span></li>
</ol>

uppercase Y represents the four-digit year, while lowercase y represents the year. Two digits; lowercase m represents the number of the month (with a leading), while lowercase n represents the number of the month without the leading.

<ol class="dp-xml">
<li class="alt"><span><span>echo date('Y-M-j');  </span></span></li>
<li class=""><span>2007-Feb-6  </span></li>
<li class="alt"><span> </span></li>
<li class=""><span>echo date('Y-m-d');  </span></li>
<li class="alt"><span>2007-02-06  </span></li>
</ol>

Capital M represents the 3 abbreviation characters of the month, while lowercase m represents the number of the month (with leading 0); there is no uppercase J, only lowercase j represents the date of the month, without leading o; If a leading month is required, use a lowercase d.

<ol class="dp-xml">
<li class="alt"><span><span>echo date('Y-M-j');  </span></span></li>
<li class=""><span>2007-Feb-6  </span></li>
<li class="alt"><span> </span></li>
<li class=""><span>echo date('Y-F-jS');  </span></li>
<li class="alt"><span>2007-February-6th  </span></li>
</ol>

Capital M represents the 3 abbreviated characters of the month, while capital F represents the full English version of the month. (No lowercase f) Capital S represents date suffixes, such as "st", "nd", "rd" and "th", depending on the date number. Summary: You can use uppercase Y and lowercase y to express the year; you can use uppercase F, uppercase M, lowercase m, and lowercase n to express the month (two ways of representing characters and numbers respectively); you can use lowercase d and lowercase j to express the day. A capital S represents the suffix of the date.

2, hour:minute:second

By default, PHP interprets the displayed time as "Greenwich Mean Time", which is different from our local The time difference is 8 hours.

<ol class="dp-xml">
<li class="alt"><span><span>echo date('g:i:s a');  </span></span></li>
<li class=""><span>5:56:57 am  </span></li>
<li class="alt"><span> </span></li>
<li class=""><span>echo date('h:i:s A');  </span></li>
<li class="alt"><span>05:56:57 AM  </span></li>
</ol>

The lowercase g represents the 12-hour clock without leading 0, while the lowercase h represents the 12-hour clock with leading 0. When using the 12-hour clock, it is necessary to indicate morning and afternoon. Lowercase a represents lowercase "am" and "pm", and uppercase A represents uppercase "AM" and "PM". A capital G represents the hour in the 24-hour format, but without a leading; use a capital H to represent the hour in the 24-hour format with a leading. Summary: The letter g represents the hour without a leading, and the letter h represents the hour with a leading; lowercase g and h represent the 12-hour clock, and capital G and H represent the 24-hour clock. The above is an introduction to the simple PHP date function year-month-day, hour:minute:second. I hope it will be helpful to everyone.

http://www.bkjia.com/PHPjc/446513.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/446513.htmlTechArticleThe format of dates is often difficult to control in programming. PHP date functions are quite commonly used, so I did some research. PHP date function, I will share it with you here, I hope it will be helpful to everyone...