Home  >  Article  >  Backend Development  >  php interview_ci framework_interview question summary

php interview_ci framework_interview question summary

不言
不言Original
2018-04-04 14:31:281247browse


1. Time:

1. Use PHP to print out the time format of the previous day, such as: "2015-01-21 14:42:09"

echo date("Y-m-d H:i:s",strtotime("-1 day"))."<br/>";

2. Use PHP to print out the time format of last week, such as: "2015-01-15 14:42:09"

echo date("Y-m-d H:i:s",strtotime("-1 week"))."<br/>";

3. Use PHP to print out the time format of last month , such as: "2014-12-22 14:42:09"

echo date("Y-m-d H:i:s",strtotime("-1 month"))."<br/>";






##

The above is the detailed content of php interview_ci framework_interview question summary. For more information, please follow other related articles on the PHP Chinese website!

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn