Local Test Cases:
# there can be no spaces on either side of the equal sign, before the error has been out here
yesterday= ' date-d last-day +%y-%m-%d '
curday= ' Date +%y-%m-%d '
echo "Now time: ' Date ' +%y%m%d%T '"
Very comprehensive PHP date-time Operations Summary, PHP date Summary
Before the example is explained, let's introduce several core functions:Mktime functionThe Mktime () function returns a Unix timestamp for a date.The parameter always represents
My MySQL data sheet person has an ID number field, which I want to sort by the date of birth, which is the seventh to 14th field in the ID number. The focus is on sorting. The CREATE statement for the person table is as follows:
$persql = "CREATE
This article focuses on php date and time operations, involving a comprehensive range of knowledge points. if you are interested, you can refer to the example to introduce several core functions:
The mktime () function returns the
PHP queries mysql. according to the ID card field, sort by date of birth. my mysql data table "person" contains an ID card number field, that is, sort by the seventh to 14th fields in the ID card number. The focus is sorting. The statement for
To query the score, you need to log on and then display the score of each discipline, but only the score is displayed without the score, that is, the weighted average score. Let's talk about our school website:
This article mainly sorts out the related content about the date and time calculation of php, which involves comprehensive knowledge points. If you are interested, please refer to it.
This article mainly sorts out the related content about the date
Php date and time knowledge ,. Php date, time-related knowledge, unix timestamp: the number of seconds that have elapsed since, January 1, January 1, 1970 to the current time. 1. convert a date to a UNIX timestamp mktime (): you can automatically
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