Date () is a commonly used date-time function, let me summarize the date () function of the various forms of usage, there is a need to learn the friend can refer to.
Formatted dateThe first parameter of the date () function specifies how the date/
Date () is a commonly used date-time function, let me summarize the date () function of the various forms of usage, there is a need to learn the friend can refer to.Formatted dateThe first parameter of the date () function specifies how the
Array: "Focus 1"Implode (delimited, arr) connects the array value data to the specified characters.
For example:
$arr =array (' 1 ', ' 2 ', ' 3 ', ' 4 ');
$str =implode ('-', $arr);
Explode ([delimited],arr) splits a string by the specified rule,
php datetime function date ()
1, year-month-day
echo Date (' y-m-j ');
2007-02-6
echo Date (' y-n-j ');
07-2-6
Uppercase Y represents the year four digits, while lowercase y represents the two digits of the year;
Lowercase m represents the number
Formatted dateThe first parameter of the date () function specifies how the date/time is formatted. It uses letters to represent the format of dates and times. Here is a list of some availableThe letters:D-Day of the month (01-31)• M-Current month,
Whether they are accustomed to displaying the current server time or logging the next instance of a database entry, PHP's date and time functions are an important part of their toolkit for any network developer.
But any tool needs a person to
checkdate ($month, $date, $year)
If the applied value constitutes a valid date, the function returns to true. For example, for the error date February 31, 2005, this function returns FALSE.
Use this function to check the date and make the date
Checkdate ($month, $date, $year)If the applied value constitutes a valid date, the function returns to true. For example, for the error date February 31, 2005, this function returns FALSE.
Use this function to check the date and make the date
CONVERT (Data_type,expression[,style])CONVERT (varchar (10), field name, conversion format)DescriptionThis style is typically in the time type (Datetime,smalldatetime) and the string type (Nchar,nvarchar,char,varchar)It is only used when converting
CONVERT (Data_type,expression[,style])CONVERT (varchar (10), field name, conversion format)
DescriptionThis style is generally in the type of time (datetime,smalldatetime) and String type (Nchar,nvarchar,char,varchar)When they are converted to each
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