One, with 0 echo date (' y-m-d '), 2012-08-08 second, no 0 echo date (' Y-n-j '), 2012-8-8 The following parameters are detailed (reproduced): A-"AM" or "PM" A-"AM" or "PM" D-days, two digits, If less than two digits, the front is 0; such as: "01" to "D"-Day of the week, three letters of English; such as: "Fri" F-month, English full name; such as: "January" h-12 hours of the hour system; such as: "01" to "a" H-24 hours of the hour system; such as: "00" to "g-12" hours of the hour system, less than two does not fill 0; such as: "1" to three "G-24 hours of the hour, less than two does not fill 0; such as: "0" to "the" I-minute; such as: "00" to "the" J-a few days, two digits, if less than two bits do not fill 0; such as: "1" to "~" L-day of the week, English full name; such as: "Friday" M-month, two digits, if less than two digits in front of 0; such as: "01" to "three" N-month, two digits, if less than two will not fill 0; such as: "1" to "ten" M-month, three English letters; such as: "Jan" s-second; such as: "00" to "the" S-the end of the English ordinal, two English letters; such as: "th", "nd" T-Specify the number of days of the month; e.g. "28" to "U"-Total number of seconds W-number of days of the week, such as: "0" (Sunday) to "6" (Saturday) Y-year, four digits; such as: "1999" Y-year, two digits; such as: "" "Z-the first day of the year; such as: "0" to "365"
Date function month and day in PHP 0 problem