PHP Time function Strtotime use detailed

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Definition and Usage strtotime ()
The strtotime () function resolves the datetime description of any English text to a Unix timestamp.

Grammar
Strtotime (Time,now)

parameters	description /th>
Specifies the time string to parse.
now

• Description
  The function expects to accept a string containing the U.S. English date format and attempts to resolve it to a Unix timestamp (the number of seconds from January 1 1970 00:00:00 GMT) whose value is relative to now The parameter gives the time, if this parameter is not provided, the current time of the system.
  The function uses the TZ environment variable, if any, to calculate the timestamp. Since PHP 5.1.0 There is an easier way to define a time zone for all date/time functions. This procedure is described in the Date_default_timezone_get () function page.

#1echo strtotime ("Now");  Gets the current timestamp echo date (' y-m-d h:i:s ', Strtotime ("Now"));//#2echo Strtotime ("2015-06-11 10:11:00");   Gets the specified timestamp echo date (' y-m-d h:i:s ', Strtotime ("2015-06-11 10:11:00")),//#3echo Strtotime ("3 October 2005"); Gets the specified timestamp [equivalent to Strtotime ("2005-10-03")]echo date (' y-m-d h:i:s ', Strtotime ("3 October 2005")),//#4echo strtotime ("+5 Hours ");   Current time plus five hours [comparison #1]echo date (' y-m-d h:i:s ', Strtotime ("+5 hours")),//#5echo Strtotime ("+1 Day");  Current time plus 1 days [comparison #1]echo date (' y-m-d h:i:s ', Strtotime ("+1 Day")),//#6echo strtotime ("+2 days"); The current time plus multi-day noun variable complex [contrast #1]echo date (' y-m-d h:i:s ', Strtotime ("+2 Days")),//#7echo strtotime ("+1 Week 3 days 7 hours 5 second S "); Current time plus 1 weeks 3 days 7 hours 5 seconds [Compare #1]echo date (' y-m-d h:i:s ', Strtotime ("+1 Week 3 day 7 hours 5 Seconds"));//#8echo Strtotime ("N  Ext Monday ");  Current time Next Monday echo date (' y-m-d h:i:s ', Strtotime ("Next Monday"));//#9echo Strtotime ("Last Sunday"); Current time before a Sunday echo date (' y-m-d h:i:s ', Strtotime ("Last Sunday"));//#10echo StRtotime ("-1 Day", Strtotime ("2018-07-01 10:11:00")); The given time minus one day echo date (' y-m-d h:i:s ', Strtotime ("-1 Days", Strtotime ("2018-07-01 10:11:00"));

time noun:
year of the plural years
month months plural months
Zhou Week plural weeks
daily day plural days
when hour complex hours
divided second plural seconds
seconds minute plural minutes
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