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The date_format() function returns a date formatted according to the specified format.
The strtotime() function parses an English textual datetime into a Unix timestamp (the number of seconds since January 1 1970 00:00:00 GMT). Note: If the year is specified in a two-digit format, values between 0-69 are mapped to 2000-2069 and values between 70-100 are mapped to 1970-2000.
The T is just a literal to separate the date from the time, and the Z means “zero hour offset” also known as “Zulu time” (UTC). If your strings always have a “Z” you can use: SimpleDateFormat format = new SimpleDateFormat( “yyyy-MM-dd'T'HH:mm:ss).
Summary. The date function in PHP is used to format the timestamp into a human desired format. The timestamp is the number of seconds between the current time and 1st January, 1970 00:00:00 GMT. It is also known as the UNIX timestamp. All PHP date() functions use the default time zone set in the php.ini file.
why not use date() just like below,try this
$t = strtotime('20130409163705');
echo date('d/m/y H:i:s',$t);
and will be output
09/04/13 16:37:05
For PHP 5 >= 5.3.0 http://www.php.net/manual/en/datetime.createfromformat.php
$datetime = "20130409163705";
$d = DateTime::createFromFormat("YmdHis", $datetime);
echo $d->format("d/m/Y H:i:s"); // or any you want
Result:
09/04/2013 16:37:05
date("Y-m-d H:i:s", strtotime("2019-05-13"))
If you want to use substr(), you can easily add the dashes or slashes like this..
$datetime = "20130409163705";
$yyyy = substr($datetime,0,4);
$mm = substr($datetime,4,6);
$dd = substr($datetime,6,8);
$hh = substr($datetime,8,10);
$MM = substr($datetime,10,12);
$ss = substr($datetime,12,14);
$dt_formatted = $mm."/".$dd."/".$yyyy." ".$hh.":".$MM.":".$ss;
You can figure out any further formatting from that point.
try this
$datetime = "20130409163705";
print_r(date_parse_from_format("Y-m-d H-i-s", $datetime));
the output:
[year] => 2013
[month] => 4
[day] => 9
[hour] => 16
[minute] => 37
[second] => 5
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