PHP strtotime function unix timestamp _php tips

The now parameter does not work if the time is in absolute times format. If time is in a relative time format, it is provided by now, or the current time is not available if the?? Returns-1 when failed.

<?php
Echo Strtotime ("Now"), "\ n";
Echo Strtotime ("September"), "\ n";
Echo strtotime ("+1 Day"), "\ n";
Echo strtotime ("+1 Week"), "\ n";
Echo strtotime ("+1 Week 2 days 4 hours 2 Seconds"), "\ n";
Echo Strtotime ("next Thursday"), "\ n";
Echo Strtotime ("Last Monday"), "\ n";
? ><?php
$str = ' not good ';
if (($timestamp = Strtotime ($str)) = = = 1) {
echo "The string ($STR) is bogus";
} else {
echo "$str = =". Date (' L DS of F Y h:i:s A ', $timestamp);
}
?>
This effect is the same as using Mktime ().