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Php strtotime('0000-00-00 00:00') showing strange behavior.
Its returning negative value something like -62169984000.
I have Php version 5.4.17 in my 64-bit System. It should return false value which is expected.
But when I checked in other 32-bit system its returning false.
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Return Values PHP strtotime() function returns a timestamp value for the given date string. Incase of failure, this function returns the boolean value false.
strtotime expects a "English textual datetime" (according to the manual), which Y-D-M is not. Any time strtotime returns false, it simply doesn't understand your string, which in this application is expected.
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.
You can use DateTime::modify to add time, but I would just do time()+10800 . Show activity on this post. $time = new DateTime("+ 3 hour"); $timestamp = $time->format('Y-M-d h:i:s a');
On your system integers are 64 bits, so there is enough range to count seconds from the Unix epoch all the way back to 0 AD. Therefore strtotime works as advertised and returns a (very large) negative number. The return value is correct, your expectation is not.
In a 32-bit system the integer range is only sufficient to cover a ~68 year period, so going back earlier than about 1970 - 68 = 1902 will result in false being returned. Dates between 1902 and 1970 will still result in negative numbers.
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