diff --git a/reference/datetime/functions/strtotime.xml b/reference/datetime/functions/strtotime.xml index 187946cfaf..a40bfc13a3 100644 --- a/reference/datetime/functions/strtotime.xml +++ b/reference/datetime/functions/strtotime.xml @@ -203,11 +203,12 @@ if (($timestamp = strtotime($str)) === false) { 1901 20:45:54 UTC to Tue, 19 Jan 2038 03:14:07 UTC. (These are the dates that correspond to the minimum and maximum values for a 32-bit signed integer.) - Additionally, not all platforms support negative timestamps, therefore + + + Prior to PHP 5.1.0, not all platforms support negative timestamps, therefore your date range may be limited to no earlier than the Unix epoch. This means that e.g. dates prior to Jan 1, 1970 will not work on Windows, - some Linux distributions, and a few other operating systems. PHP 5.1.0 and - newer versions overcome this limitation though. + some Linux distributions, and a few other operating systems. For 64-bit versions of PHP, the valid range of a timestamp is effectively