PHP tip php warning:date (): It is not safe to rely on the ... Solutions to security errors

PHP tip php warning:date (): It is not safe to rely on the ... Solutions to security errors

When you use a foreign host or a PHP environment that you install yourself, the following problems often occur because you do not have a PHP time zone configured:

PHP warning:date (): It is not safe for rely on the system ' s timezone settings. You is *required* to use the Date.timezone setting or the Date_default_timezone_set () function. In case you used any of those methods and you is still getting this warning, your most likely misspelled the timezone Iden Tifier. We selected ' UTC ' for ' 8.0/no DST ' instead in ...

Or

PHP warning:strtotime (): It is not safe for rely on the system ' s timezone settings. You is *required* to use the Date.timezone setting or the Date_default_timezone_set () function. In case you used any of those methods and you is still getting this warning, your most likely misspelled the timezone Iden Tifier. We selected ' UTC ' for ' 8.0/no DST ' instead in ...

and other time zone security warning questions.

This is because the default time to get PHP is Greenwich Mean time, so this time will be 8 hours from the standard Beijing time, we can use the following methods to solve:

1. Use Date_default_timezone_set (' PRC ') in the header to set the time zone for Beijing.

2, set the value of Date.timezone in the server configuration file php.ini to PRC, set the following as: DATE.TIMEZONE=PRC, and also remove the previous semicolon, that is, uncomment this line of code.

Hint: date_timezone_set-alias Datetime::settimezone ()

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