PHP common library functions, php library functions _ PHP Tutorial

Common PHP library functions: php library functions. Common PHP library functions: php library functions 1. how to obtain the timestamp time () -- The number of milliseconds echotime () calculated from January 1, 1970; date echodate (Y-m-dH: I: s ); obtain common PHP library functions by default.
1. time and date

• How to obtain the timestamp time ()-The number of milliseconds since January 1, 1970

echo time();

• Date

echo date('Y-m-d H:i:s');

• Obtain the default time zone

echo date_default_timezone_get();

• The time obtained by default is different from the time on the local computer. you need to set the corresponding time zone.

Date_default_timezone_set ('Asia/Shanghai'); // Set it to the Shanghai time zone echo date ('Y-m-d H: I: s ');

• Converts a timestamp to a date.

echo date('Y-m-d H:i:s',time());echo '
';echo date('Y-m-d H:i:s',time());

Lifecycle 1. how to obtain the timestamp time () -- The number of milliseconds calculated since January 1, 1970 echo time (); date echo date ('Y-m-d H: I: s '); the default value is...