PHP – timezone_identifiers_list() Function
The PHP timezone_identifiers_list() returns an indexed array containing all timezone identifiers.
PHP – timezone_location_get() Function
The PHP timezone_location_get() returns location information for the given timezone.
PHP – timezone_name_from_abbr() Function
The PHP timezone_name_from_abbr() returns the timezone name from abbreviation.
PHP – timezone_offset_get() Function
The PHP timezone_offset_get() returns the timezone offset from GMT.
PHP – timezone_transitions_get() Function
The PHP timezone_transitions_get() returns all transitions for the timezone.
PHP – timezone_version_get() Function
The PHP timezone_version_get() function returns the version of the timezonedb.
PHP – tmpfile() Function
The PHP tmpfile() function creates a temporary file with a unique name in read-write (w+) mode.
PHP – touch() Function
The PHP touch() function sets the access and modification time of the specified file.
PHP – trigger_error() Function
The PHP trigger_error() function creates a user-level error message and can be used with the built-in error handler, or with a user-defined function.
PHP – uasort() Function
The PHP uasort() function sorts an array by values using a user-defined comparison function while keeping the index association.
PHP – uksort() Function
The PHP uksort() function sorts an array by keys using a user-defined comparison function while keeping the index association.
PHP – uniqid() Function
The PHP uniqid() function generates a unique ID based on the microtime (the current time in microseconds).
PHP – unixtojd() Function
The PHP unixtojd() function converts a Unix timestamp (the number of seconds since midnight of January 1, 1970) to a Julian Day Count.
PHP – usleep() Function
The PHP usleep() function delays execution of the current script for a specified number of microseconds (one millionth of a second).
PHP – usort() Function
The PHP usort() function sorts an array by values using a user-defined comparison function.