PHP – date_timestamp_get() Function
The PHP date_timestamp_get() function returns the Unix timestamp.
PHP – date_timestamp_set() Function
The PHP date_timestamp_set() function sets the date and time based on a Unix timestamp.
PHP – date_timezone_get() Function
The PHP date_timezone_get() function returns the time zone of the given DateTime object.
PHP – date_timezone_set() Function
The PHP date_timezone_set() function sets the time zone for the DateTime object.
PHP – debug_backtrace() Function
The PHP debug_backtrace() function generates a PHP backtrace which displays data from the code that led up to the debug_backtrace() function.
PHP – debug_print_backtrace() Function
The PHP debug_print_backtrace() function prints a PHP backtrace which displays data from the code that led up to the debug_print_backtrace() function.
PHP – default Keyword
The PHP default keyword is used in a switch block to specify which code to run when none of the case statements were matched by the expression.
PHP – dir() Function
The PHP dir() function returns an instance of the Directory class and is used to read a directory.
PHP – disk_free_space() Function
The PHP disk_free_space() function returns the free space, in bytes, of the specified filesystem or disk.
PHP – disk_total_space() Function
The PHP disk_total_space() function returns the total size, in bytes, of the specified filesystem or disk.
PHP – dns_check_record() Function
The PHP dns_check_record() function is an alias of the checkdnsrr() function.