PHP – sqrt() Function
The PHP sqrt() function returns the square root of a number.
PHP – stat() Function
The PHP stat() function returns information about a file. The informational array may contain the number index, the name index, or both.
PHP – static Keyword
The PHP static keyword is used to declare properties and methods of a class as static (can be used without creating an instance of the class).
PHP – strftime() Function
The PHP strftime() function formats a local time and/or date according to locale settings.
PHP – strtotime() Function
The PHP strtotime() function parses an English textual datetime into a Unix timestamp (the number of seconds since January 1 1970 00:00:00 GMT).
PHP – symlink() Function
The PHP symlink() function creates a symbolic link from the existing target with the specified name link.
PHP – switch Keyword
The PHP switch keyword is used to create a switch conditional, which choose a block of code to run based on the value of an expression.
PHP – sys_getloadavg() Function
The PHP sys_getloadavg() function returns the system load average as an array (three numbers) that are the average load over the last 1, 5 and 15 minutes.
PHP – tanh() Function
The PHP tanh() function returns the hyperbolic tangent of a number, which is equal to sinh(x)/cosh(x).
PHP – tempnam() Function
The PHP tempnam() function creates a temporary file with a unique name in the specified directory.
PHP – throw Keyword
The PHP throw keyword is used to throw exceptions to change the program flow if an unexpected situation arises, such as invalid data.
PHP – time() Function
The PHP time() function returns the current time in the number of seconds since the Unix Epoch (January 1 1970 00:00:00 GMT).
PHP – time_nanosleep() Function
The PHP time_nanosleep() function delays execution of the current script for a specified number of seconds and nanoseconds.
PHP – time_sleep_until() Function
The PHP time_sleep_until() function is used to make a script sleep until the specified time.
PHP – timezone_abbreviations_list() Function
The PHP timezone_abbreviations_list() returns an associative array containing dst, offset, and the timezone name.
PHP – timezone_identifiers_list() Function
The PHP timezone_identifiers_list() returns an indexed array containing all timezone identifiers.