How to use microtime in php?
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❮ PHP Date/Time Reference Show ExampleReturn the current Unix timestamp with microseconds: echo(microtime()); Try it Yourself » Definition and UsageThe microtime() function returns the current Unix timestamp with microseconds. SyntaxParameter Values
Technical Details
❮ PHP Date/Time Reference (PHP 4, PHP 5, PHP 7, PHP 8) microtime — Return current Unix timestamp with microseconds Descriptionmicrotime(bool For performance measurements, using hrtime() is recommended. Parametersas_float If used and set to Return Values By default, microtime() returns a string in the form "msec sec", where If ExamplesExample #1 Timing script execution
"Did nothing in $time seconds\n";Example #2 microtime() and
"Did nothing in $time seconds\n";See Also
View Discussion Improve Article Save Article View Discussion Improve Article Save Article The microtime() function is an inbuilt function in PHP which is used to return the current Unix timestamp with microseconds. The $get_as_float is sent as a parameter to the microtime() function and it returns the string microsec sec by default. Syntax: microtime( $get_as_float ) Parameters: This function accepts single parameter $get_as_float which is optional. If $get_as_float is set to TRUE then it specify that the function should return a float, instead of a string. Return Value: It returns the string microsec sec by default, where sec is the number of seconds since the Unix Epoch (0:00:00 January 1, 1970, GMT), and microsec is the microseconds part. If the $get_as_float parameter is set to TRUE, it returns a float representing the current time in seconds since the Unix epoch accurate to the nearest microsecond. Exceptions: The microtime() function is only available on operating systems that support the gettimeofday() system call. Below programs illustrate the microtime() function in PHP: Program 1:
Output: The micro time is :0.51423700 1535452933 Program 2:
Output: The micro time is :1535452935.2589 Related Articles:
Reference: http://php.net/manual/en/function.microtime.php What is microtime?Definition of microtime
: a very short interval of time (as 0.01 millionth of a second) microtime photography.
How can get current date and time in milliseconds PHP?php milliseconds. //Timing executation time of script.. $startTime = microtime(true); //get time in micro seconds(1 millionth). usleep(250);. $endTime = microtime(true);. echo "milliseconds to execute:". ($ endTime-$startTime)*1000;. Is PHP timestamp unique?uniqid() in PHP generates a unique ID based on the current timestamp in microseconds.
What is PHP time function?The time() function is a built-in function in PHP which returns the current time measured in the number of seconds since the Unix Epoch. The number of seconds can be converted to the current date using date() function in PHP. Syntax: int time()
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