Definition :
In php microtime() Function is inbuilt function.PHP microtime() function is used to return the current Unix timestamp with microseconds. It accepts only a single parameter which is optional. It returns the string microsec sec as output.
microtime(return_float);
| Parameter | Description |
|---|---|
| return_float | Optional. When set to TRUE it specifies that the function should return a float, instead of a string. Default is FALSE |
Given below example return the current Unix timestamp with microseconds:
Output : 0.89925400 1641448590
1641448590.8993