usleep

PHP 4, PHP 5, PHP 7, PHP 8
usleep - Delay execution in microseconds
Manual
Code Examples

usleep( int$microseconds ): void

Delays program execution for the given number of microseconds.

Parameters

microseconds

Halt time in microseconds. A microsecond is one millionth of a second.

Note:

Values larger than 1000000 (i.e. sleeping for more than a second) may not be supported by the operating system. Use sleep instead.

Note:

On Windows, the system may sleep longer that the given number of microseconds, depending on the hardware.

Return Values

No value is returned.

Related Functions

Example of usleep

Show all examples for usleep

PHP Version:


Function usleep:

Miscellaneous Functions Functions

Most used PHP functions