usleep
usleep
(PHP 4, PHP 5, PHP 7)
usleep — Delay execution in microseconds
Description
void usleep ( int $micro_seconds )
Delays program execution for the given number of microseconds.
Parameters
micro_seconds
Halt time in microseconds. A microsecond is one millionth of a second.
Return Values
No value is returned.
Examples
Example #1 usleep() example
<?php
// Current time
echo date('h:i:s') . "\n";
// wait for 2 seconds
usleep(2000000
// back!
echo date('h:i:s') . "\n";
?>
The above example will output:
11:13:28
11:13:30
See Also
- sleep() - Delay execution
- time_nanosleep() - Delay for a number of seconds and nanoseconds
- time_sleep_until() - Make the script sleep until the specified time
- set_time_limit() - Limits the maximum execution time
← unpack
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