(PHP 4, PHP 5, PHP 7)
Delay execution in microseconds
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.
Returns:
No value is returned.
Examples:
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() -
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