usleep
(PHP 3, PHP 4, PHP 5)
usleep -- Delay execution in microseconds
Description
void
usleep ( int micro_seconds )
Delays program execution for the given number of micro seconds.
Parameters
micro_seconds
Halt time in micro seconds. A micro second 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";
?>
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The above example will output: |