time_sleep_until
Make the script sleep until the specified time
Syntax
time_sleep_until ( float $timestamp ) : bool
Parameters
timestamp
The timestamp when the script should wake.
Return
Returns TRUE on success or FALSE on failure.
Examples
1
<?
echo date('h:i:s') . PHP_EOL;
// 1 second after now
$timestamp = time() + 1;
time_sleep_until($timestamp);
echo date('h:i:s');
?>
12:07:01 12:07:02
2
<?
echo date('h:i:s') . PHP_EOL;
// 1 second after now
$timestamp = strtotime("1 second");
time_sleep_until($timestamp);
echo date('h:i:s');
?>
12:07:02 12:07:03
3
<? // 1 second before now $timestamp = time() - 1; // returns false and generates a warning $bool = time_sleep_until($timestamp); var_dump($bool); ?>
bool(false)
4
<? // 1 second after now $timestamp = time() + 1; $bool = time_sleep_until($timestamp); var_dump($bool); ?>
bool(true)
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