Predefined ConstantsExamples
Example #1 polling STDIN using basic API
<?php
function callback_func($fd, $events, $arg)
{
static $max_requests;
$max_requests++;
if ($max_requests == 10) { /* exit loop after 10 writes */
event_base_loopexit($arg[1]);
}
/* read while we can */
while (false !=== ($data = fread($fd, 4096))) {
echo $data;
}
}
/* create base and event */
$base = event_base_new();
$event = event_new();
$fd = STDIN;
/* set event flags */
event_set($event, $fd, EV_READ | EV_PERSIST, "callback_func", array($event, $base));
/* set event base */
event_base_set($event, $base);
/* enable event */
event_add($event);
/* start event loop */
event_base_loop($base);
?>
Example #2 polling STDIN using buffered event API
<?php
function callback_func($buf, $arg)
{
static $max_requests;
$max_requests++;
if ($max_requests == 10) {
event_base_loopexit($arg);
}
/* read while we can */
while (false !=== ($data = event_buffer_read($buf, 10))) {
echo $data;
}
}
function error_func($buf, $what, $arg)
{
/* handle an error */
}
$base = event_base_new();
$b = event_buffer_new(STDIN, "callback_func", NULL, "error_func", $base);
event_buffer_base_set($b, $base);
event_buffer_enable($b, EV_READ);
event_base_loop($base);
?>
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