Execute custom request like any other eio

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eio_custom ( callable $execute , int $pri , callable $callback [, mixed $data = NULL ] ) : resource

eio_custom() executes custom function specified by execute processing it just like any other eio_* call.

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execute

Specifies the request function that should match the following prototype:

      mixed execute(mixed data);

callback is event completion callback that should match the following prototype:

      void callback(mixed data, mixed result);

data is the data passed to execute via data argument without modifications result value returned by execute

pri

��ȼ��EIO_PRI_DEFAULT��EIO_PRI_MIN��EIO_PRI_MAX �� NULL�� NULL��pri ��Ϊ EIO_PRI_DEFAULT��

callback

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void callback(mixed $data, int $result[, resource $req]);

data: ��ݸ��û��ݡ�
result: ��Ľ��ֵ��ͨ��Ӧ��ϵͳ��÷��ص�ֵ��
req: ��ѡ��Դ��ɱ� eio_get_last_error() ֮��ĺ��ʹ�á�

data

Arbitrary variable passed to callback.

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eio_custom() returns request resource on success or FALSE on error.

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Example #1 eio_custom() example


<?php
/* Callback for the custom callback */
function my_custom_callback($data, $result) {
    var_dump($data);
    var_dump(count($result));
    var_dump($result['data_modified']);
    var_dump($result['result']);
}

/* The custom request */
function my_custom($data) {
    var_dump($data);

    $result  = array(
        'result'        => 1001,
        'data_modified' => "my custom data",
    );

    return $result;
}

$data = "my_custom_data";
$req = eio_custom("my_custom", EIO_PRI_DEFAULT, "my_custom_callback", $data);
var_dump($req);
eio_event_loop();
?>

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resource(4) of type (EIO Request Descriptor)
string(14) "my_custom_data"
string(14) "my_custom_data"
int(2)
string(14) "my custom data"
int(1001)

eio_custom

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