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eio_custom

PHP function Edit on GitHub ✎

(PECL eio >= 0.0.1dev)

Execute custom request like any other eio_* call

Description

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.

Parameters

execute

Specifies the request function that should match the following prototype:

php

      mixed execute(mixed data);

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

php

      void callback(mixed data, mixed result);

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

pri

Values

callback

Proto

data

Arbitrary variable passed to callback.

Return Values

eio_custom() returns request resource on success,Falseforfailure.

Examples

eio_custom() example

php

<?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();
?>

The above example will output something similar to:

output

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)

Source: reference/eio/functions/eio-custom.xml · from the official PHP manual (php/doc-en)