Create a symbolic link

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eio_symlink ( string $path , string $new_path [, int $pri = EIO_PRI_DEFAULT [, callable $callback = NULL [, mixed $data = NULL ]]] ) : resource

eio_symlink() creates a symbolic link new_path to path.

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path

Source path

new_path

Target path

pri

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callback

callback ��ʱ��á��Ӧƥ��һ��ԭ�ͣ�


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

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req: ��ѡ��Դ��ɱ� eio_get_last_error() ֮��ĺ��ʹ�á�

data

Arbitrary variable passed to callback.

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

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Example #1 eio_symlink() example


<?php
$filename = dirname(__FILE__)."/symlink.dat";
touch($filename);
$link = dirname(__FILE__)."/symlink.link";

function my_symlink_cb($data, $result) {
    global $link, $filename;
    var_dump(file_exists($data) && is_link($data));

    if (!eio_readlink($data, EIO_PRI_DEFAULT, "my_readlink_cb", NULL)) {
        @unlink($link);
        @unlink($filename);
    }
}

function my_readlink_cb($data, $result) {
    global $filename, $link;
    var_dump($result);

    @unlink($link);
    @unlink($filename);
}

eio_symlink($filename, $link, EIO_PRI_DEFAULT, "my_symlink_cb", $link);
eio_event_loop();
?>

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bool(true)
string(16) "/tmp/symlink.dat"

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eio_link

eio_symlink

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