eio_link

(PECL eio >= 0.0.1dev)

eio_link — Create a hardlink for file

说锟斤拷

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

eio_link() creates a hardlink new_path for a file specified by path.

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path

Source file path.

new_path

Target file path.

pri

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callback

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

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data

Arbitrary variable passed to callback.

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Example #1 eio_link() example


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

function my_hardlink_cb($data, $result) {
    global $link, $filename;
    var_dump(file_exists($data) && !is_link($data));
    @unlink($data);

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

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bool(true)
bool(true)
string(%d) "%ssymlink.dat"

锟轿硷拷

eio_symlink