Location: PHPKode > projects > MJGUEST > mjguest/resources/PEAR/file_put_contents.php
<?php
// $Id: file_put_contents.php,v 1.27 2007/04/17 10:09:56 arpad Exp $


if (!defined('FILE_USE_INCLUDE_PATH')) {
    define('FILE_USE_INCLUDE_PATH', 1);
}

if (!defined('LOCK_EX')) {
    define('LOCK_EX', 2);
}

if (!defined('FILE_APPEND')) {
    define('FILE_APPEND', 8);
}


/**
 * Replace file_put_contents()
 *
 * @category    PHP
 * @package     PHP_Compat
 * @license     LGPL - http://www.gnu.org/licenses/lgpl.html
 * @copyright   2004-2007 Aidan Lister <hide@address.com>, Arpad Ray <hide@address.com>
 * @link        http://php.net/function.file_put_contents
 * @author      Aidan Lister <hide@address.com>
 * @version     $Revision: 1.27 $
 * @internal    resource_context is not supported
 * @since       PHP 5
 * @require     PHP 4.0.0 (user_error)
 */
function php_compat_file_put_contents($filename, $content, $flags = null, $resource_context = null)
{
    // If $content is an array, convert it to a string
    if (is_array($content)) {
        $content = implode('', $content);
    }

    // If we don't have a string, throw an error
    if (!is_scalar($content)) {
        user_error('file_put_contents() The 2nd parameter should be either a string or an array',
            E_USER_WARNING);
        return false;
    }

    // Get the length of data to write
    $length = strlen($content);

    // Check what mode we are using
    $mode = ($flags & FILE_APPEND) ?
                'a' :
                'wb';

    // Check if we're using the include path
    $use_inc_path = ($flags & FILE_USE_INCLUDE_PATH) ?
                true :
                false;

    // Open the file for writing
    if (($fh = @fopen($filename, $mode, $use_inc_path)) === false) {
        user_error('file_put_contents() failed to open stream: Permission denied',
            E_USER_WARNING);
        return false;
    }

    // Attempt to get an exclusive lock
    $use_lock = ($flags & LOCK_EX) ? true : false ;
    if ($use_lock === true) {
        if (!flock($fh, LOCK_EX)) {
            return false;
        }
    }

    // Write to the file
    $bytes = 0;
    if (($bytes = @fwrite($fh, $content)) === false) {
        $errormsg = sprintf('file_put_contents() Failed to write %d bytes to %s',
                        $length,
                        $filename);
        user_error($errormsg, E_USER_WARNING);
        return false;
    }

    // Close the handle
    @fclose($fh);

    // Check all the data was written
    if ($bytes != $length) {
        $errormsg = sprintf('file_put_contents() Only %d of %d bytes written, possibly out of free disk space.',
                        $bytes,
                        $length);
        user_error($errormsg, E_USER_WARNING);
        return false;
    }

    // Return length
    return $bytes;
}


// Define
if (!function_exists('file_put_contents')) {
    function file_put_contents($filename, $content, $flags = null, $resource_context = null)
    {
        return php_compat_file_put_contents($filename, $content, $flags, $resource_context);
    }
}
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