1 | <?php
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2 | // +----------------------------------------------------------------------+
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3 | // | PHP Version 4 |
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4 | // +----------------------------------------------------------------------+
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5 | // | Copyright (c) 1997-2004 The PHP Group |
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6 | // +----------------------------------------------------------------------+
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7 | // | This source file is subject to version 3.0 of the PHP license, |
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8 | // | that is bundled with this package in the file LICENSE, and is |
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9 | // | available at through the world-wide-web at |
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10 | // | http://www.php.net/license/3_0.txt. |
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11 | // | If you did not receive a copy of the PHP license and are unable to |
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12 | // | obtain it through the world-wide-web, please send a note to |
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13 | // | license@php.net so we can mail you a copy immediately. |
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14 | // +----------------------------------------------------------------------+
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15 | // | Authors: Aidan Lister <aidan@php.net> |
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16 | // +----------------------------------------------------------------------+
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17 | //
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18 | // $Id: call_user_func_array.php,v 1.13 2005/01/26 04:55:13 aidan Exp $
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19 |
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20 |
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21 | /**
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22 | * Replace call_user_func_array()
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23 | *
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24 | * @category PHP
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25 | * @package PHP_Compat
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26 | * @link http://php.net/function.call_user_func_array
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27 | * @author Aidan Lister <aidan@php.net>
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28 | * @version $Revision: 1.13 $
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29 | * @since PHP 4.0.4
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30 | * @require PHP 4.0.0 (user_error)
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31 | */
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32 | if (!function_exists('call_user_func_array')) {
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33 | function call_user_func_array($function, $param_arr)
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34 | {
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35 | $param_arr = array_values((array) $param_arr);
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36 |
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37 | // Sanity check
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38 | if (!is_callable($function)) {
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39 | if (is_array($function) && count($function) > 2) {
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40 | $function = $function[0] . '::' . $function[1];
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41 | }
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42 | $error = sprintf('call_user_func_array() First argument is expected ' .
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43 | 'to be a valid callback, \'%s\' was given', $function);
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44 | user_error($error, E_USER_WARNING);
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45 | return;
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46 | }
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47 |
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48 | // Build argument string
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49 | $arg_string = '';
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50 | $comma = '';
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51 | for ($i = 0, $x = count($param_arr); $i < $x; $i++) {
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52 | $arg_string .= $comma . "\$param_arr[$i]";
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53 | $comma = ', ';
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54 | }
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55 |
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56 | // Determine method of calling function
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57 | if (is_array($function)) {
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58 | $object =& $function[0];
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59 | $method = $function[1];
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60 |
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61 | // Static vs method call
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62 | if (is_string($function[0])) {
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63 | eval("\$retval = $object::\$method($arg_string);");
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64 | } else {
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65 | eval("\$retval = \$object->\$method($arg_string);");
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66 | }
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67 | } else {
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68 | eval("\$retval = \$function($arg_string);");
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69 | }
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70 |
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71 | return $retval;
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72 | }
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73 | }
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74 |
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75 | ?> |
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