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 | // $Id$ |
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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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