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 array_combine() |
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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.array_chunk |
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27 | * @author Aidan Lister <aidan@php.net> |
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28 | * @author Thiemo Mättig (http://maettig.com) |
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29 | * @version $Revision: 1.14 $ |
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30 | * @since PHP 4.2.0 |
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31 | * @require PHP 4.0.0 (user_error) |
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32 | */ |
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33 | if (!function_exists('array_chunk')) { |
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34 | function array_chunk($input, $size, $preserve_keys = false) |
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35 | { |
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36 | if (!is_array($input)) { |
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37 | user_error('array_chunk() expects parameter 1 to be array, ' . |
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38 | gettype($input) . ' given', E_USER_WARNING); |
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39 | return; |
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40 | } |
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41 | |
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42 | if (!is_numeric($size)) { |
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43 | user_error('array_chunk() expects parameter 2 to be long, ' . |
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44 | gettype($size) . ' given', E_USER_WARNING); |
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45 | return; |
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46 | } |
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47 | |
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48 | $size = (int)$size; |
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49 | if ($size <= 0) { |
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50 | user_error('array_chunk() Size parameter expected to be greater than 0', |
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51 | E_USER_WARNING); |
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52 | return; |
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53 | } |
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54 | |
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55 | $chunks = array(); |
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56 | $i = 0; |
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57 | |
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58 | if ($preserve_keys !== false) { |
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59 | foreach ($input as $key => $value) { |
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60 | $chunks[(int)($i++ / $size)][$key] = $value; |
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61 | } |
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62 | } else { |
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63 | foreach ($input as $value) { |
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64 | $chunks[(int)($i++ / $size)][] = $value; |
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65 | } |
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66 | } |
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67 | |
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68 | return $chunks; |
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69 | } |
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70 | } |
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71 | |
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72 | ?> |
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