scratch – Blame information for rev 126
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Rev | Author | Line No. | Line |
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126 | office | 1 | <?php |
2 | /** |
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3 | * |
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4 | * This file is part of the Aura project for PHP. |
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5 | * |
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6 | * @package Aura.Uri |
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7 | * |
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8 | * @license http://opensource.org/licenses/bsd-license.php BSD |
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9 | * |
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10 | */ |
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11 | namespace Aura\Uri; |
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12 | |||
13 | /** |
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14 | * |
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15 | * Processing the query string |
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16 | * |
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17 | * @package Aura.Uri |
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18 | * |
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19 | */ |
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20 | class Query extends \ArrayObject |
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21 | { |
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22 | /** |
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23 | * |
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24 | * Returns the query portion as a string. |
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25 | * |
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26 | * @return string The query string; e.g., `foo=bar&baz=dib`. |
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27 | * |
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28 | */ |
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29 | public function __toString() |
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30 | { |
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31 | return $this->buildString($this->getArrayCopy()); |
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32 | } |
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33 | |||
34 | /** |
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35 | * |
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36 | * Sets values from a query string; overwrites any previous values. |
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37 | * |
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38 | * To set from an array, use `exchangeArray()`. |
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39 | * |
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40 | * @param string $spec The query string to use; for example, |
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41 | * `foo=bar&baz=dib`. |
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42 | * |
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43 | * @return void |
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44 | * |
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45 | */ |
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46 | public function setFromString($spec) |
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47 | { |
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48 | parse_str($spec, $query); |
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49 | $this->exchangeArray($query); |
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50 | } |
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51 | |||
52 | /** |
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53 | * |
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54 | * Build string from an array |
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55 | * |
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56 | * @param array $array |
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57 | * |
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58 | * @param string $prefix Defaults to null |
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59 | * |
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60 | * @return string Returns a string |
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61 | */ |
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62 | protected function buildString(array $array, $prefix = null) |
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63 | { |
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64 | $elem = []; |
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65 | foreach ($array as $key => $val) { |
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66 | |||
67 | $key = ($prefix) |
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68 | ? $prefix . '[' . $key . ']' |
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69 | : $key; |
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70 | |||
71 | if (is_array($val)) { |
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72 | $elem[] = $this->buildString($val, $key); |
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73 | } else { |
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74 | $val = ($val === null || $val === false) |
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75 | ? '' |
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76 | : rawurlencode($val); |
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77 | $elem[] = rawurlencode($key) . '=' . $val; |
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78 | } |
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79 | } |
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80 | |||
81 | return implode('&', $elem); |
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82 | } |
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83 | } |