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635 | daniel-mar | 1 | <?php |
2 | |||
3 | /* |
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4 | * OIDplus 2.0 |
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1086 | daniel-mar | 5 | * Copyright 2019 - 2023 Daniel Marschall, ViaThinkSoft |
635 | daniel-mar | 6 | * |
7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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8 | * you may not use this file except in compliance with the License. |
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9 | * You may obtain a copy of the License at |
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10 | * |
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11 | * http://www.apache.org/licenses/LICENSE-2.0 |
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12 | * |
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13 | * Unless required by applicable law or agreed to in writing, software |
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14 | * distributed under the License is distributed on an "AS IS" BASIS, |
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15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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16 | * See the License for the specific language governing permissions and |
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17 | * limitations under the License. |
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18 | */ |
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19 | |||
1050 | daniel-mar | 20 | namespace ViaThinkSoft\OIDplus; |
635 | daniel-mar | 21 | |
1086 | daniel-mar | 22 | // phpcs:disable PSR1.Files.SideEffects |
23 | \defined('INSIDE_OIDPLUS') or die; |
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24 | // phpcs:enable PSR1.Files.SideEffects |
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25 | |||
635 | daniel-mar | 26 | class OIDplusQueryResultMySQLNoNativeDriver extends OIDplusQueryResult { |
27 | // Based on https://www.php.net/manual/de/mysqli-stmt.get-result.php#113398 |
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28 | |||
29 | protected $stmt = null; |
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30 | protected $nCols = null; |
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31 | protected $no_resultset = null; |
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32 | |||
1116 | daniel-mar | 33 | /** |
34 | * @param $stmt |
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35 | */ |
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635 | daniel-mar | 36 | public function __construct($stmt) { |
37 | $metadata = mysqli_stmt_result_metadata($stmt); |
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38 | |||
39 | $this->no_resultset = is_bool($metadata); |
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40 | |||
41 | if (!$this->no_resultset) { |
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42 | $this->nCols = mysqli_num_fields($metadata); |
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43 | $this->stmt = $stmt; |
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44 | |||
45 | mysqli_free_result($metadata); |
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46 | |||
47 | $this->stmt->store_result(); |
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48 | } |
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49 | } |
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50 | |||
1116 | daniel-mar | 51 | /** |
52 | * @return bool |
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53 | */ |
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635 | daniel-mar | 54 | public function containsResultSet(): bool { |
55 | return !$this->no_resultset; |
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56 | } |
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57 | |||
1116 | daniel-mar | 58 | /** |
59 | * @return int |
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60 | * @throws OIDplusException |
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61 | */ |
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635 | daniel-mar | 62 | public function num_rows(): int { |
63 | if ($this->no_resultset) throw new OIDplusException(_L('The query has returned no result set (i.e. it was not a SELECT query)')); |
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64 | |||
65 | //$this->stmt->store_result(); |
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66 | return $this->stmt->num_rows; |
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67 | } |
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68 | |||
1116 | daniel-mar | 69 | /** |
70 | * @return array|null |
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71 | * @throws OIDplusException |
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72 | */ |
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635 | daniel-mar | 73 | public function fetch_array()/*: ?array*/ { |
74 | if ($this->no_resultset) throw new OIDplusException(_L('The query has returned no result set (i.e. it was not a SELECT query)')); |
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75 | |||
76 | // https://stackoverflow.com/questions/10752815/mysqli-get-result-alternative , modified |
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77 | $stmt = $this->stmt; |
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78 | //$this->stmt->store_result(); |
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79 | $resultkeys = array(); |
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80 | $thisName = ""; |
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81 | |||
82 | if ($stmt->num_rows==0) return null; |
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83 | |||
84 | for ($i = 0; $i < $stmt->num_rows; $i++) { |
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85 | $metadata = $stmt->result_metadata(); |
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86 | while ($field = $metadata->fetch_field()) { |
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87 | $thisName = $field->name; |
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88 | $resultkeys[] = $thisName; |
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89 | } |
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90 | } |
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91 | |||
92 | $ret = array(); |
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93 | $args = array(); |
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94 | for ($i=0; $i<$this->nCols; $i++) { |
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95 | $ret[$i] = NULL; |
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96 | $theValue = $resultkeys[$i]; |
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97 | $ret[$theValue] = NULL; // will be overwritten by mysqli_stmt_bind_result |
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98 | $args[] = &$ret[$theValue]; |
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99 | } |
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100 | if (!mysqli_stmt_bind_result($this->stmt, ...$args)) { |
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101 | return null; |
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102 | } |
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103 | |||
104 | // This should advance the "$stmt" cursor. |
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105 | if (!mysqli_stmt_fetch($this->stmt)) { |
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106 | return null; |
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107 | } |
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108 | |||
109 | // Return the array we built. |
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110 | return $ret; |
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111 | } |
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112 | |||
1116 | daniel-mar | 113 | /** |
114 | * @return \stdClass|null |
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115 | * @throws OIDplusConfigInitializationException |
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116 | * @throws OIDplusException |
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117 | */ |
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635 | daniel-mar | 118 | public function fetch_object()/*: ?object*/ { |
119 | if ($this->no_resultset) throw new OIDplusConfigInitializationException(_L('The query has returned no result set (i.e. it was not a SELECT query)')); |
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120 | |||
121 | $ary = $this->fetch_array(); |
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122 | if (!$ary) return null; |
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123 | |||
1050 | daniel-mar | 124 | $obj = new \stdClass; |
635 | daniel-mar | 125 | foreach ($ary as $name => $val) { |
126 | $obj->$name = $val; |
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127 | } |
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128 | return $obj; |
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129 | } |
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1050 | daniel-mar | 130 | } |