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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 | |||
1130 | daniel-mar | 29 | /** |
30 | * @var mixed|null |
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31 | */ |
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635 | daniel-mar | 32 | protected $stmt = null; |
1130 | daniel-mar | 33 | |
34 | /** |
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35 | * @var int|null |
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36 | */ |
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635 | daniel-mar | 37 | protected $nCols = null; |
1130 | daniel-mar | 38 | |
39 | /** |
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40 | * @var bool|null |
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41 | */ |
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635 | daniel-mar | 42 | protected $no_resultset = null; |
43 | |||
1116 | daniel-mar | 44 | /** |
1130 | daniel-mar | 45 | * @param mixed $stmt |
1116 | daniel-mar | 46 | */ |
635 | daniel-mar | 47 | public function __construct($stmt) { |
48 | $metadata = mysqli_stmt_result_metadata($stmt); |
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49 | |||
50 | $this->no_resultset = is_bool($metadata); |
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51 | |||
52 | if (!$this->no_resultset) { |
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53 | $this->nCols = mysqli_num_fields($metadata); |
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54 | $this->stmt = $stmt; |
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55 | |||
56 | mysqli_free_result($metadata); |
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57 | |||
58 | $this->stmt->store_result(); |
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59 | } |
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60 | } |
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61 | |||
1116 | daniel-mar | 62 | /** |
63 | * @return bool |
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64 | */ |
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635 | daniel-mar | 65 | public function containsResultSet(): bool { |
66 | return !$this->no_resultset; |
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67 | } |
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68 | |||
1116 | daniel-mar | 69 | /** |
70 | * @return int |
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71 | */ |
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1152 | daniel-mar | 72 | protected function do_num_rows(): int { |
635 | daniel-mar | 73 | //$this->stmt->store_result(); |
74 | return $this->stmt->num_rows; |
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75 | } |
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76 | |||
1116 | daniel-mar | 77 | /** |
78 | * @return array|null |
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79 | */ |
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1152 | daniel-mar | 80 | protected function do_fetch_array()/*: ?array*/ { |
635 | daniel-mar | 81 | // https://stackoverflow.com/questions/10752815/mysqli-get-result-alternative , modified |
82 | $stmt = $this->stmt; |
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83 | //$this->stmt->store_result(); |
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84 | $resultkeys = array(); |
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85 | $thisName = ""; |
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86 | |||
87 | if ($stmt->num_rows==0) return null; |
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88 | |||
89 | for ($i = 0; $i < $stmt->num_rows; $i++) { |
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90 | $metadata = $stmt->result_metadata(); |
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91 | while ($field = $metadata->fetch_field()) { |
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92 | $thisName = $field->name; |
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93 | $resultkeys[] = $thisName; |
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94 | } |
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95 | } |
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96 | |||
97 | $ret = array(); |
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98 | $args = array(); |
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99 | for ($i=0; $i<$this->nCols; $i++) { |
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100 | $ret[$i] = NULL; |
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101 | $theValue = $resultkeys[$i]; |
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102 | $ret[$theValue] = NULL; // will be overwritten by mysqli_stmt_bind_result |
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103 | $args[] = &$ret[$theValue]; |
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104 | } |
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105 | if (!mysqli_stmt_bind_result($this->stmt, ...$args)) { |
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106 | return null; |
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107 | } |
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108 | |||
109 | // This should advance the "$stmt" cursor. |
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110 | if (!mysqli_stmt_fetch($this->stmt)) { |
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111 | return null; |
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112 | } |
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113 | |||
114 | // Return the array we built. |
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115 | return $ret; |
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116 | } |
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117 | |||
1050 | daniel-mar | 118 | } |