Total Complexity | 58 |
Total Lines | 234 |
Duplicated Lines | 0 % |
Changes | 1 | ||
Bugs | 0 | Features | 0 |
Complex classes like FieldHandler often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use FieldHandler, and based on these observations, apply Extract Interface, too.
1 | <?php declare(strict_types=1); |
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8 | class FieldHandler extends \XoopsPersistableObjectHandler |
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9 | { |
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10 | /** |
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11 | * FieldHandler constructor. |
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12 | * @param \XoopsDatabase $db |
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13 | */ |
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14 | public function __construct(\XoopsDatabase $db) |
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15 | { |
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16 | parent::__construct($db, 'songlist_field', Field::class, 'field_id', 'field_title'); |
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17 | } |
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18 | |||
19 | /** |
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20 | * Read field information from cached storage |
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21 | * |
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22 | * @param bool $force_update read fields from database and not cached storage |
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23 | * |
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24 | * @return array|false |
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25 | */ |
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26 | public function loadFields($force_update = false) |
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27 | { |
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28 | static $fields = []; |
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29 | if (!empty($force_update) || 0 == \count($fields)) { |
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30 | $criteria = new \Criteria('field_id', 0, '!='); |
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31 | $criteria->setSort('field_weight'); |
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32 | if (0 == $this->getCount($criteria)) { |
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33 | return false; |
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34 | } |
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35 | $field_objs = $this->getObjects($criteria); |
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36 | foreach (\array_keys($field_objs) as $i) { |
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37 | $fields[$field_objs[$i]->getVar('field_name')] = $field_objs[$i]; |
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38 | } |
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39 | } |
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40 | |||
41 | return $fields; |
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42 | } |
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43 | |||
44 | /** |
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45 | * save a profile field in the database |
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46 | * |
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47 | * @param \XoopsObject $obj reference to the object |
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48 | * @param bool $force whether to force the query execution despite security settings |
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49 | * @return bool FALSE if failed, TRUE if already present and unchanged or successful |
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50 | * @internal param bool $checkObject check if the object is dirty and clean the attributes |
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51 | */ |
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52 | public function insert(\XoopsObject $obj, $force = false) |
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53 | { |
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54 | $objectsHandler = \XoopsModules\Songlist\Helper::getInstance()->getHandler('Extras'); |
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55 | $obj->setVar('field_name', \str_replace(' ', '_', $obj->getVar('field_name'))); |
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56 | $obj->cleanVars(); |
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57 | $defaultstring = ''; |
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58 | switch ($obj->getVar('field_type')) { |
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59 | case 'datetime': |
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60 | case 'date': |
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61 | $obj->setVar('field_valuetype', \XOBJ_DTYPE_INT); |
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62 | $obj->setVar('field_maxlength', 10); |
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63 | break; |
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64 | case 'longdate': |
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65 | $obj->setVar('field_valuetype', \XOBJ_DTYPE_MTIME); |
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66 | break; |
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67 | case 'yesno': |
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68 | $obj->setVar('field_valuetype', \XOBJ_DTYPE_INT); |
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69 | $obj->setVar('field_maxlength', 1); |
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70 | break; |
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71 | case 'textbox': |
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72 | if (\XOBJ_DTYPE_INT != $obj->getVar('field_valuetype')) { |
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73 | $obj->setVar('field_valuetype', \XOBJ_DTYPE_TXTBOX); |
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74 | } |
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75 | break; |
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76 | case 'autotext': |
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77 | if (\XOBJ_DTYPE_INT != $obj->getVar('field_valuetype')) { |
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78 | $obj->setVar('field_valuetype', \XOBJ_DTYPE_TXTAREA); |
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79 | } |
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80 | break; |
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81 | case 'group_multi': |
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82 | case 'select_multi': |
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83 | case 'checkbox': |
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84 | $obj->setVar('field_valuetype', \XOBJ_DTYPE_ARRAY); |
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85 | break; |
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86 | case 'language': |
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87 | case 'timezone': |
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88 | case 'theme': |
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89 | $obj->setVar('field_valuetype', \XOBJ_DTYPE_TXTBOX); |
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90 | break; |
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91 | case 'dhtml': |
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92 | case 'textarea': |
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93 | $obj->setVar('field_valuetype', \XOBJ_DTYPE_TXTAREA); |
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94 | break; |
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95 | } |
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96 | |||
97 | if ('' == $obj->getVar('field_valuetype')) { |
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98 | $obj->setVar('field_valuetype', \XOBJ_DTYPE_TXTBOX); |
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99 | } |
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100 | |||
101 | if (!\in_array($obj->getVar('field_name'), $this->getPostVars(), true)) { |
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102 | if ($obj->isNew()) { |
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103 | //add column to table |
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104 | $changetype = 'ADD'; |
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105 | } else { |
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106 | //update column information |
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107 | $changetype = 'CHANGE `' . $obj->getVar('field_name', 'n') . '`'; |
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108 | } |
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109 | $maxlengthstring = $obj->getVar('field_maxlength') > 0 ? '(' . $obj->getVar('field_maxlength') . ')' : ''; |
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110 | $notnullstring = ' NOT NULL'; |
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111 | //set type |
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112 | switch ($obj->getVar('field_valuetype')) { |
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113 | default: |
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114 | case \XOBJ_DTYPE_ARRAY: |
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115 | case \XOBJ_DTYPE_UNICODE_ARRAY: |
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116 | $type = 'mediumtext'; |
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117 | break; |
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118 | case \XOBJ_DTYPE_UNICODE_EMAIL: |
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119 | case \XOBJ_DTYPE_UNICODE_TXTBOX: |
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120 | case \XOBJ_DTYPE_UNICODE_URL: |
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121 | case \XOBJ_DTYPE_EMAIL: |
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122 | case \XOBJ_DTYPE_TXTBOX: |
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123 | case \XOBJ_DTYPE_URL: |
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124 | $type = 'varchar'; |
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125 | // varchars must have a maxlength |
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126 | if (!$maxlengthstring) { |
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127 | //so set it to max if maxlength is not set - or should it fail? |
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128 | $maxlengthstring = '(255)'; |
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129 | $obj->setVar('field_maxlength', 255); |
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130 | } |
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131 | //if ( $obj->getVar('field_default') ) { |
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132 | $defaultstring = ' DEFAULT ' . $this->db->quote($obj->cleanVars['field_default']); |
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133 | //} |
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134 | break; |
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135 | case \XOBJ_DTYPE_INT: |
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136 | $type = 'int'; |
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137 | if ($obj->getVar('field_default') || '' !== $obj->getVar('field_default')) { |
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138 | $defaultstring = " DEFAULT '" . (int)$obj->cleanVars['field_default'] . "'"; |
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139 | $obj->setVar('field_default', (int)$obj->cleanVars['field_default']); |
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140 | } |
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141 | break; |
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142 | case \XOBJ_DTYPE_DECIMAL: |
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143 | $type = 'decimal(14,6)'; |
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144 | if ($obj->getVar('field_default') || '' !== $obj->getVar('field_default')) { |
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145 | $defaultstring = " DEFAULT '" . (float)$obj->cleanVars['field_default'] . "'"; |
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146 | $obj->setVar('field_default', (float)$obj->cleanVars['field_default']); |
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147 | } |
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148 | break; |
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149 | case XOBJ_DTYPE_FLOAT: |
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150 | $type = 'float(15,9)'; |
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151 | if ($obj->getVar('field_default') || '' !== $obj->getVar('field_default')) { |
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152 | $defaultstring = " DEFAULT '" . (float)$obj->cleanVars['field_default'] . "'"; |
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153 | $obj->setVar('field_default', (float)$obj->cleanVars['field_default']); |
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154 | } |
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155 | break; |
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156 | case \XOBJ_DTYPE_OTHER: |
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157 | case \XOBJ_DTYPE_UNICODE_TXTAREA: |
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158 | case \XOBJ_DTYPE_TXTAREA: |
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159 | $type = 'text'; |
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160 | $maxlengthstring = ''; |
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161 | $notnullstring = ''; |
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162 | break; |
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163 | case \XOBJ_DTYPE_MTIME: |
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164 | $type = 'date'; |
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165 | $maxlengthstring = ''; |
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166 | break; |
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167 | } |
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168 | |||
169 | $sql = 'ALTER TABLE `' . $objectsHandler->table . '` ' . $changetype . ' `' . $obj->cleanVars['field_name'] . '` ' . $type . $maxlengthstring . $notnullstring . $defaultstring; |
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170 | if (!$this->db->query($sql)) { |
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171 | return false; |
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172 | } |
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173 | } |
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174 | |||
175 | //change this to also update the cached field information storage |
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176 | $obj->setDirty(); |
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177 | if (!parent::insert($obj, $force)) { |
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178 | return false; |
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179 | } |
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180 | |||
181 | return $obj->getVar('field_id'); |
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182 | } |
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183 | |||
184 | /** |
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185 | * delete a profile field from the database |
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186 | * |
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187 | * @param \XoopsObject $obj reference to the object to delete |
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188 | * @param bool $force |
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189 | * @return bool FALSE if failed. |
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190 | **/ |
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191 | public function delete(\XoopsObject $obj, $force = false): bool |
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217 | } |
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218 | |||
219 | /** |
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220 | * Get array of standard variable names (song table) |
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221 | * |
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222 | * @return array |
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223 | */ |
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224 | public function getPostVars(): array |
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242 | ]; |
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243 | } |
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244 | } |
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245 |