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1 | <?php |
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2 | /** |
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3 | * Copyright (c) 2013-2017 |
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4 | * |
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5 | * @category Library |
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6 | * @package Dwoo |
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7 | * @author Jordi Boggiano <[email protected]> |
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8 | * @author David Sanchez <[email protected]> |
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9 | * @copyright 2008-2013 Jordi Boggiano |
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10 | * @copyright 2013-2017 David Sanchez |
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11 | * @license http://dwoo.org/LICENSE Modified BSD License |
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12 | * @version 1.3.4 |
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13 | * @date 2017-03-01 |
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14 | * @link http://dwoo.org/ |
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15 | */ |
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16 | |||
17 | namespace Dwoo; |
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18 | |||
19 | /** |
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20 | * Dwoo data object, use it for complex data assignments or if you want to easily pass it |
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21 | * around multiple functions to avoid passing an array by reference. |
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22 | * This software is provided 'as-is', without any express or implied warranty. |
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23 | * In no event will the authors be held liable for any damages arising from the use of this software. |
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24 | */ |
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25 | class Data implements IDataProvider |
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26 | { |
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27 | /** |
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28 | * Data array. |
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29 | * |
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30 | * @var array |
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31 | */ |
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32 | protected $data = array(); |
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33 | |||
34 | /** |
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35 | * Returns the data array. |
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36 | * |
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37 | * @return array |
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38 | */ |
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39 | public function getData() |
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40 | { |
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41 | return $this->data; |
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42 | } |
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43 | |||
44 | /** |
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45 | * Clears a the entire data or only the given key. |
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46 | * |
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47 | * @param array|string $name clears only one value if you give a name, multiple values if |
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48 | * you give an array of names, or the entire data if left null |
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49 | */ |
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50 | public function clear($name = null) |
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51 | { |
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52 | if ($name === null) { |
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53 | $this->data = array(); |
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54 | } elseif (is_array($name)) { |
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55 | foreach ($name as $index) { |
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56 | unset($this->data[$index]); |
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57 | } |
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58 | } else { |
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59 | unset($this->data[$name]); |
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60 | } |
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61 | } |
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62 | |||
63 | /** |
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64 | * Overwrites the entire data with the given array. |
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65 | * |
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66 | * @param array $data the new data array to use |
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67 | */ |
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68 | public function setData(array $data) |
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69 | { |
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70 | $this->data = $data; |
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71 | } |
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72 | |||
73 | /** |
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74 | * merges the given array(s) with the current data with array_merge. |
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75 | * |
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76 | * @param array $data the array to merge |
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77 | */ |
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78 | public function mergeData(array $data) |
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79 | { |
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80 | $args = func_get_args(); |
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81 | foreach ($args as $key => $v) { |
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82 | if (is_array($v)) { |
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83 | $this->data = array_merge($this->data, $v); |
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84 | } |
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85 | } |
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86 | } |
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87 | |||
88 | /** |
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89 | * Assigns a value or an array of values to the data object. |
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90 | * |
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91 | * @param array|string $name an associative array of multiple (index=>value) or a string |
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92 | * that is the index to use, i.e. a value assigned to "foo" will be |
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93 | * accessible in the template through {$foo} |
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94 | * @param mixed $val the value to assign, or null if $name was an array |
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95 | */ |
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96 | public function assign($name, $val = null) |
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97 | { |
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98 | if (is_array($name)) { |
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99 | reset($name); |
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100 | foreach ($name as $k => $v){ |
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101 | $this->data[$k] = $v; |
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102 | } |
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103 | } else { |
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104 | $this->data[$name] = $val; |
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105 | } |
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106 | } |
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107 | |||
108 | /** |
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109 | * Allows to assign variables using the object syntax. |
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110 | * |
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111 | * @param string $name the variable name |
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112 | * @param string $value the value to assign to it |
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113 | */ |
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114 | public function __set($name, $value) |
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115 | { |
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116 | $this->assign($name, $value); |
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117 | } |
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118 | |||
119 | /** |
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120 | * Assigns a value by reference to the data object. |
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121 | * |
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122 | * @param string $name the index to use, i.e. a value assigned to "foo" will be |
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123 | * accessible in the template through {$foo} |
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124 | * @param mixed $val the value to assign by reference |
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125 | */ |
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126 | public function assignByRef($name, &$val) |
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127 | { |
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128 | $this->data[$name] = &$val; |
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129 | } |
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130 | |||
131 | /** |
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132 | * Appends values or an array of values to the data object. |
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133 | * |
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134 | * @param array|string $name an associative array of multiple (index=>value) or a string |
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135 | * that is the index to use, i.e. a value assigned to "foo" will be |
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136 | * accessible in the template through {$foo} |
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137 | * @param mixed $val the value to assign, or null if $name was an array |
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138 | * @param bool $merge true to merge data or false to append, defaults to false |
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139 | */ |
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140 | public function append($name, $val = null, $merge = false) |
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141 | { |
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142 | if (is_array($name)) { |
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143 | foreach ($name as $key => $val) { |
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144 | View Code Duplication | if (isset($this->data[$key]) && !is_array($this->data[$key])) { |
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145 | settype($this->data[$key], 'array'); |
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146 | } |
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147 | |||
148 | View Code Duplication | if ($merge === true && is_array($val)) { |
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149 | $this->data[$key] = $val + $this->data[$key]; |
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150 | } else { |
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151 | $this->data[$key][] = $val; |
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152 | } |
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153 | } |
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154 | } elseif ($val !== null) { |
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155 | if (isset($this->data[$name]) && !is_array($this->data[$name])) { |
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156 | settype($this->data[$name], 'array'); |
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157 | } elseif (!isset($this->data[$name])) { |
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158 | $this->data[$name] = array(); |
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159 | } |
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160 | |||
161 | View Code Duplication | if ($merge === true && is_array($val)) { |
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162 | $this->data[$name] = $val + $this->data[$name]; |
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163 | } else { |
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164 | $this->data[$name][] = $val; |
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165 | } |
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166 | } |
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167 | } |
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168 | |||
169 | /** |
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170 | * Appends a value by reference to the data object. |
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171 | * |
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172 | * @param string $name the index to use, i.e. a value assigned to "foo" will be |
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173 | * accessible in the template through {$foo} |
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174 | * @param mixed $val the value to append by reference |
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175 | * @param bool $merge true to merge data or false to append, defaults to false |
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176 | */ |
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177 | public function appendByRef($name, &$val, $merge = false) |
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178 | { |
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179 | View Code Duplication | if (isset($this->data[$name]) && !is_array($this->data[$name])) { |
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180 | settype($this->data[$name], 'array'); |
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181 | } |
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182 | |||
183 | if ($merge === true && is_array($val)) { |
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184 | foreach ($val as $key => &$value) { |
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185 | $this->data[$name][$key] = &$value; |
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186 | } |
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187 | } else { |
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188 | $this->data[$name][] = &$val; |
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189 | } |
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190 | } |
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191 | |||
192 | /** |
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193 | * Returns true if the variable has been assigned already, false otherwise. |
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194 | * |
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195 | * @param string $name the variable name |
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196 | * |
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197 | * @return bool |
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198 | */ |
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199 | public function isAssigned($name) |
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200 | { |
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201 | return isset($this->data[$name]); |
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202 | } |
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203 | |||
204 | /** |
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205 | * Supports calls to isset($dwoo->var). |
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206 | * |
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207 | * @param string $name the variable name |
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208 | * |
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209 | * @return bool |
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210 | */ |
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211 | public function __isset($name) |
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212 | { |
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213 | return isset($this->data[$name]); |
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214 | } |
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215 | |||
216 | /** |
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217 | * Unassigns/removes a variable. |
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218 | * |
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219 | * @param string $name the variable name |
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220 | */ |
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221 | public function unassign($name) |
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222 | { |
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223 | unset($this->data[$name]); |
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224 | } |
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225 | |||
226 | /** |
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227 | * Supports unsetting variables using the object syntax. |
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228 | * |
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229 | * @param string $name the variable name |
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230 | */ |
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231 | public function __unset($name) |
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232 | { |
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233 | unset($this->data[$name]); |
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234 | } |
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235 | |||
236 | /** |
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237 | * Returns a variable if it was assigned. |
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238 | * |
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239 | * @param string $name the variable name |
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240 | * |
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241 | * @return mixed |
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242 | */ |
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243 | public function get($name) |
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244 | { |
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245 | return $this->__get($name); |
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246 | } |
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247 | |||
248 | /** |
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249 | * Allows to read variables using the object syntax. |
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250 | * |
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251 | * @param string $name the variable name |
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252 | * |
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253 | * @return mixed |
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254 | * @throws Exception |
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255 | */ |
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256 | public function __get($name) |
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257 | { |
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258 | if (isset($this->data[$name])) { |
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259 | return $this->data[$name]; |
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260 | } else { |
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261 | throw new Exception('Tried to read a value that was not assigned yet : "' . $name . '"'); |
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262 | } |
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263 | } |
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264 | } |
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265 |
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.