1 | <?php |
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2 | /** |
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3 | * Smarty Internal Plugin Compile If |
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4 | * Compiles the {if} {else} {elseif} {/if} tags |
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5 | * |
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6 | * @package Smarty |
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7 | * @subpackage Compiler |
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8 | * @author Uwe Tews |
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9 | */ |
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10 | |||
11 | /** |
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12 | * Smarty Internal Plugin Compile If Class |
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13 | * |
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14 | * @package Smarty |
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15 | * @subpackage Compiler |
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16 | */ |
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17 | class Smarty_Internal_Compile_If extends Smarty_Internal_CompileBase |
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18 | { |
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19 | /** |
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20 | * Compiles code for the {if} tag |
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21 | * |
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22 | * @param array $args array with attributes from parser |
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23 | * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object |
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24 | * @param array $parameter array with compilation parameter |
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25 | * |
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26 | * @return string compiled code |
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27 | * @throws \SmartyCompilerException |
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28 | */ |
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29 | public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter) |
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30 | { |
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31 | // check and get attributes |
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32 | $_attr = $this->getAttributes($compiler, $args); |
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33 | $this->openTag($compiler, 'if', array(1, $compiler->nocache)); |
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34 | // must whole block be nocache ? |
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35 | $compiler->nocache = $compiler->nocache | $compiler->tag_nocache; |
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36 | if (!isset($parameter[ 'if condition' ])) { |
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37 | $compiler->trigger_template_error('missing if condition', null, true); |
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38 | } |
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39 | if (is_array($parameter[ 'if condition' ])) { |
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40 | if (is_array($parameter[ 'if condition' ][ 'var' ])) { |
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41 | $var = $parameter[ 'if condition' ][ 'var' ][ 'var' ]; |
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42 | } else { |
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43 | $var = $parameter[ 'if condition' ][ 'var' ]; |
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44 | } |
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45 | if ($compiler->nocache) { |
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46 | // create nocache var to make it know for further compiling |
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47 | $compiler->setNocacheInVariable($var); |
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48 | } |
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49 | $prefixVar = $compiler->getNewPrefixVariable(); |
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50 | $_output = "<?php {$prefixVar} = {$parameter[ 'if condition' ][ 'value' ]};?>\n"; |
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51 | $assignAttr = array(); |
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52 | $assignAttr[][ 'value' ] = $prefixVar; |
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53 | $assignCompiler = new Smarty_Internal_Compile_Assign(); |
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54 | if (is_array($parameter[ 'if condition' ][ 'var' ])) { |
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55 | $assignAttr[][ 'var' ] = $parameter[ 'if condition' ][ 'var' ][ 'var' ]; |
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56 | $_output .= $assignCompiler->compile( |
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57 | $assignAttr, |
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58 | $compiler, |
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59 | array('smarty_internal_index' => $parameter[ 'if condition' ][ 'var' ][ 'smarty_internal_index' ]) |
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60 | ); |
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61 | } else { |
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62 | $assignAttr[][ 'var' ] = $parameter[ 'if condition' ][ 'var' ]; |
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63 | $_output .= $assignCompiler->compile($assignAttr, $compiler, array()); |
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64 | } |
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65 | $_output .= "<?php if ({$prefixVar}) {?>"; |
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66 | return $_output; |
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67 | } else { |
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68 | return "<?php if ({$parameter['if condition']}) {?>"; |
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69 | } |
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70 | } |
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71 | } |
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72 | |||
73 | /** |
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74 | * Smarty Internal Plugin Compile Else Class |
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75 | * |
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76 | * @package Smarty |
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77 | * @subpackage Compiler |
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78 | */ |
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79 | class Smarty_Internal_Compile_Else extends Smarty_Internal_CompileBase |
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80 | { |
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81 | /** |
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82 | * Compiles code for the {else} tag |
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83 | * |
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84 | * @param array $args array with attributes from parser |
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85 | * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object |
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86 | * |
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87 | * @return string compiled code |
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88 | */ |
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89 | public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler) |
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90 | { |
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91 | list($nesting, $compiler->tag_nocache) = $this->closeTag($compiler, array('if', 'elseif')); |
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92 | $this->openTag($compiler, 'else', array($nesting, $compiler->tag_nocache)); |
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93 | return '<?php } else { ?>'; |
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94 | } |
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95 | } |
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96 | |||
97 | /** |
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98 | * Smarty Internal Plugin Compile ElseIf Class |
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99 | * |
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100 | * @package Smarty |
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101 | * @subpackage Compiler |
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102 | */ |
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103 | class Smarty_Internal_Compile_Elseif extends Smarty_Internal_CompileBase |
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104 | { |
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105 | /** |
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106 | * Compiles code for the {elseif} tag |
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107 | * |
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108 | * @param array $args array with attributes from parser |
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109 | * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object |
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110 | * @param array $parameter array with compilation parameter |
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111 | * |
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112 | * @return string compiled code |
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113 | * @throws \SmartyCompilerException |
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114 | */ |
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115 | public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter) |
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116 | { |
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117 | // check and get attributes |
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118 | $_attr = $this->getAttributes($compiler, $args); |
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119 | list($nesting, $compiler->tag_nocache) = $this->closeTag($compiler, array('if', 'elseif')); |
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120 | if (!isset($parameter[ 'if condition' ])) { |
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121 | $compiler->trigger_template_error('missing elseif condition', null, true); |
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122 | } |
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123 | $assignCode = ''; |
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124 | $var = ''; |
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125 | if (is_array($parameter[ 'if condition' ])) { |
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126 | $condition_by_assign = true; |
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127 | if (is_array($parameter[ 'if condition' ][ 'var' ])) { |
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128 | $var = $parameter[ 'if condition' ][ 'var' ][ 'var' ]; |
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129 | } else { |
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130 | $var = $parameter[ 'if condition' ][ 'var' ]; |
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131 | } |
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132 | if ($compiler->nocache) { |
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133 | // create nocache var to make it know for further compiling |
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134 | $compiler->setNocacheInVariable($var); |
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135 | } |
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136 | $prefixVar = $compiler->getNewPrefixVariable(); |
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137 | $assignCode = "<?php {$prefixVar} = {$parameter[ 'if condition' ][ 'value' ]};?>\n"; |
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138 | $assignCompiler = new Smarty_Internal_Compile_Assign(); |
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139 | $assignAttr = array(); |
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140 | $assignAttr[][ 'value' ] = $prefixVar; |
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141 | if (is_array($parameter[ 'if condition' ][ 'var' ])) { |
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142 | $assignAttr[][ 'var' ] = $parameter[ 'if condition' ][ 'var' ][ 'var' ]; |
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143 | $assignCode .= $assignCompiler->compile( |
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144 | $assignAttr, |
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145 | $compiler, |
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146 | array('smarty_internal_index' => $parameter[ 'if condition' ][ 'var' ][ 'smarty_internal_index' ]) |
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147 | ); |
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148 | } else { |
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149 | $assignAttr[][ 'var' ] = $parameter[ 'if condition' ][ 'var' ]; |
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150 | $assignCode .= $assignCompiler->compile($assignAttr, $compiler, array()); |
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151 | } |
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152 | } else { |
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153 | $condition_by_assign = false; |
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154 | } |
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155 | $prefixCode = $compiler->getPrefixCode(); |
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156 | if (empty($prefixCode)) { |
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157 | if ($condition_by_assign) { |
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158 | $this->openTag($compiler, 'elseif', array($nesting + 1, $compiler->tag_nocache)); |
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159 | $_output = $compiler->appendCode("<?php } else {\n?>", $assignCode); |
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160 | return $compiler->appendCode($_output, "<?php if ({$prefixVar}) {?>"); |
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161 | } else { |
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162 | $this->openTag($compiler, 'elseif', array($nesting, $compiler->tag_nocache)); |
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163 | return "<?php } elseif ({$parameter['if condition']}) {?>"; |
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164 | } |
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165 | } else { |
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166 | $_output = $compiler->appendCode("<?php } else {\n?>", $prefixCode); |
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167 | $this->openTag($compiler, 'elseif', array($nesting + 1, $compiler->tag_nocache)); |
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168 | if ($condition_by_assign) { |
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169 | $_output = $compiler->appendCode($_output, $assignCode); |
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170 | return $compiler->appendCode($_output, "<?php if ({$prefixVar}) {?>"); |
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171 | } else { |
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172 | return $compiler->appendCode($_output, "<?php if ({$parameter['if condition']}) {?>"); |
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173 | } |
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174 | } |
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175 | } |
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176 | } |
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177 | |||
178 | /** |
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179 | * Smarty Internal Plugin Compile Ifclose Class |
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180 | * |
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181 | * @package Smarty |
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182 | * @subpackage Compiler |
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183 | */ |
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184 | class Smarty_Internal_Compile_Ifclose extends Smarty_Internal_CompileBase |
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185 | { |
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186 | /** |
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187 | * Compiles code for the {/if} tag |
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188 | * |
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189 | * @param array $args array with attributes from parser |
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190 | * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object |
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191 | * |
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192 | * @return string compiled code |
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193 | */ |
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194 | public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler) |
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195 | { |
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196 | // must endblock be nocache? |
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197 | if ($compiler->nocache) { |
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198 | $compiler->tag_nocache = true; |
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199 | } |
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200 | list($nesting, $compiler->nocache) = $this->closeTag($compiler, array('if', 'else', 'elseif')); |
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201 | $tmp = ''; |
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202 | for ($i = 0; $i < $nesting; $i++) { |
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203 | $tmp .= '}'; |
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204 | } |
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205 | return "<?php {$tmp}?>"; |
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206 | } |
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207 | } |
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208 |
This check looks for assignments to scalar types that may be of the wrong type.
To ensure the code behaves as expected, it may be a good idea to add an explicit type cast.