Complex classes like Kirki_Output 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. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
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 Kirki_Output, and based on these observations, apply Extract Interface, too.
1 | <?php |
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15 | class Kirki_Output { |
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16 | |||
17 | /** |
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18 | * The Kirki configuration used in the field. |
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19 | * |
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20 | * @access protected |
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21 | * @var string |
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22 | */ |
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23 | protected $config_id = 'global'; |
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24 | |||
25 | /** |
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26 | * The field's `output` argument. |
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27 | * |
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28 | * @access protected |
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29 | * @var array |
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30 | */ |
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31 | protected $output = array(); |
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32 | |||
33 | /** |
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34 | * An array of the generated styles. |
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35 | * |
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36 | * @access protected |
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37 | * @var array |
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38 | */ |
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39 | protected $styles = array(); |
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40 | |||
41 | /** |
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42 | * The value. |
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43 | * |
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44 | * @access protected |
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45 | * @var string|array |
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46 | */ |
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47 | protected $value; |
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48 | |||
49 | /** |
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50 | * The class constructor. |
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51 | * |
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52 | * @access public |
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53 | * @param string $config_id The config ID. |
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54 | * @param array $output The output argument. |
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55 | * @param string|array $value The value. |
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56 | */ |
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57 | public function __construct( $config_id, $output, $value ) { |
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65 | |||
66 | /** |
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67 | * If we have a sanitize_callback defined, apply it to the value. |
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68 | * |
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69 | * @param array $output The output args. |
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70 | * @param string|array $value The value. |
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71 | * |
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72 | * @return string|array |
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73 | */ |
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74 | protected function apply_sanitize_callback( $output, $value ) { |
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88 | |||
89 | /** |
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90 | * If we have a value_pattern defined, apply it to the value. |
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91 | * |
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92 | * @param array $output The output args. |
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93 | * @param string|array $value The value. |
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94 | * @return string|array |
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95 | */ |
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96 | protected function apply_value_pattern( $output, $value ) { |
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120 | |||
121 | /** |
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122 | * If we have a value_pattern defined, apply it to the value. |
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123 | * |
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124 | * @param array $output The output args. |
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125 | * @param string|array $value The value. |
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126 | * @return string|array |
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127 | */ |
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128 | protected function apply_pattern_replace( $output, $value ) { |
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129 | if ( isset( $output['pattern_replace'] ) && is_array( $output['pattern_replace'] ) ) { |
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130 | $option_type = ( '' !== Kirki::get_config_param( $this->config_id, 'option_type' ) ) ? Kirki::get_config_param( $this->config_id, 'option_type' ) : 'theme_mod'; |
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131 | $option_name = Kirki::get_config_param( $this->config_id, 'option_name' ); |
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132 | $options = array(); |
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133 | if ( $option_name ) { |
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134 | $options = ( 'site_option' === $option_type ) ? get_site_option( $option_name ) : get_option( $option_name ); |
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135 | } |
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136 | foreach ( $output['pattern_replace'] as $search => $replace ) { |
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137 | $replacement = ''; |
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138 | switch ( $option_type ) { |
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139 | case 'option': |
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140 | if ( is_array( $options ) ) { |
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141 | if ( $option_name ) { |
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142 | $subkey = str_replace( array( $option_name, '[', ']' ), '', $replace ); |
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143 | $replacement = ( isset( $options[ $subkey ] ) ) ? $options[ $subkey ] : ''; |
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144 | break; |
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145 | } |
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146 | $replacement = ( isset( $options[ $replace ] ) ) ? $options[ $replace ] : ''; |
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147 | break; |
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148 | } |
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149 | $replacement = get_option( $replace ); |
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150 | break; |
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151 | case 'site_option': |
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152 | $replacement = ( is_array( $options ) && isset( $options[ $replace ] ) ) ? $options[ $replace ] : get_site_option( $replace ); |
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153 | break; |
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154 | case 'user_meta': |
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155 | $user_id = get_current_user_id(); |
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156 | if ( $user_id ) { |
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157 | // @codingStandardsIgnoreLine |
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158 | $replacement = get_user_meta( $user_id, $replace, true ); |
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159 | } |
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160 | break; |
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161 | default: |
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162 | $replacement = get_theme_mod( $replace ); |
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163 | } |
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164 | $replacement = ( false === $replacement ) ? '' : $replacement; |
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165 | if ( is_array( $value ) ) { |
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166 | foreach ( $value as $k => $v ) { |
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167 | if ( isset( $output['choice'] ) ) { |
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168 | if ( $k === $output['choice'] ) { |
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169 | $value[ $k ] = str_replace( $search, $replacement, $v ); |
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170 | } |
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171 | continue; |
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172 | } |
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173 | $value[ $k ] = str_replace( $search, $replacement, $v ); |
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174 | } |
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175 | return $value; |
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176 | } |
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177 | $value = str_replace( $search, $replacement, $value ); |
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178 | } // End foreach(). |
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179 | } // End if(). |
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180 | return $value; |
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181 | } |
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182 | |||
183 | /** |
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184 | * Parses the output arguments. |
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185 | * Calls the process_output method for each of them. |
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186 | * |
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187 | * @access protected |
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188 | */ |
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189 | protected function parse_output() { |
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246 | |||
247 | /** |
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248 | * Parses an output and creates the styles array for it. |
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249 | * |
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250 | * @access protected |
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251 | * @param array $output The field output. |
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252 | * @param string|array $value The value. |
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253 | * |
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254 | * @return void |
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255 | */ |
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256 | protected function process_output( $output, $value ) { |
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281 | |||
282 | /** |
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283 | * Some CSS properties are unique. |
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284 | * We need to tweak the value to make everything works as expected. |
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285 | * |
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286 | * @access protected |
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287 | * @param string $property The CSS property. |
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288 | * @param string|array $value The value. |
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289 | * |
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290 | * @return array |
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291 | */ |
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292 | protected function process_property_value( $property, $value ) { |
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305 | |||
306 | /** |
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307 | * Returns the value. |
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308 | * |
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309 | * @access protected |
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310 | * @param string|array $value The value. |
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311 | * @param array $output The field "output". |
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312 | * @return string|array |
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313 | */ |
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314 | protected function process_value( $value, $output ) { |
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320 | |||
321 | /** |
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322 | * Exploses the private $styles property to the world |
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323 | * |
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324 | * @access protected |
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325 | * @return array |
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326 | */ |
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327 | public function get_styles() { |
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330 | } |
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331 |