Complex classes like CMB2_Sanitize 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 CMB2_Sanitize, and based on these observations, apply Extract Interface, too.
1 | <?php |
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15 | class CMB2_Sanitize { |
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16 | |||
17 | /** |
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18 | * A CMB field object |
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19 | * @var CMB2_Field object |
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20 | */ |
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21 | public $field; |
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22 | |||
23 | /** |
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24 | * Field's value |
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25 | * @var mixed |
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26 | */ |
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27 | public $value; |
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28 | |||
29 | /** |
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30 | * Setup our class vars |
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31 | * @since 1.1.0 |
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32 | * @param CMB2_Field $field A CMB2 field object |
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33 | * @param mixed $value Field value |
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34 | */ |
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35 | 13 | public function __construct( CMB2_Field $field, $value ) { |
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39 | |||
40 | /** |
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41 | * Catchall method if field's 'sanitization_cb' is NOT defined, or field type does not have a corresponding validation method |
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42 | * @since 1.0.0 |
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43 | * @param string $name Non-existent method name |
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44 | * @param array $arguments All arguments passed to the method |
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45 | */ |
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46 | 10 | public function __call( $name, $arguments ) { |
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49 | |||
50 | /** |
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51 | * Default fallback sanitization method. Applies filters. |
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52 | * @since 1.0.2 |
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53 | */ |
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54 | 10 | public function default_sanitization() { |
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55 | |||
56 | /** |
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57 | * This exists for back-compatibility, but validation |
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58 | * is not what happens here. |
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59 | * @deprecated See documentation for "cmb2_sanitize_{$this->type()}". |
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60 | */ |
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61 | 10 | $override_value = apply_filters( "cmb2_validate_{$this->field->type()}", null, $this->value, $this->field->object_id, $this->field->args(), $this ); |
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62 | |||
63 | 10 | if ( null !== $override_value ) { |
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64 | return $override_value; |
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65 | } |
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66 | |||
67 | 10 | $sanitized_value = ''; |
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68 | 10 | switch ( $this->field->type() ) { |
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69 | 10 | case 'wysiwyg': |
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70 | 10 | case 'textarea_small': |
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71 | 10 | case 'oembed': |
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72 | 1 | $sanitized_value = $this->textarea(); |
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73 | 1 | break; |
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74 | 10 | case 'taxonomy_select': |
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75 | 10 | case 'taxonomy_radio': |
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76 | 10 | case 'taxonomy_radio_inline': |
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77 | 10 | case 'taxonomy_multicheck': |
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78 | 10 | case 'taxonomy_multicheck_inline': |
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79 | if ( $this->field->args( 'taxonomy' ) ) { |
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80 | wp_set_object_terms( $this->field->object_id, $this->value, $this->field->args( 'taxonomy' ) ); |
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81 | } else { |
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82 | CMB2_Utils::log_if_debug( __METHOD__, __LINE__, "{$this->field->type()} {$this->field->_id()} is missing the 'taxonomy' parameter." ); |
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83 | } |
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84 | break; |
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85 | 10 | case 'multicheck': |
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86 | 10 | case 'multicheck_inline': |
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87 | 10 | case 'file_list': |
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88 | 10 | case 'group': |
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89 | // no filtering |
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90 | 2 | $sanitized_value = $this->value; |
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91 | 2 | break; |
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92 | 9 | default: |
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93 | // Handle repeatable fields array |
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94 | // We'll fallback to 'sanitize_text_field' |
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95 | 9 | $sanitized_value = is_array( $this->value ) ? array_map( 'sanitize_text_field', $this->value ) : sanitize_text_field( $this->value ); |
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96 | 9 | break; |
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97 | 10 | } |
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98 | |||
99 | 10 | return $this->_is_empty_array( $sanitized_value ) ? '' : $sanitized_value; |
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100 | } |
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101 | |||
102 | /** |
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103 | * Simple checkbox validation |
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104 | * @since 1.0.1 |
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105 | * @return string|false 'on' or false |
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106 | */ |
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107 | public function checkbox() { |
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110 | |||
111 | /** |
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112 | * Validate url in a meta value |
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113 | * @since 1.0.1 |
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114 | * @return string Empty string or escaped url |
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115 | */ |
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116 | public function text_url() { |
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117 | $protocols = $this->field->args( 'protocols' ); |
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118 | // for repeatable |
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119 | if ( is_array( $this->value ) ) { |
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120 | foreach ( $this->value as $key => $val ) { |
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121 | $this->value[ $key ] = $val ? esc_url_raw( $val, $protocols ) : $this->field->get_default(); |
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122 | } |
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123 | } else { |
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124 | $this->value = $this->value ? esc_url_raw( $this->value, $protocols ) : $this->field->get_default(); |
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125 | } |
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126 | |||
127 | return $this->value; |
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128 | } |
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129 | |||
130 | public function colorpicker() { |
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145 | |||
146 | /** |
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147 | * Validate email in a meta value |
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148 | * @since 1.0.1 |
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149 | * @return string Empty string or sanitized email |
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150 | */ |
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151 | public function text_email() { |
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165 | |||
166 | /** |
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167 | * Validate money in a meta value |
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168 | * @since 1.0.1 |
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169 | * @return string Empty string or sanitized money value |
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170 | */ |
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171 | 1 | public function text_money() { |
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194 | |||
195 | /** |
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196 | * Converts text date to timestamp |
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197 | * @since 1.0.2 |
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198 | * @return string Timestring |
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199 | */ |
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200 | public function text_date_timestamp() { |
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201 | return is_array( $this->value ) |
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202 | ? array_map( array( $this->field, 'get_timestamp_from_value' ), $this->value ) |
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203 | : $this->field->get_timestamp_from_value( $this->value ); |
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204 | } |
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205 | |||
206 | /** |
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207 | * Datetime to timestamp |
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208 | * @since 1.0.1 |
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209 | * @return string Timestring |
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210 | */ |
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211 | public function text_datetime_timestamp( $repeat = false ) { |
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212 | |||
213 | $test = is_array( $this->value ) ? array_filter( $this->value ) : ''; |
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214 | if ( empty( $test ) ) { |
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215 | return ''; |
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216 | } |
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217 | |||
218 | $repeat_value = $this->_check_repeat( __FUNCTION__, $repeat ); |
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219 | if ( false !== $repeat_value ) { |
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220 | return $repeat_value; |
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221 | } |
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222 | |||
223 | if ( isset( $this->value['date'], $this->value['time'] ) ) { |
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224 | $this->value = $this->field->get_timestamp_from_value( $this->value['date'] . ' ' . $this->value['time'] ); |
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225 | } |
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226 | |||
227 | if ( $tz_offset = $this->field->field_timezone_offset() ) { |
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228 | $this->value += (int) $tz_offset; |
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229 | } |
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230 | |||
231 | return $this->value; |
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232 | } |
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233 | |||
234 | /** |
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235 | * Datetime to timestamp with timezone |
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236 | * @since 1.0.1 |
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237 | * @return string Timestring |
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238 | */ |
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239 | 1 | public function text_datetime_timestamp_timezone( $repeat = false ) { |
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240 | 1 | static $utc_values = array(); |
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241 | |||
242 | 1 | $test = is_array( $this->value ) ? array_filter( $this->value ) : ''; |
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243 | 1 | if ( empty( $test ) ) { |
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244 | return ''; |
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245 | } |
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246 | |||
247 | 1 | $utc_key = $this->field->_id() . '_utc'; |
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248 | |||
249 | 1 | $repeat_value = $this->_check_repeat( __FUNCTION__, $repeat ); |
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250 | 1 | if ( false !== $repeat_value ) { |
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251 | if ( ! empty( $utc_values[ $utc_key ] ) ) { |
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252 | $this->_save_utc_value( $utc_key, $utc_values[ $utc_key ] ); |
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253 | unset( $utc_values[ $utc_key ] ); |
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254 | } |
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255 | |||
256 | return $repeat_value; |
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257 | } |
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258 | |||
259 | 1 | $tzstring = null; |
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260 | |||
261 | 1 | if ( is_array( $this->value ) && array_key_exists( 'timezone', $this->value ) ) { |
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262 | 1 | $tzstring = $this->value['timezone']; |
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263 | 1 | } |
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264 | |||
265 | 1 | if ( empty( $tzstring ) ) { |
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266 | $tzstring = CMB2_Utils::timezone_string(); |
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267 | } |
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268 | |||
269 | 1 | $offset = CMB2_Utils::timezone_offset( $tzstring ); |
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270 | |||
271 | 1 | if ( 'UTC' === substr( $tzstring, 0, 3 ) ) { |
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272 | 1 | $tzstring = timezone_name_from_abbr( '', $offset, 0 ); |
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273 | /* |
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274 | * timezone_name_from_abbr() returns false if not found based on offset. |
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275 | * Since there are currently some invalid timezones in wp_timezone_dropdown(), |
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276 | * fallback to an offset of 0 (UTC+0) |
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277 | * https://core.trac.wordpress.org/ticket/29205 |
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278 | */ |
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279 | 1 | $tzstring = false !== $tzstring ? $tzstring : timezone_name_from_abbr( '', 0, 0 ); |
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280 | 1 | } |
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281 | |||
282 | 1 | $full_format = $this->field->args['date_format'] . ' ' . $this->field->args['time_format']; |
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283 | 1 | $full_date = $this->value['date'] . ' ' . $this->value['time']; |
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284 | |||
285 | try { |
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286 | |||
287 | 1 | $datetime = date_create_from_format( $full_format, $full_date ); |
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288 | |||
289 | 1 | if ( ! is_object( $datetime ) ) { |
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290 | $this->value = $utc_stamp = ''; |
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291 | } else { |
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292 | 1 | $timestamp = $datetime->setTimezone( new DateTimeZone( $tzstring ) )->getTimestamp(); |
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293 | 1 | $utc_stamp = $timestamp - $offset; |
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294 | 1 | $this->value = serialize( $datetime ); |
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295 | } |
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296 | |||
297 | 1 | if ( $this->field->group ) { |
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298 | $this->value = array( |
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299 | 'supporting_field_value' => $utc_stamp, |
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300 | 'supporting_field_id' => $utc_key, |
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301 | 'value' => $this->value, |
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302 | ); |
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303 | } else { |
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304 | // Save the utc timestamp supporting field |
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305 | 1 | if ( $repeat ) { |
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306 | $utc_values[ $utc_key ][] = $utc_stamp; |
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307 | } else { |
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308 | 1 | $this->_save_utc_value( $utc_key, $utc_stamp ); |
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309 | } |
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310 | } |
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311 | |||
312 | 1 | } catch ( Exception $e ) { |
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313 | $this->value = ''; |
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314 | CMB2_Utils::log_if_debug( __METHOD__, __LINE__, $e->getMessage() ); |
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315 | } |
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316 | |||
317 | 1 | return $this->value; |
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318 | } |
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319 | |||
320 | /** |
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321 | * Sanitize textareas and wysiwyg fields |
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322 | * @since 1.0.1 |
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323 | * @return string Sanitized data |
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324 | */ |
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325 | 1 | public function textarea() { |
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326 | 1 | return is_array( $this->value ) ? array_map( 'wp_kses_post', $this->value ) : wp_kses_post( $this->value ); |
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327 | } |
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328 | |||
329 | /** |
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330 | * Sanitize code textareas |
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331 | * @since 1.0.2 |
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332 | * @return string Sanitized data |
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333 | */ |
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334 | public function textarea_code( $repeat = false ) { |
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335 | $repeat_value = $this->_check_repeat( __FUNCTION__, $repeat ); |
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336 | if ( false !== $repeat_value ) { |
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337 | return $repeat_value; |
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338 | } |
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339 | |||
340 | return htmlspecialchars_decode( stripslashes( $this->value ) ); |
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341 | } |
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342 | |||
343 | /** |
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344 | * Handles saving of attachment post ID and sanitizing file url |
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345 | * @since 1.1.0 |
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346 | * @return string Sanitized url |
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347 | */ |
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348 | public function file() { |
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349 | $file_id_key = $this->field->_id() . '_id'; |
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350 | |||
351 | if ( $this->field->group ) { |
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352 | // Return an array with url/id if saving a group field |
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353 | $this->value = $this->_get_group_file_value_array( $file_id_key ); |
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354 | } else { |
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355 | $this->_save_file_id_value( $file_id_key ); |
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356 | $this->text_url(); |
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357 | } |
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358 | |||
359 | return $this->value; |
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360 | } |
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361 | |||
362 | /** |
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363 | * Gets the values for the `file` field type from the data being saved. |
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364 | * @since 2.2.0 |
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365 | */ |
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366 | public function _get_group_file_value_array( $id_key ) { |
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367 | $alldata = $this->field->group->data_to_save; |
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368 | $base_id = $this->field->group->_id(); |
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369 | $i = $this->field->group->index; |
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370 | |||
371 | // Check group $alldata data |
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372 | $id_val = isset( $alldata[ $base_id ][ $i ][ $id_key ] ) |
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373 | ? absint( $alldata[ $base_id ][ $i ][ $id_key ] ) |
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374 | : 0; |
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375 | |||
376 | return array( |
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377 | 'value' => $this->text_url(), |
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378 | 'supporting_field_value' => $id_val, |
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379 | 'supporting_field_id' => $id_key, |
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380 | ); |
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381 | } |
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382 | |||
383 | /** |
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384 | * Peforms saving of `file` attachement's ID |
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385 | * @since 1.1.0 |
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386 | */ |
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387 | public function _save_file_id_value( $file_id_key ) { |
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388 | $id_field = $this->_new_supporting_field( $file_id_key ); |
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389 | |||
390 | // Check standard data_to_save data |
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391 | $id_val = isset( $this->field->data_to_save[ $file_id_key ] ) |
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392 | ? $this->field->data_to_save[ $file_id_key ] |
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393 | : null; |
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394 | |||
395 | // If there is no ID saved yet, try to get it from the url |
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396 | if ( $this->value && ! $id_val ) { |
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397 | $id_val = CMB2_Utils::image_id_from_url( $this->value ); |
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398 | } |
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399 | |||
400 | return $id_field->save_field( $id_val ); |
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401 | } |
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402 | |||
403 | /** |
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404 | * Peforms saving of `text_datetime_timestamp_timezone` utc timestamp |
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405 | * @since 2.2.0 |
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406 | */ |
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407 | 1 | public function _save_utc_value( $utc_key, $utc_stamp ) { |
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408 | 1 | return $this->_new_supporting_field( $utc_key )->save_field( $utc_stamp ); |
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409 | } |
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410 | |||
411 | /** |
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412 | * Returns a new, supporting, CMB2_Field object based on a new field id. |
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413 | * @since 2.2.0 |
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414 | */ |
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415 | 1 | public function _new_supporting_field( $new_field_id ) { |
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416 | 1 | return $this->field->get_field_clone( array( |
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417 | 1 | 'id' => $new_field_id, |
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418 | 1 | 'sanitization_cb' => false, |
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419 | 1 | ) ); |
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420 | } |
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421 | |||
422 | /** |
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423 | * If repeating, loop through and re-apply sanitization method |
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424 | * @since 1.1.0 |
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425 | * @param string $method Class method |
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426 | * @param bool $repeat Whether repeating or not |
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427 | * @return mixed Sanitized value |
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428 | */ |
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429 | 1 | public function _check_repeat( $method, $repeat ) { |
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430 | 1 | if ( $repeat || ! $this->field->args( 'repeatable' ) ) { |
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431 | 1 | return false; |
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432 | } |
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433 | |||
434 | $values_array = $this->value; |
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435 | |||
436 | $new_value = array(); |
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437 | foreach ( $values_array as $iterator => $this->value ) { |
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438 | if ( $this->value ) { |
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439 | $val = $this->$method( true ); |
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440 | if ( ! empty( $val ) ) { |
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441 | $new_value[] = $val; |
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442 | } |
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443 | } |
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444 | } |
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445 | |||
446 | $this->value = $new_value; |
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447 | |||
448 | return empty( $this->value ) ? null : $this->value; |
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449 | } |
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450 | |||
451 | /** |
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452 | * Determine if passed value is an empty array |
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453 | * @since 2.0.6 |
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454 | * @param mixed $to_check Value to check |
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455 | * @return boolean Whether value is an array that's empty |
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456 | */ |
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457 | 10 | public function _is_empty_array( $to_check ) { |
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464 | |||
465 | } |
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466 |
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.