WebDevStudios /
CMB2
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 | 8 | 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 | 7 | public function __call( $name, $arguments ) { |
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| 49 | |||
| 50 | /** |
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| 51 | * Default fallback sanitization method. Applies filters. |
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| 52 | * @since 1.0.2 |
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| 53 | */ |
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| 54 | 7 | public function default_sanitization() { |
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| 55 | |||
| 56 | /** |
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| 57 | * This exists for back-compatibility, but validation |
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| 58 | * is not what happens here. |
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| 59 | * @deprecated See documentation for "cmb2_sanitize_{$this->type()}". |
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| 60 | */ |
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| 61 | 7 | $override_value = apply_filters( "cmb2_validate_{$this->field->type()}", null, $this->value, $this->field->object_id, $this->field->args(), $this ); |
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| 62 | |||
| 63 | 7 | if ( null !== $override_value ) { |
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| 64 | return $override_value; |
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| 65 | } |
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| 66 | |||
| 67 | 7 | $sanitized_value = ''; |
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| 68 | 7 | switch ( $this->field->type() ) { |
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| 69 | 7 | case 'wysiwyg': |
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| 70 | 7 | case 'textarea_small': |
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| 71 | 1 | $sanitized_value = $this->textarea(); |
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| 72 | 1 | break; |
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| 73 | 7 | case 'taxonomy_select': |
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| 74 | 7 | case 'taxonomy_radio': |
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| 75 | 7 | case 'taxonomy_radio_inline': |
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| 76 | 7 | case 'taxonomy_multicheck': |
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| 77 | 7 | case 'taxonomy_multicheck_inline': |
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| 78 | if ( $this->field->args( 'taxonomy' ) ) { |
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| 79 | wp_set_object_terms( $this->field->object_id, $this->value, $this->field->args( 'taxonomy' ) ); |
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| 80 | } else { |
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| 81 | cmb2_utils()->log_if_debug( __METHOD__, __LINE__, "{$this->field->type()} {$this->field->_id()} is missing the 'taxonomy' parameter." ); |
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| 82 | } |
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| 83 | break; |
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| 84 | 7 | case 'multicheck': |
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| 85 | 7 | case 'multicheck_inline': |
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| 86 | 7 | case 'file_list': |
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| 87 | 7 | case 'oembed': |
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| 88 | 7 | 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 | 6 | 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 | 6 | $sanitized_value = is_array( $this->value ) ? array_map( 'sanitize_text_field', $this->value ) : call_user_func( 'sanitize_text_field', $this->value ); |
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| 96 | 6 | break; |
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| 97 | 7 | } |
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| 98 | |||
| 99 | 7 | 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 | 1 | public function text_url() { |
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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 | public function text_money() { |
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| 195 | |||
| 196 | /** |
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| 197 | * Converts text date to timestamp |
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| 198 | * @since 1.0.2 |
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| 199 | * @return string Timestring |
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| 200 | */ |
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| 201 | public function text_date_timestamp() { |
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| 206 | |||
| 207 | /** |
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| 208 | * Datetime to timestamp |
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| 209 | * @since 1.0.1 |
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| 210 | * @return string Timestring |
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| 211 | */ |
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| 212 | public function text_datetime_timestamp( $repeat = false ) { |
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| 234 | |||
| 235 | /** |
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| 236 | * Datetime to imestamp with timezone |
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| 237 | * @since 1.0.1 |
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| 238 | * @return string Timestring |
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| 239 | */ |
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| 240 | 1 | public function text_datetime_timestamp_timezone( $repeat = false ) { |
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| 320 | |||
| 321 | /** |
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| 322 | * Sanitize textareas and wysiwyg fields |
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| 323 | * @since 1.0.1 |
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| 324 | * @return string Sanitized data |
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| 325 | */ |
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| 326 | 1 | public function textarea() { |
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| 329 | |||
| 330 | /** |
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| 331 | * Sanitize code textareas |
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| 332 | * @since 1.0.2 |
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| 333 | * @return string Sanitized data |
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| 334 | */ |
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| 335 | public function textarea_code( $repeat = false ) { |
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| 343 | |||
| 344 | /** |
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| 345 | * Handles saving of attachment post ID and sanitizing file url |
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| 346 | * @since 1.1.0 |
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| 347 | * @return string Sanitized url |
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| 348 | */ |
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| 349 | 1 | public function file() { |
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| 362 | |||
| 363 | /** |
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| 364 | * Gets the values for the `file` field type from the data being saved. |
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| 365 | * @since 2.2.0 |
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| 366 | */ |
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| 367 | 1 | public function _get_group_file_value_array( $id_key ) { |
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| 383 | |||
| 384 | /** |
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| 385 | * Peforms saving of `file` attachement's ID |
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| 386 | * @since 1.1.0 |
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| 387 | */ |
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| 388 | public function _save_file_id_value( $file_id_key ) { |
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| 403 | |||
| 404 | /** |
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| 405 | * Peforms saving of `text_datetime_timestamp_timezone` utc timestamp |
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| 406 | * @since 2.2.0 |
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| 407 | */ |
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| 408 | public function _save_utc_value( $utc_key, $utc_stamp ) { |
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| 411 | |||
| 412 | /** |
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| 413 | * Returns a new, supporting CMB2_Field object based on a new field id. |
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| 414 | * @since 2.2.0 |
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| 415 | */ |
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| 416 | public function _new_supporting_field( $new_field_id ) { |
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| 431 | |||
| 432 | /** |
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| 433 | * If repeating, loop through and re-apply sanitization method |
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| 434 | * @since 1.1.0 |
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| 435 | * @param string $method Class method |
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| 436 | * @param bool $repeat Whether repeating or not |
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| 437 | * @return mixed Sanitized value |
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| 438 | */ |
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| 439 | 1 | public function _check_repeat( $method, $repeat ) { |
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| 460 | |||
| 461 | /** |
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| 462 | * Determine if passed value is an empty array |
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| 463 | * @since 2.0.6 |
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| 464 | * @param mixed $to_check Value to check |
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| 465 | * @return boolean Whether value is an array that's empty |
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| 466 | */ |
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| 467 | 7 | public function _is_empty_array( $to_check ) { |
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| 474 | |||
| 475 | } |
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| 476 |
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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.