eventespresso /
event-espresso-core
Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 27 | class Event extends Calculations_Base |
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| 28 | { |
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| 29 | |||
| 30 | /** |
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| 31 | * Calculates the total spaces on the event (not subtracting sales, but taking |
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| 32 | * sales into account; so this is the optimum sales that CAN still be achieved) |
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| 33 | * See EE_Event::total_available_spaces( true ); |
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| 34 | * |
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| 35 | * @param array $wpdb_row |
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| 36 | * @param \WP_REST_Request $request |
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| 37 | * @param Base $controller |
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| 38 | * @return int |
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| 39 | * @throws EE_Error |
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| 40 | */ |
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| 41 | View Code Duplication | public static function optimumSalesAtStart($wpdb_row, $request, $controller) |
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| 42 | { |
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| 43 | if (is_array($wpdb_row) && isset($wpdb_row['Event_CPT.ID']) && absint($wpdb_row['Event_CPT.ID'])) { |
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| 44 | $event_obj = EEM_Event::instance()->get_one_by_ID($wpdb_row['Event_CPT.ID']); |
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| 45 | } else { |
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| 46 | $event_obj = null; |
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| 47 | } |
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| 48 | if ($event_obj instanceof EE_Event) { |
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| 49 | return $event_obj->total_available_spaces(); |
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| 50 | } else { |
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| 51 | throw new EE_Error( |
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| 52 | sprintf( |
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| 53 | __( |
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| 54 | // @codingStandardsIgnoreStart |
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| 55 | 'Cannot calculate optimum_sales_at_start because the event with ID %1$s (from database row %2$s) was not found', |
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| 56 | // @codingStandardsIgnoreEnd |
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| 57 | 'event_espresso' |
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| 58 | ), |
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| 59 | $wpdb_row['Event_CPT.ID'], |
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| 60 | print_r($wpdb_row, true) |
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| 61 | ) |
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| 62 | ); |
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| 63 | } |
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| 64 | } |
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| 65 | |||
| 66 | |||
| 67 | |||
| 68 | /** |
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| 69 | * Calculates the total spaces on the event (ignoring all sales; so this is the optimum |
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| 70 | * sales that COULD have been achieved) |
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| 71 | * See EE_Event::total_available_spaces( true ); |
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| 72 | * |
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| 73 | * @param array $wpdb_row |
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| 74 | * @param \WP_REST_Request $request |
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| 75 | * @param Base $controller |
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| 76 | * @return int |
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| 77 | * @throws EE_Error |
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| 78 | */ |
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| 79 | View Code Duplication | public static function optimumSalesNow($wpdb_row, $request, $controller) |
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| 80 | { |
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| 81 | if (is_array($wpdb_row) && isset($wpdb_row['Event_CPT.ID']) && absint($wpdb_row['Event_CPT.ID'])) { |
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| 82 | $event_obj = EEM_Event::instance()->get_one_by_ID($wpdb_row['Event_CPT.ID']); |
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| 83 | } else { |
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| 84 | $event_obj = null; |
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| 85 | } |
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| 86 | if ($event_obj instanceof EE_Event) { |
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| 87 | return $event_obj->total_available_spaces(true); |
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| 88 | } else { |
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| 89 | throw new EE_Error( |
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| 90 | sprintf( |
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| 91 | __( |
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| 92 | // @codingStandardsIgnoreStart |
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| 93 | 'Cannot calculate optimum_sales_now because the event with ID %1$s (from database row %2$s) was not found', |
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| 94 | // @codingStandardsIgnoreEnd |
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| 95 | 'event_espresso' |
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| 96 | ), |
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| 97 | $wpdb_row['Event_CPT.ID'], |
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| 98 | print_r($wpdb_row, true) |
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| 99 | ) |
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| 100 | ); |
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| 101 | } |
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| 102 | } |
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| 103 | |||
| 104 | |||
| 105 | |||
| 106 | /** |
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| 107 | * Like optimum_sales_now, but minus total sales so far. |
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| 108 | * See EE_Event::spaces_remaining_for_sale( true ); |
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| 109 | * |
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| 110 | * @param array $wpdb_row |
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| 111 | * @param \WP_REST_Request $request |
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| 112 | * @param Base $controller |
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| 113 | * @return int |
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| 114 | * @throws EE_Error |
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| 115 | */ |
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| 116 | View Code Duplication | public static function spacesRemaining($wpdb_row, $request, $controller) |
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| 117 | { |
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| 118 | if (is_array($wpdb_row) && isset($wpdb_row['Event_CPT.ID']) && absint($wpdb_row['Event_CPT.ID'])) { |
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| 119 | $event_obj = EEM_Event::instance()->get_one_by_ID($wpdb_row['Event_CPT.ID']); |
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| 120 | } else { |
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| 121 | $event_obj = null; |
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| 122 | } |
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| 123 | if ($event_obj instanceof EE_Event) { |
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| 124 | return $event_obj->spaces_remaining_for_sale(); |
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| 125 | } else { |
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| 126 | throw new EE_Error( |
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| 127 | sprintf( |
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| 128 | __( |
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| 129 | // @codingStandardsIgnoreStart |
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| 130 | 'Cannot calculate spaces_remaining because the event with ID %1$s (from database row %2$s) was not found', |
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| 131 | // @codingStandardsIgnoreEnd |
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| 132 | 'event_espresso' |
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| 133 | ), |
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| 134 | $wpdb_row['Event_CPT.ID'], |
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| 135 | print_r($wpdb_row, true) |
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| 136 | ) |
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| 137 | ); |
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| 138 | } |
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| 139 | } |
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| 140 | |||
| 141 | |||
| 142 | |||
| 143 | /** |
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| 144 | * Counts the number of approved registrations for this event (regardless |
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| 145 | * of how many datetimes each registrations' ticket purchase is for) |
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| 146 | * |
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| 147 | * @param array $wpdb_row |
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| 148 | * @param \WP_REST_Request $request |
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| 149 | * @param Base $controller |
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| 150 | * @return int |
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| 151 | * @throws EE_Error |
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| 152 | */ |
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| 153 | public static function spotsTaken($wpdb_row, $request, $controller) |
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| 154 | { |
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| 155 | if (! (is_array($wpdb_row) && isset($wpdb_row['Event_CPT.ID']) && absint($wpdb_row['Event_CPT.ID']))) { |
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| 156 | throw new EE_Error( |
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| 157 | sprintf( |
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| 158 | __( |
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| 159 | // @codingStandardsIgnoreStart |
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| 160 | 'Cannot calculate spots_taken because the database row %1$s does not have a valid entry for "Event_CPT.ID"', |
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| 161 | // @codingStandardsIgnoreEnd |
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| 162 | 'event_espresso' |
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| 163 | ), |
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| 164 | print_r($wpdb_row, true) |
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| 165 | ) |
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| 166 | ); |
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| 167 | } |
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| 168 | return EEM_Registration::instance()->count( |
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| 169 | array( |
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| 170 | array( |
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| 171 | 'EVT_ID' => $wpdb_row['Event_CPT.ID'], |
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| 172 | 'STS_ID' => EEM_Registration::status_id_approved, |
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| 173 | ), |
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| 174 | ), |
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| 175 | 'REG_ID', |
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| 176 | true |
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| 177 | ); |
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| 178 | } |
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| 179 | |||
| 180 | |||
| 181 | |||
| 182 | /** |
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| 183 | * Counts the number of pending-payment registrations for this event (regardless |
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| 184 | * of how many datetimes each registrations' ticket purchase is for) |
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| 185 | * |
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| 186 | * @param array $wpdb_row |
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| 187 | * @param \WP_REST_Request $request |
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| 188 | * @param Base $controller |
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| 189 | * @return int |
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| 190 | * @throws EE_Error |
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| 191 | * @throws RestException |
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| 192 | */ |
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| 193 | View Code Duplication | public static function spotsTakenPendingPayment($wpdb_row, $request, $controller) |
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| 220 | |||
| 221 | |||
| 222 | |||
| 223 | /** |
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| 224 | * Counts all the registrations who have checked into one of this events' datetimes |
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| 225 | * See EE_Event::total_available_spaces( false ); |
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| 226 | * |
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| 227 | * @param array $wpdb_row |
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| 228 | * @param \WP_REST_Request $request |
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| 229 | * @param Base $controller |
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| 230 | * @return int|null if permission denied |
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| 231 | * @throws EE_Error |
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| 232 | * @throws RestException |
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| 233 | */ |
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| 234 | View Code Duplication | public static function registrationsCheckedInCount($wpdb_row, $request, $controller) |
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| 252 | |||
| 253 | |||
| 254 | |||
| 255 | /** |
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| 256 | * Counts all the registrations who have checked out of one of this events' datetimes |
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| 257 | * See EE_Event::total_available_spaces( false ); |
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| 258 | * |
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| 259 | * @param array $wpdb_row |
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| 260 | * @param \WP_REST_Request $request |
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| 261 | * @param Base $controller |
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| 262 | * @return int |
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| 263 | * @throws EE_Error |
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| 264 | * @throws RestException |
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| 265 | */ |
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| 266 | View Code Duplication | public static function registrationsCheckedOutCount($wpdb_row, $request, $controller) |
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| 284 | |||
| 285 | |||
| 286 | |||
| 287 | /** |
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| 288 | * Gets the thumbnail image |
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| 289 | * |
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| 290 | * @param array $wpdb_row |
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| 291 | * @param \WP_REST_Request $request |
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| 292 | * @param Base $controller |
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| 293 | * @return array |
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| 294 | */ |
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| 295 | public static function imageThumbnail($wpdb_row, $request, $controller) |
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| 299 | |||
| 300 | |||
| 301 | |||
| 302 | /** |
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| 303 | * Gets the medium image |
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| 304 | * |
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| 305 | * @param array $wpdb_row |
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| 306 | * @param \WP_REST_Request $request |
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| 307 | * @param Base $controller |
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| 308 | * @return array |
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| 309 | */ |
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| 310 | public static function imageMedium($wpdb_row, $request, $controller) |
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| 314 | |||
| 315 | |||
| 316 | |||
| 317 | /** |
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| 318 | * Gets the medium-large image |
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| 319 | * |
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| 320 | * @param array $wpdb_row |
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| 321 | * @param \WP_REST_Request $request |
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| 322 | * @param Base $controller |
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| 323 | * @return array |
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| 324 | */ |
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| 325 | public static function imageMediumLarge($wpdb_row, $request, $controller) |
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| 329 | |||
| 330 | |||
| 331 | |||
| 332 | /** |
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| 333 | * Gets the large image |
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| 334 | * |
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| 335 | * @param array $wpdb_row |
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| 336 | * @param \WP_REST_Request $request |
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| 337 | * @param Base $controller |
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| 338 | * @return array |
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| 339 | */ |
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| 340 | public static function imageLarge($wpdb_row, $request, $controller) |
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| 344 | |||
| 345 | |||
| 346 | |||
| 347 | /** |
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| 348 | * Gets the post-thumbnail image |
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| 349 | * |
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| 350 | * @param array $wpdb_row |
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| 351 | * @param \WP_REST_Request $request |
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| 352 | * @param Base $controller |
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| 353 | * @return array |
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| 354 | */ |
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| 355 | public static function imagePostThumbnail($wpdb_row, $request, $controller) |
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| 359 | |||
| 360 | |||
| 361 | |||
| 362 | /** |
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| 363 | * Gets the full size image |
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| 364 | * |
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| 365 | * @param array $wpdb_row |
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| 366 | * @param \WP_REST_Request $request |
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| 367 | * @param Base $controller |
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| 368 | * @return array |
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| 369 | */ |
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| 370 | public static function imageFull($wpdb_row, $request, $controller) |
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| 374 | |||
| 375 | |||
| 376 | |||
| 377 | /** |
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| 378 | * Gets image specs and formats them for the display in the API, |
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| 379 | * according to the image size requested |
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| 380 | * |
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| 381 | * @param int $EVT_ID |
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| 382 | * @param string $image_size one of these: thumbnail, medium, medium_large, large, post-thumbnail, full |
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| 383 | * @return array|false if no such image exists. If array it will have keys 'url', 'width', 'height' and 'original' |
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| 384 | */ |
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| 385 | protected static function calculateImageData($EVT_ID, $image_size) |
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| 404 | } |
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| 405 |
Let’s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let’s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: