| Total Complexity | 51 |
| Total Lines | 309 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like Calendar_Week 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.
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 Calendar_Week, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 80 | class Calendar_Week extends Calendar |
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| 81 | { |
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| 82 | /** |
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| 83 | * Instance of Calendar_Table_Helper. |
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| 84 | * |
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| 85 | * @var Calendar_Table_Helper |
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| 86 | */ |
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| 87 | public $tableHelper; |
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| 88 | |||
| 89 | /** |
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| 90 | * Stores the timestamp of the first day of this week. |
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| 91 | * |
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| 92 | * @var object |
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| 93 | */ |
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| 94 | public $thisWeek; |
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| 95 | |||
| 96 | /** |
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| 97 | * Stores the timestamp of first day of previous week. |
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| 98 | * |
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| 99 | * @var object |
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| 100 | */ |
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| 101 | public $prevWeek; |
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| 102 | |||
| 103 | /** |
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| 104 | * Stores the timestamp of first day of next week. |
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| 105 | * |
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| 106 | * @var object |
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| 107 | */ |
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| 108 | public $nextWeek; |
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| 109 | |||
| 110 | /** |
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| 111 | * Used by build() to set empty days. |
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| 112 | * |
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| 113 | * @var bool |
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| 114 | */ |
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| 115 | public $firstWeek = false; |
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| 116 | |||
| 117 | /** |
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| 118 | * Used by build() to set empty days. |
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| 119 | * |
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| 120 | * @var bool |
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| 121 | */ |
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| 122 | public $lastWeek = false; |
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| 123 | |||
| 124 | /** |
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| 125 | * First day of the week (0=sunday, 1=monday...). |
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| 126 | * |
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| 127 | * @var bool |
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| 128 | */ |
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| 129 | public $firstDay = 1; |
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| 130 | |||
| 131 | /** |
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| 132 | * Constructs Week. |
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| 133 | * |
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| 134 | * @param int $y year e.g. 2003 |
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| 135 | * @param int $m month e.g. 5 |
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| 136 | * @param int $d a day of the desired week |
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| 137 | * @param int $firstDay (optional) first day of week (e.g. 0 for Sunday, 2 for Tuesday etc.) |
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| 138 | */ |
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| 139 | public function __construct($y, $m, $d, $firstDay = null) |
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| 140 | { |
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| 141 | require_once CALENDAR_ROOT . 'Table/Helper.php'; |
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| 142 | parent::__construct($y, $m, $d); |
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| 143 | $this->firstDay = $this->defineFirstDayOfWeek($firstDay); |
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| 144 | $this->tableHelper = new Calendar_Table_Helper($this, $this->firstDay); |
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| 145 | $this->thisWeek = $this->tableHelper->getWeekStart($y, $m, $d, $this->firstDay); |
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| 146 | $this->prevWeek = $this->tableHelper->getWeekStart($y, $m, $d - $this->cE->getDaysInWeek($this->thisYear(), $this->thisMonth(), $this->thisDay()), $this->firstDay); |
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| 147 | $this->nextWeek = $this->tableHelper->getWeekStart($y, $m, $d + $this->cE->getDaysInWeek($this->thisYear(), $this->thisMonth(), $this->thisDay()), $this->firstDay); |
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| 148 | } |
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| 149 | |||
| 150 | /** |
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| 151 | * Defines the calendar by a timestamp (Unix or ISO-8601), replacing values |
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| 152 | * passed to the constructor. |
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| 153 | * |
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| 154 | * @param int|string $ts Unix or ISO-8601 timestamp |
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| 155 | */ |
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| 156 | public function setTimestamp($ts) |
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| 157 | { |
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| 158 | parent::setTimestamp($ts); |
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| 159 | $this->thisWeek = $this->tableHelper->getWeekStart($this->year, $this->month, $this->day, $this->firstDay); |
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| 160 | $this->prevWeek = $this->tableHelper->getWeekStart($this->year, $this->month, $this->day - $this->cE->getDaysInWeek($this->thisYear(), $this->thisMonth(), $this->thisDay()), $this->firstDay); |
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| 161 | $this->nextWeek = $this->tableHelper->getWeekStart($this->year, $this->month, $this->day + $this->cE->getDaysInWeek($this->thisYear(), $this->thisMonth(), $this->thisDay()), $this->firstDay); |
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| 162 | } |
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| 163 | |||
| 164 | /** |
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| 165 | * Builds Calendar_Day objects for this Week. |
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| 166 | * |
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| 167 | * @param array $sDates (optional) Calendar_Day objects representing selected dates |
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| 168 | * |
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| 169 | * @return bool |
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| 170 | */ |
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| 171 | public function build($sDates = []) |
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| 172 | { |
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| 173 | require_once CALENDAR_ROOT . 'Day.php'; |
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| 174 | $year = $this->cE->stampToYear($this->thisWeek); |
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| 175 | $month = $this->cE->stampToMonth($this->thisWeek); |
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| 176 | $day = $this->cE->stampToDay($this->thisWeek); |
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| 177 | $end = $this->cE->getDaysInWeek($this->thisYear(), $this->thisMonth(), $this->thisDay()); |
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| 178 | |||
| 179 | for ($i = 1; $i <= $end; ++$i) { |
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| 180 | $stamp = $this->cE->dateToStamp($year, $month, $day++); |
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| 181 | $this->children[$i] = new Calendar_Day($this->cE->stampToYear($stamp), $this->cE->stampToMonth($stamp), $this->cE->stampToDay($stamp)); |
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| 182 | } |
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| 183 | |||
| 184 | //set empty days (@see Calendar_Month_Weeks::build()) |
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| 185 | if ($this->firstWeek) { |
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| 186 | $eBefore = $this->tableHelper->getEmptyDaysBefore(); |
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| 187 | for ($i = 1; $i <= $eBefore; ++$i) { |
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| 188 | $this->children[$i]->setEmpty(); |
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| 189 | } |
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| 190 | } |
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| 191 | if ($this->lastWeek) { |
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| 192 | $eAfter = $this->tableHelper->getEmptyDaysAfterOffset(); |
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| 193 | for ($i = $eAfter + 1; $i <= $end; ++$i) { |
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| 194 | $this->children[$i]->setEmpty(); |
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| 195 | } |
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| 196 | } |
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| 197 | |||
| 198 | if (count($sDates) > 0) { |
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| 199 | $this->setSelection($sDates); |
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| 200 | } |
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| 201 | |||
| 202 | return true; |
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| 203 | } |
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| 204 | |||
| 205 | /** |
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| 206 | * Set as first week of the month. |
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| 207 | * |
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| 208 | * @param bool $state whether it's first or not |
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| 209 | */ |
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| 210 | public function setFirst($state = true) |
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| 213 | } |
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| 214 | |||
| 215 | /** |
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| 216 | * Set as last week of the month. |
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| 217 | * |
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| 218 | * @param bool $state whether it's lasst or not |
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| 219 | */ |
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| 220 | public function setLast($state = true) |
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| 221 | { |
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| 222 | $this->lastWeek = $state; |
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| 223 | } |
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| 224 | |||
| 225 | /** |
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| 226 | * Called from build(). |
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| 227 | * |
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| 228 | * @param array $sDates Calendar_Day objects representing selected dates |
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| 229 | * @return bool|void |
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| 230 | */ |
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| 231 | public function setSelection($sDates) |
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| 232 | { |
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| 233 | foreach ($sDates as $sDate) { |
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| 234 | foreach ($this->children as $key => $child) { |
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| 235 | if ($child->thisDay() == $sDate->thisDay() && $child->thisMonth() == $sDate->thisMonth() |
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| 236 | && $child->thisYear() == $sDate->thisYear()) { |
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| 237 | $this->children[$key] = $sDate; |
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| 238 | $this->children[$key]->setSelected(); |
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| 239 | } |
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| 240 | } |
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| 241 | } |
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| 242 | reset($this->children); |
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| 243 | } |
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| 244 | |||
| 245 | /** |
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| 246 | * Returns the value for this year. |
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| 247 | * |
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| 248 | * When a on the first/last week of the year, the year of the week is |
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| 249 | * calculated according to ISO-8601 |
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| 250 | * |
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| 251 | * @param string $format return value format ['int' | 'timestamp' | 'object' | 'array'] |
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| 252 | * |
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| 253 | * @return int e.g. 2003 or timestamp |
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| 254 | */ |
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| 255 | public function thisYear($format = 'int') |
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| 256 | { |
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| 257 | if (null !== $this->thisWeek) { |
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| 258 | $tmp_cal = new Calendar(); |
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| 259 | $tmp_cal->setTimestamp($this->thisWeek); |
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| 260 | $first_dow = $tmp_cal->thisDay('array'); |
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| 261 | $days_in_week = $tmp_cal->cE->getDaysInWeek($tmp_cal->year, $tmp_cal->month, $tmp_cal->day); |
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| 262 | $tmp_cal->day += $days_in_week; |
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| 263 | $last_dow = $tmp_cal->thisDay('array'); |
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| 264 | |||
| 265 | if ($first_dow['year'] == $last_dow['year']) { |
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| 266 | return $first_dow['year']; |
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| 267 | } |
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| 268 | |||
| 269 | if ($last_dow['day'] > floor($days_in_week / 2)) { |
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| 270 | return $last_dow['year']; |
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| 271 | } |
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| 272 | |||
| 273 | return $first_dow['year']; |
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| 274 | } |
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| 275 | |||
| 276 | return parent::thisYear(); |
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| 277 | } |
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| 278 | |||
| 279 | /** |
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| 280 | * Gets the value of the previous week, according to the requested format. |
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| 281 | * |
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| 282 | * @param string $format ['timestamp' | 'n_in_month' | 'n_in_year' | 'array'] |
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| 283 | * |
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| 284 | * @return mixed |
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| 285 | */ |
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| 286 | public function prevWeek($format = 'n_in_month') |
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| 287 | { |
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| 288 | switch (mb_strtolower($format)) { |
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| 289 | case 'int': |
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| 290 | case 'n_in_month': |
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| 291 | return $this->firstWeek ? null : $this->thisWeek('n_in_month') - 1; |
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| 292 | case 'n_in_year': |
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| 293 | return $this->cE->getWeekNInYear($this->cE->stampToYear($this->prevWeek), $this->cE->stampToMonth($this->prevWeek), $this->cE->stampToDay($this->prevWeek)); |
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| 294 | case 'array': |
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| 295 | return $this->toArray($this->prevWeek); |
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| 296 | case 'object': |
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| 297 | require_once CALENDAR_ROOT . 'Factory.php'; |
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| 298 | |||
| 299 | return Calendar_Factory::createByTimestamp('Week', $this->prevWeek); |
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| 300 | case 'timestamp': |
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| 301 | default: |
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| 302 | return $this->prevWeek; |
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| 303 | } |
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| 304 | } |
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| 305 | |||
| 306 | /** |
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| 307 | * Gets the value of the current week, according to the requested format. |
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| 308 | * |
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| 309 | * @param string $format ['timestamp' | 'n_in_month' | 'n_in_year' | 'array'] |
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| 310 | * |
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| 311 | * @return mixed |
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| 312 | */ |
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| 313 | public function thisWeek($format = 'n_in_month') |
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| 314 | { |
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| 315 | switch (mb_strtolower($format)) { |
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| 316 | case 'int': |
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| 317 | case 'n_in_month': |
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| 318 | if ($this->firstWeek) { |
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| 319 | return 1; |
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| 320 | } |
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| 321 | if ($this->lastWeek) { |
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| 322 | return $this->cE->getWeeksInMonth($this->thisYear(), $this->thisMonth(), $this->firstDay); |
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| 323 | } |
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| 324 | |||
| 325 | return $this->cE->getWeekNInMonth($this->thisYear(), $this->thisMonth(), $this->thisDay(), $this->firstDay); |
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| 326 | case 'n_in_year': |
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| 327 | return $this->cE->getWeekNInYear($this->cE->stampToYear($this->thisWeek), $this->cE->stampToMonth($this->thisWeek), $this->cE->stampToDay($this->thisWeek)); |
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| 328 | case 'array': |
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| 329 | return $this->toArray($this->thisWeek); |
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| 330 | case 'object': |
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| 331 | require_once CALENDAR_ROOT . 'Factory.php'; |
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| 332 | |||
| 333 | return Calendar_Factory::createByTimestamp('Week', $this->thisWeek); |
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| 334 | case 'timestamp': |
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| 335 | default: |
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| 336 | return $this->thisWeek; |
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| 337 | } |
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| 338 | } |
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| 339 | |||
| 340 | /** |
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| 341 | * Gets the value of the following week, according to the requested format. |
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| 342 | * |
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| 343 | * @param string $format ['timestamp' | 'n_in_month' | 'n_in_year' | 'array'] |
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| 344 | * |
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| 345 | * @return mixed |
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| 346 | */ |
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| 347 | public function nextWeek($format = 'n_in_month') |
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| 348 | { |
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| 349 | switch (mb_strtolower($format)) { |
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| 350 | case 'int': |
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| 351 | case 'n_in_month': |
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| 352 | return $this->lastWeek ? null : $this->thisWeek('n_in_month') + 1; |
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| 353 | case 'n_in_year': |
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| 354 | return $this->cE->getWeekNInYear($this->cE->stampToYear($this->nextWeek), $this->cE->stampToMonth($this->nextWeek), $this->cE->stampToDay($this->nextWeek)); |
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| 355 | case 'array': |
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| 356 | return $this->toArray($this->nextWeek); |
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| 357 | case 'object': |
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| 358 | require_once CALENDAR_ROOT . 'Factory.php'; |
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| 359 | |||
| 360 | return Calendar_Factory::createByTimestamp('Week', $this->nextWeek); |
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| 361 | case 'timestamp': |
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| 362 | default: |
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| 363 | return $this->nextWeek; |
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| 364 | } |
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| 365 | } |
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| 366 | |||
| 367 | /** |
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| 368 | * Returns the instance of Calendar_Table_Helper. |
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| 369 | * Called from Calendar_Validator::isValidWeek. |
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| 370 | * |
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| 371 | * @return Calendar_Table_Helper |
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| 372 | */ |
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| 373 | public function &getHelper() |
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| 376 | } |
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| 377 | |||
| 378 | /** |
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| 379 | * Makes sure theres a value for $this->day. |
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| 380 | */ |
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| 381 | public function findFirstDay() |
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| 389 | } |
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| 390 | } |
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| 391 | } |
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| 392 | } |
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| 393 | } |
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| 394 |
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.