| @@ 391-426 (lines=36) @@ | ||
| 388 | * |
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| 389 | * @return object |
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| 390 | */ |
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| 391 | public function add($value) |
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| 392 | { |
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| 393 | ||
| 394 | $this->date_interval_expression = str_replace( |
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| 395 | $this->config[ 'date_simple' ], |
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| 396 | $this->config[ 'date_interval' ], |
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| 397 | $value |
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| 398 | ); |
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| 399 | ||
| 400 | $unit = 'P'; |
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| 401 | ||
| 402 | if (strpos($this->date_interval_expression, 'T')) { |
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| 403 | $this->date_interval_expression= str_replace( |
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| 404 | 'T', |
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| 405 | '', |
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| 406 | $this->date_interval_expression |
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| 407 | ); |
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| 408 | ||
| 409 | $unit = 'PT'; |
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| 410 | } |
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| 411 | ||
| 412 | $this->date_interval_expression = str_replace( |
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| 413 | ' ', |
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| 414 | '', |
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| 415 | $unit . $this->date_interval_expression |
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| 416 | ); |
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| 417 | ||
| 418 | $this->date_time->add( |
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| 419 | new DateInterval($this->date_interval_expression) |
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| 420 | ); |
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| 421 | ||
| 422 | return $this; |
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| 423 | ||
| 424 | } |
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| 425 | ||
| 426 | /** |
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| 427 | * Sub date from current date |
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| 428 | * |
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| 429 | * @param string $value How much date should increase from current date |
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| @@ 433-468 (lines=36) @@ | ||
| 430 | * |
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| 431 | * @return obejct |
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| 432 | */ |
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| 433 | public function sub($value) |
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| 434 | { |
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| 435 | ||
| 436 | $this->date_interval_expression = str_replace( |
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| 437 | $this->config[ 'date_simple' ], |
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| 438 | $this->config[ 'date_interval' ], |
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| 439 | $value |
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| 440 | ); |
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| 441 | ||
| 442 | $unit = 'P'; |
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| 443 | ||
| 444 | if (strpos($this->date_interval_expression, 'T')) { |
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| 445 | $this->date_interval_expression= str_replace( |
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| 446 | 'T', |
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| 447 | '', |
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| 448 | $this->date_interval_expression |
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| 449 | ); |
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| 450 | ||
| 451 | $unit = 'PT'; |
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| 452 | } |
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| 453 | ||
| 454 | $this->date_interval_expression = str_replace( |
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| 455 | ' ', |
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| 456 | '', |
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| 457 | $unit . $this->date_interval_expression |
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| 458 | ); |
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| 459 | ||
| 460 | $this->date_time->sub( |
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| 461 | new DateInterval($this->date_interval_expression) |
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| 462 | ); |
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| 463 | ||
| 464 | return $this; |
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| 465 | ||
| 466 | } |
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| 467 | ||
| 468 | /** |
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| 469 | * Check if current year is leap or not |
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| 470 | * |
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| 471 | * @param string $type Name of the calendar to caculate leap year |
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