voku /
Arrayy
| @@ 1838-1854 (lines=17) @@ | ||
| 1835 | * @return static |
|
| 1836 | * <p>(Immutable)</p> |
|
| 1837 | */ |
|
| 1838 | public function firstsKeys(int $number = null): self |
|
| 1839 | { |
|
| 1840 | $arrayTmp = $this->keys()->getArray(); |
|
| 1841 | ||
| 1842 | if ($number === null) { |
|
| 1843 | $array = (array) \array_shift($arrayTmp); |
|
| 1844 | } else { |
|
| 1845 | $number = (int) $number; |
|
| 1846 | $array = \array_splice($arrayTmp, 0, $number); |
|
| 1847 | } |
|
| 1848 | ||
| 1849 | return static::create( |
|
| 1850 | $array, |
|
| 1851 | $this->iteratorClass, |
|
| 1852 | false |
|
| 1853 | ); |
|
| 1854 | } |
|
| 1855 | ||
| 1856 | /** |
|
| 1857 | * Get the first value(s) from the current array. |
|
| @@ 1865-1881 (lines=17) @@ | ||
| 1862 | * @return static |
|
| 1863 | * <p>(Immutable)</p> |
|
| 1864 | */ |
|
| 1865 | public function firstsImmutable(int $number = null): self |
|
| 1866 | { |
|
| 1867 | $arrayTmp = $this->getArray(); |
|
| 1868 | ||
| 1869 | if ($number === null) { |
|
| 1870 | $array = (array) \array_shift($arrayTmp); |
|
| 1871 | } else { |
|
| 1872 | $number = (int) $number; |
|
| 1873 | $array = \array_splice($arrayTmp, 0, $number); |
|
| 1874 | } |
|
| 1875 | ||
| 1876 | return static::create( |
|
| 1877 | $array, |
|
| 1878 | $this->iteratorClass, |
|
| 1879 | false |
|
| 1880 | ); |
|
| 1881 | } |
|
| 1882 | ||
| 1883 | /** |
|
| 1884 | * Get and rmove the first value(s) from the current array. |
|
