std / lib
The new-unofficial standard runtime. The library for the standard library: The most basic of the basic.
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Last update: 2024-04-07 18:21:28 UTC
README
std-lib is a type-safe collection of helper utilities and safe implementations of several php “core” functions.
For more about the guarantees of std/lib, see the stdlib website.
This library is currently on hold undergoing very basic QA. It should be generally available by the end of September 2019.
Methods Provided:
Std\Str functions
Str is the standard name for the UTF-8 ready string utilities.
Std\Arr functions
Arr is the standard name for array utilities (due to Array being reserved).
\Std\Arr::callRecursive(array $array, callable $method)
\Std\Arr::arrayUniqueRecursive(array $array)
\Std\Arr::keyWalk(array $inputArray, callable $fn)
\Std\Arr::count($array) : array
Counts the value or throws an exception.
\Std\Arr::countAny($arrayOrOther): int
Accepts any value, not just countables, returning zero for non-countables and throwing no exception.
\Std\Arr::getColumn($array)
Same as array_column, but preserves keys and additional type-checks.
If the key (column) does not exist within the sub-element, a Array\MissingKeyException is thrown.
If any of the sub-elements are not arrays, a Array\UnexpectedElementException is thrown.
\Std\Arr::pileByColumn(array $inputArray, string $column) : array`
Returns a newly structured array with an additional dimension added, so that the input array
[
['id' => 'ipsum', 'a' => '1', 'b' => '2', 'c' => 'charlie'],
['id' => 'lorem', 'd' => '4', 'e' => '2', 'f' => 'foxtrot'], // Note these are both id "lorem"
['id' => 'lorem', 'g' => '1', 'h' => '2', 'z' => 'zeta'], // Note these are both id "lorem"
]
If "piled" by the column "id", would become:
[ ['ipsum'] => [ ['id' => 'ipsum'', ''a' => '1', 'b' => '2', 'c' => 'charlie'] ], ['lorem'] => [ ['id' => 'lorem', ''d' => '4', 'e' => '2', 'f' => 'foxtrot'], ['id' => 'lorem', ''g' => '1', 'h' => '2', 'z' => 'zeta'], ] ]
\Std\Arr::rekeyByColumn(array[] $inputArray, string $columnName): array`
Assuming each element of $inputArray is an array, and within it a sub-element with key $columnName with a valid key as the value, re-keys the array using that value.
If the values of these values are not unique, an LossyOperationException exception will be thrown.
If any of elements aren't an array, a Array\MissingKeyException or Array\UnexpectedElementException is thrown.
\Std\Arr::rekeyByColumnLossy(array[] $inputArray, string $columnName) : array
See \Std\Arr::rekeyByColumn, however this allows losses during conversion.
\Std\Arr::columnPopLeft(array[] $inputArray) : array
Pops the "left" or "top" (first-most, or lowest-indexed) element off of each sub-array element, returning an array of these values.
If any element contains zero elements, NULL is returned in it's place.
If it is any other type than array, Array\UnexpectedElementException is thrown.
\Std\Arr::columnPopLeft(array[] $inputArray) : array
Pops the "right" or "bottom" most element off each sub-array element.
Undocumented
\Std\Arr::columnRecursive(Iterable $haystack, ...$subKey)
\Std\Arr::columnSearch(Iterable $haystack, $needle)
\Std\Arr::columnSearchRecursive(Iterable $haystack, $needle)
\Std\Arr::combineWith($value, $keyKey, $valueKey, $keyInsensitive = false)
\Std\Arr::idiff($x, $y)
Effectively: array_unique(array_merge(array_intersect($x, $y), array_intersect($y, $x)));
\Std\Arr::keyEach($array, $callback)
\Std\Arr::mapReduce(callable $mapReduceFn, ... $values)
\Std\Arr::merge(array $array1, array $array2 = null, array $_ = null)
\Std\Arr::multisort(array $arr, $arg = null, $arg = null, $_ = null)
\Std\Arr::popLeft(array $array)
\Std\Arr::popRight(array $array)
\Std\Arr::push(array $array, ...$vars)
\Std\Arr::reduce_j(callable $reduceFn, $values)
\Std\Arr::search($needle, array $haystack, $strict = null)
\Std\Arr::shift(array $array)
\Std\Arr::slice(array $array, $offset, $length = null)
See Also: Std\List::slice(array $array, $offset, $length = null)
\Std\Arr::splice(array $input, $offset, $length = null, $replacement = null)
\Std\Arr::unshift(array $array, ...$vars)
\Std\Arr::walk(array $array, $funcname, $userdata = null)
\Std\Arr::walkRecursive(array $input, $funcname, $userdata = null)
\Std\Arr::trim($array)
Exceptions
-
\Std\ExceptionInterface
- \Std\RuntimeException
- \Std\UnexpectedTypeException - For non-typehinted methods
- \Std\UnexpectedValueException
- \Std\UnsafeOperationException
- \Std\InformativeExceptionInterface - Provides user-friendly error message
-
\Std\Array\ExceptionInterface
- Array\UnexpectedElementException
- Array\KeyCollisionException
Std\Introspect
Introspection and internals functions