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Informations about the package array-list
Install
what problem does this library solve?
There are no built-in mechanisms for creating lists in the PHP language. An associative array does not guarantee that its elements are typed.
Example
In this example, we do not guarantee that all elements will be the necessary objects, and we also do not guarantee that the array will be without attachments.
The code did not become larger, but typification appeared. ArrayList takes care of all typing and data access issues. We can be sure that all types in the array are correct and not do unnecessary checks.
Example
More examples in the directory /example
Only integer
If we need a collection of objects
Use as Object
Use as Array
Methods
add(mixed $item): void
Adds an element to the array
count(): int
Return the number of elements in the array
isEmpty(): bool
Return is empty
indexOf(mixed $element): ?int
Searches the array for a match, if there is one it will return the index, if not then return null
lastIndexOf(): ?int
Will return the last index in the array, if the array is empty will return null
clone(): self
Clones an object
toArray(): array
Converts to an associative array
get(int $index): mixed
Returns an element by its index, if there is no element, an exception will be thrown
set(int $index, mixed $item): void
Sets a value on an element by its index
exists(int $index): bool
Checks the presence of an element by its index
remove(int $index): void
Remove element by its index
clear(): void
Cleans the array
forEach(): callback(mixed $item, int $index)
Returns a callback for each element in the array
sort(string $sort = 'asc'|'desc'): void
Sorts an array
Support class
ArrayListInteger
Creates a list where the elements must all be integer
ArrayListString
Creates a list where the elements must all be string
ArrayListFloat
Creates a list where the elements must all be float
Constants
Constants by types
- TYPE_STRING
- TYPE_INTEGER
- TYPE_BOOLEAN
- TYPE_FLOAT
Constants by sort
- SORT_DESC
- SORT_ASC