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Vendor silasyudi
Package optional
Short Description Portability of Java's java.util.Optional class to PHP.
License MIT

Keywords java optional

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Example code of silasyudi/optional

Informations about the package optional

Optional

Portability of Java's java.util.Optional<T> class to PHP, updated with Java 11 features.

Summary

Language / Idioma
Instalation
Requirements
Features
Differences

Language / Idioma

Leia a versão em português :brazil: aqui.

Instalation

Requirements

PHP 7.4+
Composer

Features

The Optional class encapsulates a value and can perform various operations on it.

Example without Optional:

Example with Optional:

Differences

Some differences could not be avoided due to the particularities of each language. The most important are listed below:

Optional.stream() of the Java was not imported into this package, as it doesn't have something similar in PHP and already has similar methods in map, flatMap and filter.
Optional.hashCode() was not imported into this package.
NullPointerException e NoSuchElementException of the Java was replaced by OptionalInvalidStateException when the Optional object cannot be empty and TypeError when attempting to pass null in callable parameters.
Optional.orElseThrow in Java 11 is overloaded, and expects no parameter or a Supplier parameter. In this package, this method expects a Throwable object or null as parameter.
Consumer, Function, Predicate and Supplier was imported as callable.

All versions of optional with dependencies

PHP Build Version

Package Version

Version v2.0.0 Release 14. May 2022
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Download latest version of optional from vendor silasyudi

Requires php Version >=7.4

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