HelperSet

class HelperSet implements IteratorAggregate

HelperSet represents a set of helpers to be used with a command.

Methods

	__construct(array $helpers = array()) Constructor.
	set(HelperInterface $helper, string $alias = null) Sets a helper.
bool	has(string $name) Returns true if the helper if defined.
HelperInterface	get(string $name) Gets a helper value.
	setCommand(Command $command = null) Sets the command associated with this helper set.
Command	getCommand() Gets the command associated with this helper set.
Helper[]	getIterator()

Details

__construct(array $helpers = array())

Constructor.

Parameters

array

$helpers

An array of helper

set(HelperInterface $helper, string $alias = null)

Sets a helper.

Parameters

HelperInterface	$helper	The helper instance
string	$alias	An alias

bool has(string $name)

Returns true if the helper if defined.

Parameters

string

$name

The helper name

Return Value

bool	true if the helper is defined, false otherwise

HelperInterface get(string $name)

Gets a helper value.

Parameters

string

$name

The helper name

Return Value

HelperInterface

The helper instance

Exceptions

InvalidArgumentException

if the helper is not defined

setCommand(Command $command = null)

Sets the command associated with this helper set.

Parameters

Command

$command

A Command instance

Command getCommand()

Gets the command associated with this helper set.

Return Value

Command

A Command instance

Helper[] getIterator()

Return Value

Helper[]

Links:

http://api.symfony.com/master/Symfony/Component/Console/Helper/HelperSet.html

doc_Symfony

2016-10-28 06:20:22

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