Returns a regex requirement for a route parameter.

Parameters

mixed $definition: The parameter definition provided in the route options.

string $name: The name of the parameter.

Return value

string|null A regex pattern (without delimiters or anchors) suitable for Route::setRequirement(), or NULL if no requirement can be determined.

1 method overrides ParamConverterRouteRequirementInterface::getRouteRequirement()

EntityConverter::getRouteRequirement in core/lib/Drupal/Core/ParamConverter/EntityConverter.php

Returns a regex requirement for a route parameter.

File

core/lib/Drupal/Core/ParamConverter/ParamConverterRouteRequirementInterface.php, line 22

Class

ParamConverterRouteRequirementInterface

Interface for param converters providing a route requirement for parameters.

Namespace

Drupal\Core\ParamConverter

Code

public function getRouteRequirement($definition, $name) : ?string;

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