<?php
namespace Illuminate\Routing;
use Illuminate\Support\Arr;
trait CreatesRegularExpressionRouteConstraints
{
/**
* Specify that the given route parameters must be alphabetic.
*
* @param array|string $parameters
* @return $this
*/
public function whereAlpha($parameters)
{
return $this->assignExpressionToParameters($parameters, '[a-zA-Z]+');
}
/**
* Specify that the given route parameters must be alphanumeric.
*
* @param array|string $parameters
* @return $this
*/
public function whereAlphaNumeric($parameters)
{
return $this->assignExpressionToParameters($parameters, '[a-zA-Z0-9]+');
}
/**
* Specify that the given route parameters must be numeric.
*
* @param array|string $parameters
* @return $this
*/
public function whereNumber($parameters)
{
return $this->assignExpressionToParameters($parameters, '[0-9]+');
}
/**
* Specify that the given route parameters must be UUIDs.
*
* @param array|string $parameters
* @return $this
*/
public function whereUuid($parameters)
{
return $this->assignExpressionToParameters($parameters, '[\da-fA-F]{8}-[\da-fA-F]{4}-[\da-fA-F]{4}-[\da-fA-F]{4}-[\da-fA-F]{12}');
}
/**
* Apply the given regular expression to the given parameters.
*
* @param array|string $parameters
* @param string $expression
* @return $this
*/
protected function assignExpressionToParameters($parameters, $expression)
{
return $this->where(collect(Arr::wrap($parameters))
->mapWithKeys(function ($parameter) use ($expression) {
return [$parameter => $expression];
})->all());
}
}