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CanBePrecognitive.php
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<?php namespace Illuminate\Http\Concerns; use Illuminate\Support\Collection; trait CanBePrecognitive { /** * Filter the given array of rules into an array of rules that are included in precognitive headers. * * @param array $rules * @return array */ public function filterPrecognitiveRules($rules) { if (! $this->headers->has('Precognition-Validate-Only')) { return $rules; } return Collection::make($rules) ->only(explode(',', $this->header('Precognition-Validate-Only'))) ->all(); } /** * Determine if the request is attempting to be precognitive. * * @return bool */ public function isAttemptingPrecognition() { return $this->header('Precognition') === 'true'; } /** * Determine if the request is precognitive. * * @return bool */ public function isPrecognitive() { return $this->attributes->get('precognitive', false); } }