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36 lines
704 B
PHP
36 lines
704 B
PHP
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<?php
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interface Resolver {
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public function resolve($root, $args, $context);
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}
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class Addition implements Resolver
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{
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public function resolve($root, $args, $context)
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{
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return $args['x'] + $args['y'];
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}
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}
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class Echoer implements Resolver
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{
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public function resolve($root, $args, $context)
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{
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return $root['prefix'].$args['message'];
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}
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}
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return [
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'sum' => function($root, $args, $context) {
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$sum = new Addition();
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return $sum->resolve($root, $args, $context);
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},
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'echo' => function($root, $args, $context) {
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$echo = new Echoer();
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return $echo->resolve($root, $args, $context);
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},
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'prefix' => 'You said: ',
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];
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