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<?php declare(strict_types=1); |
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namespace Igni\Utils\ReflectionApi; |
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use Igni\Utils\Exception\ReflectionApiException; |
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use Igni\Utils\ReflectionApi; |
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final class RuntimeClass implements CodeGenerator |
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{ |
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use FinalTrait; |
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use AbstractTrait; |
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/** |
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* @var string |
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*/ |
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private $class; |
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/** |
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* @var string |
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*/ |
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private $className; |
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/** |
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* @var string[] |
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*/ |
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private $namespace; |
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/** |
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* @var string |
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*/ |
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private $extends; |
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/** |
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* @var string[] |
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*/ |
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private $implements = []; |
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/** |
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* @var string[] |
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*/ |
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private $uses = []; |
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/** |
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* @var bool |
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*/ |
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private $isLoaded = false; |
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/** |
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* @var RuntimeMethod[] |
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*/ |
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private $methods = []; |
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/** |
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* @var RuntimeProperty[] |
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*/ |
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private $properties = []; |
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/** |
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* @var RuntimeConstant[] |
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*/ |
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private $constant = []; |
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/** |
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* @var string[] |
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*/ |
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private static $registeredClasses = []; |
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public function __construct(string $class, string ...$implements) |
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{ |
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if (isset(self::$registeredClasses[$class]) || class_exists($class) || interface_exists($class)) { |
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throw ReflectionApiException::forAlreadyDefinedClass($class); |
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} |
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$this->class = $class; |
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$classParts = explode('\\', $class); |
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$this->className = array_pop($classParts); |
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$this->namespace = implode('\\', $classParts); |
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$this->implements(...$implements); |
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} |
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public function getNamespace(): string |
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{ |
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return $this->namespace; |
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} |
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public function getClass(): string |
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{ |
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return $this->class; |
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} |
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public function getClassName(): string |
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{ |
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return $this->className; |
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} |
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public function implements(string ...$interfaces): self |
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{ |
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foreach ($interfaces as &$interface) { |
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if (!interface_exists($interface)) { |
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throw ReflectionApiException::forNonExistentInterface($interface); |
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} |
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$interface = '\\' . $interface; |
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} |
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$this->implements = $interfaces; |
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return $this; |
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} |
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public function extends(string $class): self |
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{ |
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if (!class_exists($class)) { |
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throw ReflectionApiException::forNonExistentClass($class); |
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} |
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$this->extends = '\\' . $class; |
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return $this; |
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} |
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public function use(string ...$traits): self |
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{ |
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foreach ($traits as &$trait) { |
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if (!trait_exists($trait)) { |
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throw ReflectionApiException::forNonExistentTrait($trait); |
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} |
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$trait = '\\' . $trait; |
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} |
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$this->uses = $traits; |
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return $this; |
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} |
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public function isUsing(string $name): bool |
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{ |
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return in_array('\\' . $name, $this->uses); |
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} |
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public function isExtending(string $name): bool |
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{ |
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return ('\\' . $name) === $this->extends; |
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} |
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public function implementsInterface(string $interface): bool |
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{ |
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return in_array('\\' . $interface, $this->implements); |
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} |
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public function addMethod(RuntimeMethod $method): self |
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{ |
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$this->methods[$method->getName()] = $method; |
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return $this; |
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} |
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public function hasMethod(string $name): bool |
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{ |
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return isset($this->methods[$name]); |
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} |
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public function addProperty(RuntimeProperty $property): self |
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{ |
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$this->properties[$property->getName()] = $property; |
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return $this; |
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} |
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public function addConstant(RuntimeConstant $constant): self |
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{ |
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$this->constant[$constant->getName()] = $constant; |
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return $this; |
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} |
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public function hasConstant(string $name): bool |
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{ |
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return isset($this->constant[$name]); |
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} |
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public function hasProperty(string $name): bool |
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{ |
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return isset($this->properties[$name]); |
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} |
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public function generateCode(): string |
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{ |
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$code = ''; |
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if ($this->namespace) { |
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$code .= "namespace {$this->namespace} {\n"; |
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} |
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if ($this->final) { |
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$code .= 'final '; |
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} |
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if ($this->abstract) { |
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$code .= 'abstract '; |
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} |
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$code .= "class {$this->className}"; |
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if ($this->extends) { |
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$code .= " extends {$this->extends}"; |
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} |
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if ($this->implements) { |
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$code .= ' implements ' . implode(',', $this->implements); |
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} |
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$code .= "\n{\n"; |
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foreach ($this->constant as $constant) { |
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$code .= "\t{$constant->generateCode()}\n"; |
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} |
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foreach ($this->properties as $property) { |
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$code .= "\t{$property->generateCode()}\n"; |
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} |
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foreach ($this->methods as $method) { |
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$methodBody = explode("\n", $method->generateCode()); |
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foreach ($methodBody as $methodLine) { |
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$code .= "\t" . $methodLine . PHP_EOL; |
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} |
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} |
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$code .= "}\n"; |
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if ($this->namespace) { |
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$code .= "\n}\n"; |
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} |
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return $code; |
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} |
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public function createInstance() |
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{ |
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$this->load(); |
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return ReflectionApi::createInstance($this->class); |
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} |
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public function register(): bool |
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{ |
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if (isset(self::$registeredClasses[$this->class])) { |
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return false; |
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} |
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self::$registeredClasses[$this->class] = $this->class; |
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return true; |
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} |
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public function load(): bool |
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{ |
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if (!$this->register()) { |
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throw ReflectionApiException::forAlreadyDefinedClass($this->class); |
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} |
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if ($this->isLoaded) { |
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return $this->isLoaded; |
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} |
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try { |
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$fileName = tempnam(sys_get_temp_dir(), 'igni-reflection-api'); |
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$file = fopen($fileName,'w'); |
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fwrite($file, '<?php ' . $this); |
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fclose($file); |
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$this->isLoaded = true; |
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require_once $fileName; |
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} catch (\Throwable $exception) { |
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return false; |
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} |
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return true; |
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} |
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public function __toString(): string |
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{ |
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return $this->generateCode(); |
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} |
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} |
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Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..