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<?php
namespace exTpl;
/**
* SymbolExpression represents a symbol (template variable).
*/
class SymbolExpression implements Expression
{
protected string $name;
/**
* Initializes a new Expression instance.
*
* @param string $name symbol name
*/
public function __construct(string $name)
{
$this->name = $name;
}
/**
* Returns the name of this symbol.
*/
public function name(): string
{
return $this->name;
}
/**
* Returns the value of this expression.
*
* @param Context $context symbol table
*/
public function value(Context $context): mixed
{
return $context->lookup($this->name);
}
}
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