Commit inicial - WordPress Análisis de Precios Unitarios

- WordPress core y plugins
- Tema Twenty Twenty-Four configurado
- Plugin allow-unfiltered-html.php simplificado
- .gitignore configurado para excluir wp-config.php y uploads

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

wp-content/plugins/wp-ultimate-csv-importer/lib/NXP/Classes/CustomFunction.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace NXP\Classes;
+
+use NXP\Exception\IncorrectNumberOfFunctionParametersException;
+use ReflectionException;
+use ReflectionFunction;
+
+class CustomFunction
+{
+    /**
+     * @var callable $function
+     */
+    public $function;
+
+    private bool $isVariadic;
+
+    private int $totalParamCount;
+
+    private int $requiredParamCount;
+
+    /**
+     * CustomFunction constructor.
+     *
+     * @throws ReflectionException
+     */
+    public function __construct(public string $name, callable $function)
+    {
+        $this->function = $function;
+        $reflection = (new ReflectionFunction($function));
+        $this->isVariadic = $reflection->isVariadic();
+        $this->totalParamCount = $reflection->getNumberOfParameters();
+        $this->requiredParamCount = $reflection->getNumberOfRequiredParameters();
+
+    }
+
+    /**
+     * @param array<Token> $stack
+     *
+     * @throws IncorrectNumberOfFunctionParametersException
+     */
+    public function execute(array &$stack, int $paramCountInStack) : Token
+    {
+        if ($paramCountInStack < $this->requiredParamCount) {
+            throw new IncorrectNumberOfFunctionParametersException($this->name);
+        }
+
+        if ($paramCountInStack > $this->totalParamCount && ! $this->isVariadic) {
+            throw new IncorrectNumberOfFunctionParametersException($this->name);
+        }
+        $args = [];
+
+        if ($paramCountInStack > 0) {
+            for ($i = 0; $i < $paramCountInStack; $i++) {
+                \array_unshift($args, \array_pop($stack)->value);
+            }
+        }
+
+        $result = \call_user_func_array($this->function, $args);
+
+        return new Token(Token::Literal, $result);
+    }
+}