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by Daniel
05:15
created

Arr::getFunction()   A

Complexity

Conditions 4
Paths 4

Size

Total Lines 13
Code Lines 8

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
c 1
b 0
f 0
dl 0
loc 13
rs 9.2
cc 4
eloc 8
nc 4
nop 3
1
<?php
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namespace Narrowspark\Arr;
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use BadMethodCallException;
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use ReflectionClass;
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use ReflectionMethod;
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use RuntimeException;
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class Arr
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{
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    /**
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     * A mapping of method names to the numbers of arguments it accepts. Each
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     * should be two more than the equivalent method.
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     *
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     * @var string[]
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     */
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     protected $classes = [
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        Access::class,
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        Enumerator::class,
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        Transform::class,
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        Traverse::class
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    ];
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    protected $methodArgs = null;
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    /**
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     * Invokes the given method with the rest of the passed arguments.
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     * The result is not cast, so the return value may be of type Arr, array,
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     * integer, boolean, etc.
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     *
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     * @param string  $name
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     * @param mixed[] $args
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     *
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     * @throws \BadMethodCallException
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     * @throws \RuntimeException
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     *
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     * @return mixed
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     */
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    public function __call($name, $args)
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    {
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        $this->getMethodArgs($name);
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        if (!isset($this->methodArgs[$name])) {
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            throw new BadMethodCallException(sprintf('%s is not a valid method.', $name));
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        }
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        if (count($args) !== $this->methodArgs[$name]) {
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            throw new RuntimeException(
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                sprintf(
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                    '%s counted arguments dont match needed arguments %s for function %s.',
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                    count($args),
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                    count($this->methodArgs[$name]),
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                    $name
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                )
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            );
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        }
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        foreach ($this->classes as $class) {
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            if (method_exists($class, $name)) {
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                $this->getFunction(new $class(), $name, $args);
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            }
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        }
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    }
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    /**
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     * Get all methods arguments.
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     *
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     * @param string $name
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     */
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    protected function getMethodArgs($name)
0 ignored issues
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Unused Code introduced by
The parameter $name is not used and could be removed.

This check looks from parameters that have been defined for a function or method, but which are not used in the method body.

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    {
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        if (!$this->methodArgs) {
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            foreach ($this->classes as $classInterface) {
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                $class = new ReflectionClass($classInterface);
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                $methods = $class->getMethods(ReflectionMethod::IS_PUBLIC);
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                foreach ($methods as $method) {
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                    $params = $method->getNumberOfParameters();
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                    $this->methodArgs[$method->name] = $params;
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                }
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            }
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        }
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    }
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    /**
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     * Get function from the correct object.
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     *
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     * @param object $instance
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     * @param string $method
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     * @param array  $args
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     *
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     * @return mixed
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     */
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    protected function getFunction($instance, $method, $args)
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    {
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        switch (count($args)) {
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            case 2:
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                return $instance->$method($args[0], $args[1]);
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            case 3:
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                return $instance->$method($args[0], $args[1], $args[2]);
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            case 4:
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                return $instance->$method($args[0], $args[1], $args[2], $args[3]);
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        }
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    }
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}
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