<?php
namespace PhpOffice\PhpSpreadsheet\Calculation;
use PhpOffice\PhpSpreadsheet\Calculation\Engine\ArrayArgumentHelper;
use PhpOffice\PhpSpreadsheet\Calculation\Engine\ArrayArgumentProcessor;
trait ArrayEnabled
{
/**
* @var ArrayArgumentHelper
*/
private static $arrayArgumentHelper;
/**
* @param array|false $arguments Can be changed to array for Php8.1+
*/
private static function initialiseHelper($arguments): void
{
if (self::$arrayArgumentHelper === null) {
self::$arrayArgumentHelper = new ArrayArgumentHelper();
}
self::$arrayArgumentHelper->initialise(($arguments === false) ? [] : $arguments);
}
/**
* Handles array argument processing when the function accepts a single argument that can be an array argument.
* Example use for:
* DAYOFMONTH() or FACT().
*/
protected static function evaluateSingleArgumentArray(callable $method, array $values): array
{
$result = [];
foreach ($values as $value) {
$result[] = $method($value);
}
return $result;
}
/**
* Handles array argument processing when the function accepts multiple arguments,
* and any of them can be an array argument.
* Example use for:
* ROUND() or DATE().
*
* @param mixed ...$arguments
*/
protected static function evaluateArrayArguments(callable $method, ...$arguments): array
{
self::initialiseHelper($arguments);
$arguments = self::$arrayArgumentHelper->arguments();
return ArrayArgumentProcessor::processArguments(self::$arrayArgumentHelper, $method, ...$arguments);
}
/**
* Handles array argument processing when the function accepts multiple arguments,
* but only the first few (up to limit) can be an array arguments.
* Example use for:
* NETWORKDAYS() or CONCATENATE(), where the last argument is a matrix (or a series of values) that need
* to be treated as a such rather than as an array arguments.
*
* @param mixed ...$arguments
*/
protected static function evaluateArrayArgumentsSubset(callable $method, int $limit, ...$arguments): array
{
self::initialiseHelper(array_slice($arguments, 0, $limit));
$trailingArguments = array_slice($arguments, $limit);
$arguments = self::$arrayArgumentHelper->arguments();
$arguments = array_merge($arguments, $trailingArguments);
return ArrayArgumentProcessor::processArguments(self::$arrayArgumentHelper, $method, ...$arguments);
}
/**
* @param mixed $value
*/
private static function testFalse($value): bool
{
return $value === false;
}
/**
* Handles array argument processing when the function accepts multiple arguments,
* but only the last few (from start) can be an array arguments.
* Example use for:
* Z.TEST() or INDEX(), where the first argument 1 is a matrix that needs to be treated as a dataset
* rather than as an array argument.
*
* @param mixed ...$arguments
*/
protected static function evaluateArrayArgumentsSubsetFrom(callable $method, int $start, ...$arguments): array
{
$arrayArgumentsSubset = array_combine(
range($start, count($arguments) - $start),
array_slice($arguments, $start)
);
if (self::testFalse($arrayArgumentsSubset)) {
return ['#VALUE!'];
}
self::initialiseHelper($arrayArgumentsSubset);
$leadingArguments = array_slice($arguments, 0, $start);
$arguments = self::$arrayArgumentHelper->arguments();
$arguments = array_merge($leadingArguments, $arguments);
return ArrayArgumentProcessor::processArguments(self::$arrayArgumentHelper, $method, ...$arguments);
}
/**
* Handles array argument processing when the function accepts multiple arguments,
* and any of them can be an array argument except for the one specified by ignore.
* Example use for:
* HLOOKUP() and VLOOKUP(), where argument 1 is a matrix that needs to be treated as a database
* rather than as an array argument.
*
* @param mixed ...$arguments
*/
protected static function evaluateArrayArgumentsIgnore(callable $method, int $ignore, ...$arguments): array
{
$leadingArguments = array_slice($arguments, 0, $ignore);
$ignoreArgument = array_slice($arguments, $ignore, 1);
$trailingArguments = array_slice($arguments, $ignore + 1);
self::initialiseHelper(array_merge($leadingArguments, [[null]], $trailingArguments));
$arguments = self::$arrayArgumentHelper->arguments();
array_splice($arguments, $ignore, 1, $ignoreArgument);
return ArrayArgumentProcessor::processArguments(self::$arrayArgumentHelper, $method, ...$arguments);
}
}
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