ensostudio/comparator

任何PHP变量的灵活比较

1.1.0 2022-08-27 12:57 UTC

This package is auto-updated.

Last update: 2024-09-27 17:16:02 UTC


README

灵活比较的

  • 索引/关联数组
  • 对象/闭包
  • 浮点数/NAN
  • 二进制/文本字符串
  • 流资源

安装

通过Composer

composer require ensostudio/comparator

用法

use EnsoStudio\Comparator\Comparator;
$comparator = Comparator(Comparator::EQUAL_ARRAY | Comparator::EQUAL_FLOAT);
if ($comparator->compare($value, $value2)) {
   echo 'same values';
}
$comparator->setFlags(Comparator::EQUAL_FLOAT);
var_dump(3 - 2.4 == 0.6, $comparator->compare(3 - 2.4, 0.6));
// false, true

$comparator->setFlags(Comparator::EQUAL_STRING);
var_dump('foo' == 'FOO', $comparator->compare('foo', 'FOO'));
// false, true
// Case-issensetive comparation supports only for English:
var_dump($comparator->compare('я', 'Я'));
// false

$comparator->setFlags(Comparator::EQUAL_CLOSURE);
$createClosure = function () {
    return function ($value) {
        return $value * 2;
    };
};
var_dump($createClosure() == $createClosure(), $comparator->compare($createClosure(), $createClosure()));
// false, true

$comparator->setFlags(Comparator::EQUAL_ARRAY | Comparator::EQUAL_FLOAT);
var_dump($comparator->compare(
  ['float' => 2 - 1.6, 'int' => 3],
  ['int' => 3, 'float' => 0.4]
));
// true

公共API

namespace EnsoStudio\Comparator;
class Comparator
{
    public function __construct(int $flags);
    public function setFlags(int $flags);
    public function getFlags(): int;
    public function hasFlag(int $flag): bool;
    public function getType(mixed $value): string;
    public function canCompare(string $type, string $type2): bool;
    public function compare(mixed $value, mixed $value): bool;
}