How to clean or flush cache programmatically in magento2?

Some times we need to clear cache programmatically.

You can do that by using the below code.

<?php
namespace Magemonkeys\Cache\Block;

class CacheClear extends \Magento\Framework\View\Element\Template
{
    public function __construct(
        \Magento\Framework\View\Element\Template\Context $context,
        \Magento\Framework\App\Cache\Frontend\Pool $cacheFrontendPool,
        \Magento\Framework\App\Cache\TypeListInterface $cacheTypeList,
        array $data = []
    ) {
        $this->_cacheFrontendPool = $cacheFrontendPool;
        $this->_cacheTypeList = $cacheTypeList;
        parent::__construct($context, $data);
    }


    public function cacheClear()
    {
        /* get all types of cache in system */
        $allTypes = array_keys($this->_cacheTypeList->getTypes());

        /* Clean cached data for specific cache type */
        foreach ($allTypes as $type) {
            $this->_cacheTypeList->cleanType($type);
        }

        /* flushed the Entire cache storage from system, Works like Flush Cache Storage button click on System -> Cache Management */
        foreach ($this->_cacheFrontendPool as $cacheFrontend) {
            $cacheFrontend->getBackend()->clean();
        }
    }
}

<?php

namespace Magemonkeys\Cache\Block;

class CacheClear extends \Magento\Framework\View\Element\Template

{

public function __construct(

\Magento\Framework\View\Element\Template\Context $context,

\Magento\Framework\App\Cache\Frontend\Pool $cacheFrontendPool,

\Magento\Framework\App\Cache\TypeListInterface $cacheTypeList,

array $data = []

) {

$this->_cacheFrontendPool = $cacheFrontendPool;

$this->_cacheTypeList = $cacheTypeList;

parent::__construct($context, $data);

}

public function cacheClear()

{

/* get all types of cache in system */

$allTypes = array_keys($this->_cacheTypeList->getTypes());

/* Clean cached data for specific cache type */

foreach ($allTypes as $type) {

$this->_cacheTypeList->cleanType($type);

}

/* flushed the Entire cache storage from system, Works like Flush Cache Storage button click on System -> Cache Management */

foreach ($this->_cacheFrontendPool as $cacheFrontend) {

$cacheFrontend->getBackend()->clean();

}

Call function like below,

$clearCache = $block->cacheClear();

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