PHP website interface implements simple encryption method

This article mainly shares with you how to implement simple encryption through the PHP website interface. I hope it can help you.

// md5加密数据 添加sign
function md5Encryption($post_data)
{
	$post_data['time_stamp'] = time();
	ksort($post_data);
	$post_data['sign'] = md5( implode('#', $post_data) . '58coin' );
	//print_r($post_data);
	return $post_data;
}	

// 验证 md5加密数据sign
function checkMd5Encryption($post_data)
{
	// 验证有效期【60秒】
	if( ($post_data['time_stamp']+60) < time() ):
		echo json_encode(['code'=>400,'msg'=>'overtime!', 'data'=>'']);
		die;
	endif;
	// 验证签名
	$sign = $post_data['sign'];
	unset($post_data['sign']);
	ksort($post_data);
	if($sign != md5( implode('#', $post_data) . '58coin' ) ):
		echo json_encode(['code'=>400,'msg'=>'sign error!', 'data'=>'']);
		die;
	endif;
}

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