Phalcon count in volt - count

Question

I have a counting problem in phalcon volt. I have a table named category and there I have two columns id and cname, and also have a table blog and there is a column category. I want to show how many post have in each category.
When I insert a post into blog table, in category column I'm inserting its category id. First of I just retrieve list of all category like this:
[controller]
$categories = Category::find();
$this->view->setVar('category', $categories);
$cx = Blogs::find();
$this->view->setVar('cates',$cx);
[Volt]
{% for categories in category %}
<a href="blog/category/{{categories.cname}}" class="tags">{{ categories.cname }}
<span>[
{% for cx in cates %}
{%if cx.category === categories.id %}
<?php echo(count($cx->category)); ?>
{% endif %}
{% endfor %}
]</span></a>
{% endfor %}
Its render like "1 1 1" or "1 1" or "1" but it should render like "3" or "2" or "1" whats my wrong?
I also tried like this but did not get the expected output:
{% for categories in category %}
<a href="blog/category/{{categories.cname}}" class="tags">{{ categories.cname }}
<span>[
{% for cx in cates %}
{%if cx.category === categories.id %}
{% if loop.first %} {{ loop.length }} {% endif %}
{% endif %}
{% endfor %}
]</span></a>
{% endfor %}

Answer 1

Have you defined your relationships between your models in Phalcon?
If so, you can use the built in commands to query the total amount of posts for each category
Example from the documentation:
You can also use “count” prefix to return an integer denoting the count of the related records:
$robot = Robots::findFirst(2);
echo "The robot has ", $robot->countRobotsParts(), " parts\n";
I don't have much experience with Volt templating, but I guess it will be something like:
{% for categories in category %}
<a href="blog/category/{{categories.cname}}" class="tags">{{ categories.cname }}
<span>[
{{ categories.countBlogs }}
]</span></a>
{% endfor %}
Refer to: https://docs.phalconphp.com/en/latest/reference/models.html#taking-advantage-of-relationships
UPDATE - model relations
[model: Category]
public function initialize()
{
// id => primary key name of the Category table
// Blogs => name of the table you want to create a relationship with
// category => name of the foreign key column in your relationship table
$this->hasMany('id', 'Blogs', 'category');
}
[model: Blogs]
public function initialize()
{
// category => blog column name which refers to the ID in the Category table
// Category => name of the Category table
// id => name of the primary key column in the Category table
$this->belongsTo('category', 'Category', 'id');
}

Answer 2

No Sir, its not working. But i just solved my problem like this :
[controller]
$categories = Category::find();
$this->view->setVar('category', $categories);
[volt]
{% for categories in category %}
<a href="blog/category/{{categories.cname}}" class="tags">{{ categories.cname }}
<span>[
<?php
$catcount = $this->modelsManager->executeQuery("SELECT Blogs.category FROM Blogs WHERE Blogs.category = $categories->id");echo(count($catcount));
?>
]</span></a>
{% endfor %}
Now its working as expected. and here i dont make any relations ion model.Is it ok Sir. Please! Thnx