Convert php array to table with twig

Question

Hi I need to build a table with twig from a php array, I would like to use the array keys as header for each column.

this is the array

    Array ( 
     [0] => Array ( 
         [building_code] => 2C 
         [building_unit_id] => 57 
         [address] => Via monteverde 45 
         [name] => Andrea 
     ) 
     [1] => Array ( 
         [building_code] => 4E 
         [building_unit_id] => 55 
         [address] => Via monteverde 45 
         [name] => Andrea 
     ) 
    )

This is what I've tried so far

<table>
    <thead>
        <tr>

            {% for titolo in prova|keys %}

            <th>{{titolo}}</th>

            {% endfor %}

        </tr>
    </thead>
    <tbody>

        {% for sub_array in prova %}
        <tr>
            {% for value in sub_array %}
            <td>{{ value }}</th>
                {% endfor %}
        </tr>
        {% endfor %}
    </tbody>
</table>

This is the result

0   1
2C  57  Via monteverde 45   Andrea
4E  55  Via monteverde 45   Andrea

What you describe sounds good. The next step for you is to take a look at the documentation of the tool you want to use. And maybe at a few examples you can find online. And then you start. — arkascha
– arkascha, Commented Jul 28, 2019 at 19:26

Qirel · Accepted Answer · 2019-07-29 05:22:37Z

2

Your issue is that the keys you want to use as headers exist as the keys in the second-depth array, not the primary array. Meaning that you have to loop those keys instead of the keys in the first array.

Using prova.0 to get the first element, will then result in the keys being of the sub-array - which you can then loop as before.

{% for titolo in prova|first|keys %}
    <th>{{titolo}}</th>
{% endfor %}

edited Jul 29, 2019 at 5:22

answered Jul 28, 2019 at 19:42

Qirel

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6 Comments

pippo Over a year ago

Hi @Qirel many thanks it works, accepted your answer because you also explained whay my code wasn't working and I've learnt something knew thanks to you

DarkBee Over a year ago

Consider using prova | first | keys over prova.0 | keys though

Qirel Over a year ago

I actually had that first, but wasn't sure if you could do it like that way, so I edited it to what I knew would work - I'm not that familiar with twig. Good to know that prova|first|keys would work too!

DarkBee Over a year ago

Yeah, it's safer to use as the key 0 maybe doesn't exist.

Qirel Over a year ago

You're absolutley right, I just wasn't 100% sure if it was allowed syntax in twig :-) Thanks, DarkBee!

|

Rahul · Accepted Answer · 2019-07-28 19:39:52Z

2

You can do something like this by fetching keys of the first array of prova

<table>
    <thead>
        <tr>
            {% for titolo in prova.0|keys %}
                <th>{{titolo}}</th>
            {% endfor %}
        </tr>
    </thead>
    <tbody>
        {% for sub_array in prova %}
            <tr>
                {% for value in sub_array %}
                    <td>{{ value }}</th>
                {% endfor %}
            </tr>
        {% endfor %}
    </tbody>
</table>

answered Jul 28, 2019 at 19:39

Rahul

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