Examples

All examples listed here can be found in the extension styleguide.

Example: Simple checkbox with label

TCA:

'columns' => [
    'checkbox_2' => [
        'exclude' => 1,
        'label' => 'checkbox_2',
        'description' => 'one checkbox with label',
        'config' => [
            'type' => 'check',
            'items' => [
                [
                    'foo',
                    '',
                ],
            ],
        ],
    ],
]

If the checkbox is checked, the value for the field will be 1, if unchecked, it will be 0.

FlexForm:

EXT:styleguide/Configuration/TCA/tx_styleguide_flex.php

<checkbox_2>
   <TCEforms>
       <label>checkbox_2 cols=3</label>
       <config>
           <type>check</type>
           <items type="array">
               <numIndex index="0" type="array">
                   <numIndex index="0">foo1</numIndex>
                   <numIndex index="1"></numIndex>
               </numIndex>
               <numIndex index="1" type="array">
                   <numIndex index="0">foo2</numIndex>
                   <numIndex index="1"></numIndex>
               </numIndex>
               <numIndex index="2" type="array">
                   <numIndex index="0">foo3</numIndex>
                   <numIndex index="1"></numIndex>
               </numIndex>
               <numIndex index="3" type="array">
                   <numIndex index="0">foo4</numIndex>
                   <numIndex index="1"></numIndex>
               </numIndex>
           </items>
           <cols>3</cols>
       </config>
   </TCEforms>
</checkbox_2>

Example: Four checkboxes in three columns

TCA:

'columns' => [
    'checkbox_12' => [
        'exclude' => 1,
        'label' => 'checkbox_12',
        'description' => 'cols=3',
        'config' => [
            'type' => 'check',
            'items' => [
                [
                    'foo1',
                    '',
                ],
                [
                    'foo2',
                    '',
                ],
                [
                    'foo3',
                    '',
                ],
                [
                    'foo4',
                    '',
                ],
            ],
            'cols' => '3',
        ],
    ],
]

If all checkboxes are checked, the value for the field will be 15 (1 | 2 | 4 | 8).

Example: Checkboxes with inline floating

'columns' => [
    'checkbox_16' => [
        'exclude' => 1,
        'label' => 'checkbox_16',
        'description' => 'cols=inline',
        'config' => [
            'type' => 'check',
            'items' => [
                [
                    'Mo',
                    '',
                ],
                [
                    'Tu',
                    '',
                ],
                [
                    'We',
                    '',
                ],
                [
                    'Th',
                    '',
                ],
                [
                    'Fr',
                    '',
                ],
                [
                    'Sa',
                    '',
                ],
                [
                    'Su',
                    '',
                ],
            ],
            'cols' => 'inline',
        ],
    ],
]

This will display as many checkbox items as will fit in one row. Without inline, each checkbox would be displayed in a separate row.