The yii2-field-range extension enables you to easily setup ActiveField range fields with Bootstrap styling. You basically can setup two attributes joined together like a single field with combined validation error block.
Created 5 years ago by mb – Tips – 3 comments – viewed 13,877 times
( +2 / -1 )
find doubletts by db fields.
in this example i will check doublets for 3 tabelfields (col1,col2,col3).
so i will get a subquery with the condition, select and grouping of the tablefields. the having with COUNT() > 1 means: find all records more then one result.
Many applications wish to obtain parts of the URL for the current page (the hostname, the query string, etc.), and the CHttpRequest class wraps various $_SERVER variables to break down the URL into its constituent parts.
En ciertas ocasiones tenemos que lidiar con el tema de colocar una lista de checkboxes para hacer una seleccion especifica como es el caso de los dias de la semana para un calendario, para esta labor tenemos el comando CHtml::checkBoxList(), revisando un poco el funcionamiento de este temos los siguientes parametros:
When using CListView to display multiple views next to each other, we can use the $index variable inside the viewFile to achieve this. As far as i know there is no extension or out-of-the-box functionality for this, so we need to apply a little hack:
Yii's CArrayDataProvider is very helpful to display model relation data's directly on it.But it is truely a confusing one because by default it will assume a table field named “id” as primary key for its pagination purpose and what if you dont have field named “id” as primary key on your table? so its truely confusing and if you tried to display without an “id” field on ur table you will get an error like “yourmodel.id is not defined”.