The FieldList push method is used to add a new form field to the existing list of fields. It pushes the new field to the end of the list. This method is commonly used in web development using PHP to dynamically add or remove form fields.
An example code snippet using the FieldList push method is as follows:
// Create a new FieldList object $fields = FieldList::create();
// Add a text field to the FieldList using the push method $fields->push(TextField::create('Email'));
// Add a dropdown field to the FieldList using the push method $fields->push(DropdownField::create('Gender')->setSource(array('Male', 'Female')));
In this example, we create a new FieldList object and use the push method to add a text field and a dropdown field to the list. Then we render the FieldList using the Form object.
The package library for this code example is likely to be the SilverStripe framework. The FieldList, TextField, DropdownField, and Form objects are all part of the SilverStripe framework, which is a popular PHP framework for building CMS-driven websites.
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