set_radio()

set_radio($field[, $value = ''[, $default = FALSE]])

Parameters:	$field (string) – Field name $value (string) – Value to check for $default (string) – Whether the value is also a default one
Returns:	‘checked’ attribute or an empty string
Return type:	string

Permits you to display radio buttons in the state they were submitted. This function is identical to the set_checkbox() function above.

Example:

<input type="radio" name="myradio" value="1" <?php echo  set_radio('myradio', '1', TRUE); ?> />
<input type="radio" name="myradio" value="2" <?php echo  set_radio('myradio', '2'); ?> />

Note

If you are using the Form Validation class, you must always specify a rule for your field, even if empty, in order for the set_*() functions to work. This is because if a Form Validation object is defined, the control for set_*() is handed over to a method of the class instead of the generic helper function.

Links:

http://www.codeigniter.com/user_guide/helpers/form_helper.html#set_radio

doc_CodeIgniter

2016-10-15 16:32:38

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