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<?php
class MFN_Validation_numeric extends MFN_Options{
/**
* Field Constructor.
*
* Required - must call the parent constructor, then assign field and value to vars, and obviously call the render field function
*
* @since MFN_Options 1.0
*/
function __construct($field, $value, $current){
parent::__construct();
$this->field = $field;
$this->field['msg'] = (isset($this->field['msg']))?$this->field['msg']:__('You must provide a numerical value for this option.', 'mfn-opts');
$this->value = $value;
$this->current = $current;
$this->validate();
}//function
/**
* Field Render Function.
*
* Takes the vars and outputs the HTML for the field in the settings
*
* @since MFN_Options 1.0
*/
function validate(){
if(!is_numeric($this->value)){
$this->value = (isset($this->current))?$this->current:'';
$this->error = $this->field;
}
}//function
}//class
?>