php - Minimum and Maximum rule for words? -

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in yii there rule should define min , max number of words in textfield

i used 

array('text', 'length', 'min'=>5, 'max'=>40000),

but charecters need min 4 words , max 4000 words instead of character

you can make custom rule validate word length on yii side, considering text area name description.

public function rules() {     return array(        array('description', 'validatewordlength'),     ); }

now thing need create new method inside model, named after validation rule declared.

public function validatewordlength($attribute,$params) {     $total_words= str_word_count($object->$attribute);     if($total_words>4000)     {        $this->adderror($attribute, 'your description length exceeded');     }     if($total_words<5)     {        $this->adderror($attribute, 'your description length small');     }  }

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