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<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\validators;
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use Yii;
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/**
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* NumberValidator validates that the attribute value is a number.
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*
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* The format of the number must match the regular expression specified in [[pattern]].
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* Optionally, you may configure the [[max]] and [[min]] properties to ensure the number
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* is within certain range.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @since 2.0
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*/
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class NumberValidator extends Validator
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{
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/**
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* @var boolean whether the attribute value can only be an integer. Defaults to false.
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*/
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public $integerOnly = false;
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/**
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* @var integer|float upper limit of the number. Defaults to null, meaning no upper limit.
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*/
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public $max;
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/**
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* @var integer|float lower limit of the number. Defaults to null, meaning no lower limit.
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*/
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public $min;
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/**
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* @var string user-defined error message used when the value is bigger than [[max]].
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*/
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public $tooBig;
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/**
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* @var string user-defined error message used when the value is smaller than [[min]].
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*/
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public $tooSmall;
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/**
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* @var string the regular expression for matching integers.
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*/
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public $integerPattern = '/^\s*[+-]?\d+\s*$/';
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/**
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* @var string the regular expression for matching numbers. It defaults to a pattern
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* that matches floating numbers with optional exponential part (e.g. -1.23e-10).
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*/
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public $numberPattern = '/^\s*[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?\s*$/';
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/**
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* Validates the attribute of the object.
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* If there is any error, the error message is added to the object.
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* @param \yii\base\Model $object the object being validated
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* @param string $attribute the attribute being validated
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*/
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public function validateAttribute($object, $attribute)
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{
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$value = $object->$attribute;
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if (is_array($value)) {
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$this->addError($object, $attribute, Yii::t('yii|{attribute} is invalid.'));
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return;
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}
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if ($this->integerOnly) {
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if (!preg_match($this->integerPattern, "$value")) {
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$message = $this->message !== null ? $this->message : Yii::t('yii|{attribute} must be an integer.');
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$this->addError($object, $attribute, $message);
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}
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} else {
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if (!preg_match($this->numberPattern, "$value")) {
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$message = $this->message !== null ? $this->message : Yii::t('yii|{attribute} must be a number.');
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$this->addError($object, $attribute, $message);
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}
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}
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if ($this->min !== null && $value < $this->min) {
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$message = $this->tooSmall !== null ? $this->tooSmall : Yii::t('yii|{attribute} must be no less than {min}.');
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$this->addError($object, $attribute, $message, array('{min}' => $this->min));
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}
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if ($this->max !== null && $value > $this->max) {
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$message = $this->tooBig !== null ? $this->tooBig : Yii::t('yii|{attribute} must be no greater than {max}.');
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$this->addError($object, $attribute, $message, array('{max}' => $this->max));
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}
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}
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/**
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* Validates the given value.
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* @param mixed $value the value to be validated.
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* @return boolean whether the value is valid.
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*/
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public function validateValue($value)
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{
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return preg_match($this->integerOnly ? $this->integerPattern : $this->numberPattern, "$value")
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&& ($this->min === null || $value >= $this->min)
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&& ($this->max === null || $value <= $this->max);
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}
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/**
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* Returns the JavaScript needed for performing client-side validation.
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* @param \yii\base\Model $object the data object being validated
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* @param string $attribute the name of the attribute to be validated.
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* @return string the client-side validation script.
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*/
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public function clientValidateAttribute($object, $attribute)
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{
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$label = $object->getAttributeLabel($attribute);
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if (($message = $this->message) === null) {
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$message = $this->integerOnly ? Yii::t('yii|{attribute} must be an integer.')
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: Yii::t('yii|{attribute} must be a number.');
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}
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$message = strtr($message, array(
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'{attribute}' => $label,
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));
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$pattern = $this->integerOnly ? $this->integerPattern : $this->numberPattern;
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$js = "
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if(!value.match($pattern)) {
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messages.push(" . json_encode($message) . ");
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}
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";
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if ($this->min !== null) {
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if (($tooSmall = $this->tooSmall) === null) {
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$tooSmall = Yii::t('yii|{attribute} must be no less than {min}.');
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}
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$tooSmall = strtr($tooSmall, array(
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'{attribute}' => $label,
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'{min}' => $this->min,
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));
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$js .= "
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if(value<{$this->min}) {
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messages.push(" . json_encode($tooSmall) . ");
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}
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";
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}
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if ($this->max !== null) {
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if (($tooBig = $this->tooBig) === null) {
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$tooBig = Yii::t('yii|{attribute} must be no greater than {max}.');
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}
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$tooBig = strtr($tooBig, array(
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'{attribute}' => $label,
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'{max}' => $this->max,
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));
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$js .= "
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if(value>{$this->max}) {
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messages.push(" . json_encode($tooBig) . ");
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}
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";
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}
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if ($this->skipOnEmpty) {
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$js = "
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if(jQuery.trim(value)!='') {
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$js
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}
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";
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}
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return $js;
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}
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}
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