Learning yii2.0 Framework Read code (eight)

Vendor/yiisoft/yii2/base/model.php (continued)

    /** * Set attribute value * @param array $values attribute values (name = value) to being assigned to the model.     * @param Boolean $safeOnly whether the assignments should only is done to the safe attributes.     * A security attribute is associated with a validation rule in the current [[case]]. * @see safeattributes () * @see attributes ()*/     Public functionSetAttributes ($values,$safeOnly=true)    {        //must be a number of groups        if(Is_array($values)) {            //array_flip-Exchange The keys and values in the array//put the attributes on the key//the properties in the default fetch safeattributes            $attributes=Array_flip($safeOnly?$this->safeattributes ():$this-attributes ()); foreach($values  as $name=$value) {                if(isset($attributes[$name])) {                    //If the attribute is present, the value is directly assigned                    $this-$name=$value; } ElseIf($safeOnly) {                    //If it doesn't exist, and it's safeonly, trigger the Onunsafeattribute method.                    $this->onunsafeattribute ($name,$value); }            }        }    }    /** * This method was invoked when a unsafe attribute is being massively assigned.     * The default implementation would log a warning message if Yii_debug is on.     * It does nothing otherwise. * @param string $name The unsafe attribute name * @param mixed $value the attribute value*/     Public functionOnunsafeattribute ($name,$value)    {        if(yii_debug) {//if it is a debug state, the unsafe properties that are not successfully set will be hit log recordYii::trace ("Failed to set unsafe attribute"$name' In '.Get_class($this) . "‘.",__method__); }    }    /** * Returns The scenario that this model was used in.     * * Scenario affects how validation are performed and which attributes can * be massively assigned. * * @return String the scenario.     Defaults to [[Scenario_default]]. */     Public functionGetscenario () {//get the current scene        return $this-_scenario; }    /** * Sets the scenario for the model.     * Note that this method does not a check if the scenario exists or not.     * the method [[Validate ()]] would perform this check.     * @param string $value the scenario. */     Public functionSetscenario ($value)    {        //set the current scene        $this->_scenario =$value; }    /** * Returns the attribute names that is safe to being massively assigned in the current scenario. * @return string[] Safe attribute names*/     Public functionsafeattributes () {//get the current scene        $scenario=$this-Getscenario (); //get all scenes and their properties        $scenarios=$this-scenarios (); if(!isset($scenarios[$scenario])) {            //The scene does not exist, it returns an empty            return []; }        $attributes= []; foreach($scenarios[$scenario] as $attribute) {            //will start not! Attribute will be put into safeattributes, that is! Properties that begin with are not placed in Safeattributes            if($attribute[0]!== '! ') {                $attributes[] =$attribute; }        }        return $attributes; }    /** * Returns the attribute names that is subject to validation on the current scenario. * @return string[] Safe attribute names*/     Public functionactiveattributes () {//Ibid .        $scenario=$this-Getscenario (); $scenarios=$this-scenarios (); if(!isset($scenarios[$scenario])) {            return []; }        //get all the properties in the current scene        $attributes=$scenarios[$scenario]; foreach($attributes  as $i=$attribute) {            //If the property name is! Start, just put it! Intercept//! The property begins with the rules, Plus! The ability to make rules (that is, validator) effective, but not to appear in Safeattributes            if($attribute[0] = = = '! ') {                $attributes[$i] =substr($attribute, 1); }        }        return $attributes; }    /** * Populates the model with the data from end user.     * The data to being loaded is ' $data [FormName] ', where ' formName ' refers to the value of [[FormName ()]].     * If [[FormName ()]] is empty, the whole ' $data ' array would be used to populate the model.     * The data being populated is subject to the safety check by [[SetAttributes ()]]. * Load the data into the model where * @param array $data the data array.     This was usually ' $_post ' or ' $_get ', but can also was any valid array * supplied by end user.     * @param string $formName The form name to being used for loading the data into the model.     * If not set, [[FormName ()]] would be used.     * @return Boolean whether the model is successfully populated with some data. */     Public functionLoad$data,$formName=NULL)    {        //If there is a yii form, use the form, or you will get the name of the class (without namespace)        $scope=$formName===NULL?$this->formname ():$formName; if($scope= = = ' &&!Empty($data)) {            //If the $scope is an empty string and the $data is not empty, the property is set//is $formName an empty string, and $data is not empty            $this->setattributes ($data); return true; } ElseIf(isset($data[$scope])) {            //Otherwise, there must be $data [$scope], using $data [$scope] To set the property            $this->setattributes ($data[$scope]); return true; } Else {            return false; }    }    /** * Populates a set of models with the data from end user.     * Load the data into the collection of the model where * This method is mainly used to collect tabular data input. * The data to was loaded for each model was ' $data [Formname][index] ', where ' formName ' * refers to the value of [[Formna     Me ()]], and ' index ' the index of the model in the ' $models ' array.     * If [[FormName ()]] is empty, ' $data [index] ' would be used to populate each model.     * The data being populated to each model are subject to the safety check by [[SetAttributes ()]]. * @param array $models the models to be populated.     Note that all models should has the same class. * @param array $data the data array.     This was usually ' $_post ' or ' $_get ', but can also was any valid array * supplied by end user.     * @param string $formName The form name to being used for loading the data into the models.     * If not set, it would use the [[[FormName ()]] value of the first model in ' $models '. * This parameter is available since VersiOn 2.0.1.      * @return Boolean whether at least one of the models is successfully populated.*/     Public Static functionLoadmultiple ($models,$data,$formName=NULL)    {        if($formName===NULL) {            /*@var $first Model*/            //reset-The inner pointer of an array to the first cell            $first=Reset($models); if($first===false) {                //return False if not present                return false; }            //get the name of the class (excluding namespace)            $formName=$first-FormName (); }        $success=false; //traverse $models, load data        foreach($models  as $i=$model) {            /*@var $model Model*/            if($formName= = "') {                if(!Empty($data[$i])) {                    //data is not empty, load into the corresponding model                    $model->load ($data[$i], ‘‘); $success=true; }            } ElseIf(!Empty($data[$formName][$i])) {                //$formName is present and the data is not empty, load into the corresponding model                $model->load ($data[$formName][$i], ‘‘); $success=true; }        }        return $success; }

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Learning yii2.0 Framework Read code (eight)