Class yii\validators\ImageValidator

Inheritance	yii\validators\ImageValidator » yii\validators\FileValidator » yii\validators\Validator » yii\base\Component » yii\base\Object
Implements	yii\base\Configurable
Available since version	2.0
Source Code	https://github.com/yiisoft/yii2/blob/master/framework/validators/ImageValidator.php

ImageValidator verifies if an attribute is receiving a valid image.

Public Properties

Property	Type	Description	Defined By
$attributeNames	array	Attribute names.	yii\validators\Validator
$attributes	array|string	Attributes to be validated by this validator.	yii\validators\Validator
$behaviors	yii\base\Behavior[]	List of behaviors attached to this component	yii\base\Component
$builtInValidators	array	List of built-in validators (name => class or configuration)	yii\validators\Validator
$checkExtensionByMimeType	boolean	Whether to check file type (extension) with mime-type.	yii\validators\FileValidator
$enableClientValidation	boolean	Whether to enable client-side validation for this validator.	yii\validators\Validator
$except	array|string	Scenarios that the validator should not be applied to.	yii\validators\Validator
$extensions	array|string	A list of file name extensions that are allowed to be uploaded.	yii\validators\FileValidator
$isEmpty	callable	A PHP callable that replaces the default implementation of isEmpty().	yii\validators\Validator
$maxFiles	integer	The maximum file count the given attribute can hold.	yii\validators\FileValidator
$maxHeight	integer	The maximum width in pixels.	yii\validators\ImageValidator
$maxSize	integer	The maximum number of bytes required for the uploaded file.	yii\validators\FileValidator
$maxWidth	integer	The maximum width in pixels.	yii\validators\ImageValidator
$message	string	The error message used when a file is not uploaded correctly.	yii\validators\FileValidator
$mimeTypes	array|string	A list of file MIME types that are allowed to be uploaded.	yii\validators\FileValidator
$minHeight	integer	The minimum height in pixels.	yii\validators\ImageValidator
$minSize	integer	The minimum number of bytes required for the uploaded file.	yii\validators\FileValidator
$minWidth	integer	The minimum width in pixels.	yii\validators\ImageValidator
$notImage	string	The error message used when the uploaded file is not an image.	yii\validators\ImageValidator
$on	array|string	Scenarios that the validator can be applied to.	yii\validators\Validator
$overHeight	string	The error message used when the image is over $maxHeight.	yii\validators\ImageValidator
$overWidth	string	The error message used when the image is over $maxWidth.	yii\validators\ImageValidator
$sizeLimit	integer	The size limit for uploaded files.	yii\validators\FileValidator
$skipOnEmpty	boolean	Whether this validation rule should be skipped if the attribute value is null or an empty string.	yii\validators\Validator
$skipOnError	boolean	Whether this validation rule should be skipped if the attribute being validated already has some validation error according to some previous rules.	yii\validators\Validator
$tooBig	string	The error message used when the uploaded file is too large.	yii\validators\FileValidator
$tooMany	string	The error message used if the count of multiple uploads exceeds limit.	yii\validators\FileValidator
$tooSmall	string	The error message used when the uploaded file is too small.	yii\validators\FileValidator
$underHeight	string	The error message used when the image is under $minHeight.	yii\validators\ImageValidator
$underWidth	string	The error message used when the image is under $minWidth.	yii\validators\ImageValidator
$uploadRequired	string	The error message used when no file is uploaded.	yii\validators\FileValidator
$when	callable	A PHP callable whose return value determines whether this validator should be applied.	yii\validators\Validator
$whenClient	string	A JavaScript function name whose return value determines whether this validator should be applied on the client-side.	yii\validators\Validator
$wrongExtension	string	The error message used when the uploaded file has an extension name that is not listed in $extensions.	yii\validators\FileValidator
$wrongMimeType	string	The error message used when the file has an mime type that is not allowed by $mimeTypes property.	yii\validators\FileValidator

Public Methods

Method	Description	Defined By
__call()	Calls the named method which is not a class method.	yii\base\Component
__clone()	This method is called after the object is created by cloning an existing one.	yii\base\Component
__construct()	Constructor.	yii\base\Object
__get()	Returns the value of a component property.	yii\base\Component
__isset()	Checks if a property is set, i.e. defined and not null.	yii\base\Component
__set()	Sets the value of a component property.	yii\base\Component
__unset()	Sets a component property to be null.	yii\base\Component
addError()	Adds an error about the specified attribute to the model object.	yii\validators\Validator
attachBehavior()	Attaches a behavior to this component.	yii\base\Component
attachBehaviors()	Attaches a list of behaviors to the component.	yii\base\Component
behaviors()	Returns a list of behaviors that this component should behave as.	yii\base\Component
canGetProperty()	Returns a value indicating whether a property can be read.	yii\base\Component
canSetProperty()	Returns a value indicating whether a property can be set.	yii\base\Component
className()	Returns the fully qualified name of this class.	yii\base\Object
clientValidateAttribute()	Returns the JavaScript needed for performing client-side validation.	yii\validators\ImageValidator
createValidator()	Creates a validator object.	yii\validators\Validator
detachBehavior()	Detaches a behavior from the component.	yii\base\Component
detachBehaviors()	Detaches all behaviors from the component.	yii\base\Component
ensureBehaviors()	Makes sure that the behaviors declared in behaviors() are attached to this component.	yii\base\Component
getAttributeNames()	Returns cleaned attribute names without the ! character at the beginning	yii\validators\Validator
getBehavior()	Returns the named behavior object.	yii\base\Component
getBehaviors()	Returns all behaviors attached to this component.	yii\base\Component
getClientOptions()	Returns the client-side validation options.	yii\validators\ImageValidator
getSizeLimit()	Returns the maximum size allowed for uploaded files.	yii\validators\FileValidator
hasEventHandlers()	Returns a value indicating whether there is any handler attached to the named event.	yii\base\Component
hasMethod()	Returns a value indicating whether a method is defined.	yii\base\Component
hasProperty()	Returns a value indicating whether a property is defined for this component.	yii\base\Component
init()	Initializes the object.	yii\validators\ImageValidator
isActive()	Returns a value indicating whether the validator is active for the given scenario and attribute.	yii\validators\Validator
isEmpty()	Checks if the given value is empty.	yii\validators\FileValidator
off()	Detaches an existing event handler from this component.	yii\base\Component
on()	Attaches an event handler to an event.	yii\base\Component
trigger()	Triggers an event.	yii\base\Component
validate()	Validates a given value.	yii\validators\Validator
validateAttribute()	Validates a single attribute.	yii\validators\FileValidator
validateAttributes()	Validates the specified object.	yii\validators\Validator

Protected Methods

Method	Description	Defined By
formatMessage()	Formats a mesage using the I18N, or simple strtr if \Yii::$app is not available.	yii\validators\Validator
validateExtension()	Checks if given uploaded file have correct type (extension) according current validator settings.	yii\validators\FileValidator
validateImage()	Validates an image file.	yii\validators\ImageValidator
validateMimeType()	Checks the mimeType of the $file against the list in the $mimeTypes property	yii\validators\FileValidator
validateValue()	Validates a value.	yii\validators\ImageValidator

Property Details

$maxHeight public property

The maximum width in pixels. Defaults to null, meaning no limit.

See also $overWidth for the customized message used when image height is too big.

public integer $maxHeight = null

$maxWidth public property

The maximum width in pixels. Defaults to null, meaning no limit.

See also $overWidth for the customized message used when image width is too big.

public integer $maxWidth = null

$minHeight public property

The minimum height in pixels. Defaults to null, meaning no limit.

See also $underHeight for the customized message used when image height is too small.

public integer $minHeight = null

$minWidth public property

The minimum width in pixels. Defaults to null, meaning no limit.

See also $underWidth for the customized message used when image width is too small.

public integer $minWidth = null

$notImage public property

The error message used when the uploaded file is not an image. You may use the following tokens in the message:

• {attribute}: the attribute name
• {file}: the uploaded file name

public string $notImage = null

$overHeight public property

The error message used when the image is over $maxHeight. You may use the following tokens in the message:

• {attribute}: the attribute name
• {file}: the uploaded file name
• {limit}: the value of $maxHeight

public string $overHeight = null

$overWidth public property

The error message used when the image is over $maxWidth. You may use the following tokens in the message:

• {attribute}: the attribute name
• {file}: the uploaded file name
• {limit}: the value of $maxWidth

public string $overWidth = null

$underHeight public property

The error message used when the image is under $minHeight. You may use the following tokens in the message:

• {attribute}: the attribute name
• {file}: the uploaded file name
• {limit}: the value of $minHeight

public string $underHeight = null

$underWidth public property

The error message used when the image is under $minWidth. You may use the following tokens in the message:

• {attribute}: the attribute name
• {file}: the uploaded file name
• {limit}: the value of $minWidth

public string $underWidth = null

Method Details