Class Validation

_checksource protected static

_check( string $check , string $regex )

Runs a regular expression match.

Parameters

string $check

Value to check against the $regex expression

string $regex

Regular expression

Returns

boolean
Success of match

_passsource protected static

_pass( string $method , mixed $check , string $classPrefix )

Attempts to pass unhandled Validation locales to a class starting with $classPrefix and ending with Validation. For example $classPrefix = 'nl', the class would be NlValidation.

Parameters

string $method

The method to call on the other class.

mixed $check

The value to check or an array of parameters for the method to be called.

string $classPrefix

The prefix for the class to do the validation.

Returns

mixed
Return of Passed method, false on failure

_populateIpsource protected static

_populateIp( )

Lazily populate the IP address patterns used for validations

_resetsource protected static

_reset( )

Reset internal variables for another validation run.

alphaNumericsource public static

alphaNumeric( string|array $check )

Checks that a string contains only integer or letters

Returns true if string contains only integer or letters

$check can be passed as an array: array('check' => 'valueToCheck');

Parameters

string|array $check

Value to check

Returns

boolean
Success

betweensource public static

between( string $check , integer $min , integer $max )

Alias of Validator::lengthBetween() for backwards compatibility.

Deprecated

Deprecated 2.6. Use Validator::lengthBetween() instead.

Parameters

string $check

Value to check for length

integer $min

Minimum value in range (inclusive)

integer $max

Maximum value in range (inclusive)

Returns

boolean
Success

See

Validator::lengthBetween()

blanksource public static

blank( string|array $check )

Returns true if field is left blank -OR- only whitespace characters are present in its value Whitespace characters include Space, Tab, Carriage Return, Newline

$check can be passed as an array: array('check' => 'valueToCheck');

Parameters

string|array $check

Value to check

Returns

boolean
Success

booleansource public static

boolean( string $check )

Boolean validation, determines if value passed is a boolean integer or true/false.

Parameters

string $check

a valid boolean

Returns

boolean
Success

ccsource public static

cc( string|array $check , string|array $type 'fast' , boolean $deep false , string $regex null )

Validation of credit card numbers. Returns true if $check is in the proper credit card format.

Parameters

string|array $check

credit card number to validate

string|array $type optional 'fast'

'all' may be passed as a sting, defaults to fast which checks format of most major credit cards if an array is used only the values of the array are checked. Example: array('amex', 'bankcard', 'maestro')

boolean $deep optional false

set to true this will check the Luhn algorithm of the credit card.

string $regex optional null

A custom regex can also be passed, this will be used instead of the defined regex values

Returns

boolean
Success

See

Validation::luhn()

comparisonsource public static

comparison( string|array $check1 , string $operator null , integer $check2 null )

Used to compare 2 numeric values.

Parameters

string|array $check1

if string is passed for a string must also be passed for $check2 used as an array it must be passed as array('check1' => value, 'operator' => 'value', 'check2' -> value)

string $operator optional null

Can be either a word or operand is greater >, is less <, greater or equal >= less or equal <=, is less <, equal to ==, not equal !=

integer $check2 optional null

only needed if $check1 is a string

Returns

boolean
Success

customsource public static

custom( string|array $check , string $regex null )

Used when a custom regular expression is needed.

Parameters

string|array $check

When used as a string, $regex must also be a valid regular expression. As and array: array('check' => value, 'regex' => 'valid regular expression')

string $regex optional null

If $check is passed as a string, $regex must also be set to valid regular expression

Returns

boolean
Success

datesource public static

date( string $check , string|array $format 'ymd' , string $regex null )

Date validation, determines if the string passed is a valid date. keys that expect full month, day and year will validate leap years.

Years are valid from 1800 to 2999.

Formats:

• dmy 27-12-2006 or 27-12-06 separators can be a space, period, dash, forward slash
• mdy 12-27-2006 or 12-27-06 separators can be a space, period, dash, forward slash
• ymd 2006-12-27 or 06-12-27 separators can be a space, period, dash, forward slash
• dMy 27 December 2006 or 27 Dec 2006
• Mdy December 27, 2006 or Dec 27, 2006 comma is optional
• My December 2006 or Dec 2006
• my 12/2006 or 12/06 separators can be a space, period, dash, forward slash
• ym 2006/12 or 06/12 separators can be a space, period, dash, forward slash
• y 2006 just the year without any separators

Parameters

string $check

a valid date string

string|array $format optional 'ymd'

Use a string or an array of the keys above. Arrays should be passed as array('dmy', 'mdy', etc)

string $regex optional null

If a custom regular expression is used this is the only validation that will occur.

Returns

boolean
Success

datetimesource public static

datetime( string $check , string|array $dateFormat 'ymd' , string $regex null )

Validates a datetime value

All values matching the "date" core validation rule, and the "time" one will be valid

Parameters

string $check

Value to check

string|array $dateFormat optional 'ymd'

Format of the date part. See Validation::date for more information.

string $regex optional null

Regex for the date part. If a custom regular expression is used this is the only validation that will occur.

Returns

boolean
True if the value is valid, false otherwise

See

Validation::date()
Validation::time()

decimalsource public static

decimal( float $check , integer $places null , string $regex null )

Checks that a value is a valid decimal. Both the sign and exponent are optional.

Valid Places:

• null => Any number of decimal places, including none. The '.' is not required.
• true => Any number of decimal places greater than 0, or a float|double. The '.' is required.
• 1..N => Exactly that many number of decimal places. The '.' is required.

Parameters

float $check

The value the test for decimal.

integer $places optional null

Decimal places.

string $regex optional null

If a custom regular expression is used, this is the only validation that will occur.

Returns

boolean
Success

emailsource public static

email( string $check , boolean $deep false , string $regex null )

Validates for an email address.

Only uses getmxrr() checking for deep validation if PHP 5.3.0+ is used, or any PHP version on a non-Windows distribution

Parameters

string $check

Value to check

boolean $deep optional false

Perform a deeper validation (if true), by also checking availability of host

string $regex optional null

Regex to use (if none it will use built in regex)

Returns

boolean
Success

equalTosource public static

equalTo( mixed $check , mixed $comparedTo )

Check that value is exactly $comparedTo.

Parameters

mixed $check

Value to check

mixed $comparedTo

Value to compare

Returns

boolean
Success

extensionsource public static

extension( string|array $check , array $extensions array('gif', 'jpeg', 'png', 'jpg') )

Check that value has a valid file extension.

Parameters

string|array $check

Value to check

array $extensions optional array('gif', 'jpeg', 'png', 'jpg')

file extensions to allow. By default extensions are 'gif', 'jpeg', 'png', 'jpg'

Returns

boolean
Success

fileSizesource public static

fileSize( string|array $check , string $operator null , integer|string $size null )

Checks the filesize

Parameters

string|array $check

Value to check.

string $operator optional null

See Validation::comparison().

integer|string $size optional null

Size in bytes or human readable string like '5MB'.

Returns

boolean
Success

inListsource public static

inList( string $check , array $list , boolean $caseInsensitive false )

Checks if a value is in a given list. Comparison is case sensitive by default.

Parameters

string $check

Value to check.

array $list

List to check against.

boolean $caseInsensitive optional false

Set to true for case insensitive comparison.

Returns

boolean
Success.

ipsource public static

ip( string $check , string $type 'both' )

Validation of an IP address.

Parameters

string $check

The string to test.

string $type optional 'both'

The IP Protocol version to validate against

Returns

boolean
Success

lengthBetweensource public static

lengthBetween( string $check , integer $min , integer $max )

Checks that a string length is within s specified range. Spaces are included in the character count. Returns true is string matches value min, max, or between min and max,

Parameters

string $check

Value to check for length

integer $min

Minimum value in range (inclusive)

integer $max

Maximum value in range (inclusive)

Returns

boolean
Success

luhnsource public static

luhn( string|array $check , boolean $deep false )

Luhn algorithm

Parameters

string|array $check

Value to check.

boolean $deep optional false

If true performs deep check.

Returns

boolean
Success

See

http://en.wikipedia.org/wiki/Luhn_algorithm

maxLengthsource public static

maxLength( string $check , integer $max )

Checks whether the length of a string is smaller or equal to a maximal length..

Parameters

string $check

The string to test

integer $max

The maximal string length

Returns

boolean
Success

mimeTypesource public static

mimeType( string|array $check , array|string $mimeTypes array() )

Checks the mime type of a file.

Parameters

string|array $check

Value to check.

array|string $mimeTypes optional array()

Array of mime types or regex pattern to check.

Returns

boolean
Success

Throws

CakeException
when mime type can not be determined.

minLengthsource public static

minLength( string $check , integer $min )

Checks whether the length of a string is greater or equal to a minimal length.

Parameters

string $check

The string to test

integer $min

The minimal string length

Returns

boolean
Success

moneysource public static

money( string $check , string $symbolPosition 'left' )

Checks that a value is a monetary amount.

Parameters

string $check

Value to check

string $symbolPosition optional 'left'

Where symbol is located (left/right)

Returns

boolean
Success

multiplesource public static

multiple( array $check , array $options array() , boolean $caseInsensitive false )

Validate a multiple select. Comparison is case sensitive by default.

Valid Options

• in => provide a list of choices that selections must be made from
• max => maximum number of non-zero choices that can be made
• min => minimum number of non-zero choices that can be made

Parameters

array $check

Value to check

array $options optional array()

Options for the check.

boolean $caseInsensitive optional false

Set to true for case insensitive comparison.

Returns

boolean
Success

naturalNumbersource public static

naturalNumber( string $check , boolean $allowZero false )

Checks if a value is a natural number.

Parameters

string $check

Value to check

boolean $allowZero optional false

Set true to allow zero, defaults to false

Returns

boolean
Success

See

http://en.wikipedia.org/wiki/Natural_number

notBlanksource public static

notBlank( string|array $check )

Checks that a string contains something other than whitespace

Returns true if string contains something other than whitespace

$check can be passed as an array: array('check' => 'valueToCheck');

Parameters

string|array $check

Value to check

Returns

boolean
Success

notEmptysource public static

notEmpty( string|array $check )

Backwards compatibility wrapper for Validation::notBlank().

Deprecated

2.7.0 Use Validation::notBlank() instead.

Parameters

string|array $check

Value to check.

Returns

boolean
Success.

See

Validation::notBlank()

numericsource public static

numeric( string $check )

Checks if a value is numeric.

Parameters

string $check

Value to check

Returns

boolean
Success

phonesource public static

phone( string|array $check , string $regex null , string $country 'all' )

Check that a value is a valid phone number.

Parameters

string|array $check

Value to check (string or array)

string $regex optional null

Regular expression to use

string $country optional 'all'

Country code (defaults to 'all')

Returns

boolean
Success

postalsource public static

postal( string|array $check , string $regex null , string $country 'us' )

Checks that a given value is a valid postal code.

Parameters

string|array $check

Value to check

string $regex optional null

Regular expression to use

string $country optional 'us'

Country to use for formatting

Returns

boolean
Success

rangesource public static

range( string $check , integer|float $lower null , integer|float $upper null )

Validate that a number is in specified range. if $lower and $upper are not set, will return true if $check is a legal finite on this platform

Parameters

string $check

Value to check

integer|float $lower optional null

Lower limit

integer|float $upper optional null

Upper limit

Returns

boolean
Success

ssnsource public static

ssn( string|array $check , string $regex null , string $country null )

Checks that a value is a valid Social Security Number.

Deprecated

Deprecated 2.6. Will be removed in 3.0.

Parameters

string|array $check

Value to check

string $regex optional null

Regular expression to use

string $country optional null

Country

Returns

boolean
Success

timesource public static

time( string $check )

Time validation, determines if the string passed is a valid time. Validates time as 24hr (HH:MM) or am/pm ([H]H:MM[a|p]m) Does not allow/validate seconds.

Parameters

string $check

a valid time string

Returns

boolean
Success

uploadErrorsource public static

uploadError( string|array $check )

Checking for upload errors

Parameters

string|array $check

Value to check.

Returns

boolean
bool

See

http://www.php.net/manual/en/features.file-upload.errors.php

urlsource public static

url( string $check , boolean $strict false )

Checks that a value is a valid URL according to http://www.w3.org/Addressing/URL/url-spec.txt

The regex checks for the following component parts:

• a valid, optional, scheme
• a valid ip address OR a valid domain name as defined by section 2.3.1 of http://www.ietf.org/rfc/rfc1035.txt with an optional port number
• an optional valid path
• an optional query string (get parameters)
• an optional fragment (anchor tag)

Parameters

string $check

Value to check

boolean $strict optional false

Require URL to be prefixed by a valid scheme (one of http(s)/ftp(s)/file/news/gopher)

Returns

boolean
Success

userDefinedsource public static

userDefined( string|array $check , object $object , string $method , array $args null )

Runs an user-defined validation.

Parameters

string|array $check

value that will be validated in user-defined methods.

object $object

class that holds validation method

string $method

class method name for validation to run

array $args optional null

arguments to send to method

Returns

mixed
user-defined class class method returns

uuidsource public static

uuid( string $check )

Checks that a value is a valid UUID - http://tools.ietf.org/html/rfc4122

Parameters

string $check

Value to check

Returns

boolean
Success

array(
    'hostname' => '(?:[_\p{L}0-9][-_\p{L}0-9]*\.)*(?:[\p{L}0-9][-\p{L}0-9]{0,62})\.(?:(?:[a-z]{2}\.)?[a-z]{2,})'
)

array()