# Class AlphaValidator

Generic validation class used throughout the Alpha Framework

Package: alpha::util::helpers
Copyright: Copyright (c) 2012, John Collins (founder of Alpha Framework). All rights reserved.

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License: The BSD License
Author: John Collins <dev@alphaframework.org>
Version: $Id: AlphaValidator.inc 1758 2014-04-09 22:59:52Z alphadevx $
Since: 1.0
Located at util/helpers/AlphaValidator.inc

Methods summary
`public static boolean` | # `isInteger( mixed $value )` Validate that the provided value is a valid integer Validate that the provided value is a valid integer #### Parameters $value `mixed` $value #### Returns `boolean` #### Since 1.0
`public static boolean` | # `isDouble( mixed $value )` Validate that the provided value is a valid double Validate that the provided value is a valid double #### Parameters $value `mixed` $value #### Returns `boolean` #### Since 1.0
`public static boolean` | # `isBoolean( mixed $value )` Validate that the provided value is a valid boolean (will accept 1 or 0 as valid booleans) Validate that the provided value is a valid boolean (will accept 1 or 0 as valid booleans) #### Parameters $value `mixed` $value #### Returns `boolean` #### Since 1.0
`public static boolean` | # `isAlpha( mixed $value )` Validate that the provided value is a valid alphabetic string (strictly a-zA-Z) Validate that the provided value is a valid alphabetic string (strictly a-zA-Z) #### Parameters $value `mixed` $value #### Returns `boolean` #### Since 1.0
`public static boolean` | # `isAlphaNum( mixed $value )` Validate that the provided value is a valid alpha-numeric string (strictly a-zA-Z0-9) Validate that the provided value is a valid alpha-numeric string (strictly a-zA-Z0-9) #### Parameters $value `mixed` $value #### Returns `boolean` #### Since 1.0
`public static boolean` | # `isSequence( mixed $value )` Validate that the provided value is a valid Sequence string ([A-Z]-[0-9]) Validate that the provided value is a valid Sequence string ([A-Z]-[0-9]) #### Parameters $value `mixed` $value #### Returns `boolean` #### Since 1.0
`public static boolean` | # `isURL( mixed $url )` Validate that the provided value is a valid URL Validate that the provided value is a valid URL #### Parameters $url `mixed` $value #### Returns `boolean` #### Since 1.0
`public static boolean` | # `isIP( mixed $ip )` Validate that the provided value is a valid IP address Validate that the provided value is a valid IP address #### Parameters $ip `mixed` $value #### Returns `boolean` #### Since 1.0
`public static boolean` | # `isEmail( mixed $email )` Validate that the provided value is a valid email address Validate that the provided value is a valid email address #### Parameters $email `mixed` $value #### Returns `boolean` #### Since 1.0
`public static boolean` | # `isBase64( mixed $value )` Validate that the provided value is base64 encoded (best guess by regex) Validate that the provided value is base64 encoded (best guess by regex) #### Parameters $value `mixed` $value #### Returns `boolean` #### Since 1.2.2

Constants summary
`string` | `ALLOW_ALL` | `'/.*/i'` | # Allows any kind of input, including blanks Allows any kind of input, including blanks #### Since 1.0
`string` | `REQUIRED_DOUBLE` | `'/^-{0,1}[0-9\.]+$/'` | # Required double value Required double value #### Since 1.0
`string` | `REQUIRED_INTEGER` | `'/^-{0,1}[0-9]*$/'` | # Required integer value Required integer value #### Since 1.0
`string` | `REQUIRED_TEXT` | `'/^[\S]{1}.{0,65535}$/'` | # Required text value, accepts a maximum of 65536 characters Required text value, accepts a maximum of 65536 characters #### Since 1.0
`string` | `REQUIRED_STRING` | `'/^[\S]{1}.{0,254}$/'` | # Required string value, accepts a maximum of 255 characters Required string value, accepts a maximum of 255 characters #### Since 1.0
`string` | `REQUIRED_ALPHA` | `'/^[a-zA-Z]+$/'` | # Required alphabet string Required alphabet string #### Since 1.0
`string` | `REQUIRED_ALPHA_UPPER` | `'/^[A-Z]+$/'` | # Required uppercase alphabet string Required uppercase alphabet string #### Since 1.0
`string` | `REQUIRED_ALPHA_NUMBEIC` | `'/^[a-zA-Z0-9]+$/'` | # Required alpha-numeric string Required alpha-numeric string #### Since 1.0
`string` | `REQUIRED_HTTP_URL` | `'/^(http:\/\/.*)$/i'` | # Required HTTP URL value Required HTTP URL value #### Since 1.0
`string` | `OPTIONAL_HTTP_URL` | `'/http.*|^$/i'` | # Optional HTTP URL value Optional HTTP URL value #### Since 1.0
`string` | `REQUIRED_IP` | `'/^(((([1-9])|([1-9][\d])|(1[\d]{2})|(2[0-4][\d])|(25[0-4]))(\.(([\d])|([1-9][\d])|(1[\d]{2})|(2[0-4][\d])|(25[0-4]))){3})|(0(\.0){3}))$/'` | # Required IP address value Required IP address value #### Since 1.0
`string` | `REQUIRED_EMAIL` | `'/^[-_.a-zA-Z0-9]+@((([a-zA-Z0-9]|[-_.a-zA-Z0-9]*[a-zA-Z0-9])\.)+(ad|ae|aero|af|ag|ai|al|am|an|ao|aq|ar|arpa|as|at|au|aw|az|ba|bb|bd|be|bf|bg|bh|bi|biz|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|com|coop|cr|cs|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|edu|ee|eg|eh|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gh|gi|gl|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|in|info|int|io|iq|ir|is|it|jm|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|mg|mh|mil|mk|ml|mm|mn|mo|mp|mq|mr|ms|mt|mu|museum|mv|mw|mx|my|mz|na|name|nc|ne|net|nf|ng|ni|nl|no|np|nr|nt|nu|nz|om|org|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|pro|ps|pt|pw|py|qa|re|ro|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sy|sz|tc|td|tf|tg|th|tj|tk|tm|tn|to|tp|tr|tt|tv|tw|tz|ua|ug|uk|um|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|yu|za|zm|zw)|(([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5])\.){3}([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5]))$/i'` | # Required email address value Required email address value #### Since 1.0
`string` | `REQUIRED_USERNAME` | `'/^[-_\.a-zA-Z0-9]+$/'` | # Required username (allows a-z A-Z 0-9 and -_. characters) Required username (allows a-z A-Z 0-9 and -_. characters) #### Since 1.0
`string` | `REQUIRED_SEQUENCE` | `'/^[A-Z]*-[0-9]*$/'` | # Required sequence value Required sequence value #### Since 1.0