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<?php
namespace Cleantalk\Common;
class Validate
{
/**
* Runs validation for input parameter
*
* Now contains filters: hash
*
* @param mixed $variable Input to validate
* @param string $filter_name Validation filter name
*
* @return bool
*/
public static function validate($variable, $filter_name)
{
switch ( $filter_name ) {
case 'hash':
return static::isHash($variable);
case 'int':
return static::isInt($variable);
case 'float':
return static::isFloat($variable);
case 'word':
return static::isWord($variable);
case 'isUrl':
return static::isUrl($variable);
}
return false;
}
/**
* Simple method: validate hash
*/
public static function isHash($variable)
{
return preg_match('#^[a-zA-Z0-9]{8,128}$#', $variable) === 1;
}
/**
* Simple method: validate int
*/
public static function isInt($variable)
{
return preg_match('#^\d+$#', $variable) === 1;
}
/**
* Simple method: validate float
*/
public static function isFloat($variable)
{
return preg_match('#^[\d.]+\d+$#', $variable) === 1;
}
/**
* Simple method: validate word
*/
public static function isWord($variable)
{
return preg_match('#^[a-zA-Z0-9_.\-,]+$#', $variable);
}
/**
* Simple method: validate email
*/
public static function isEmail($variable)
{
// TODO
}
/**
* Simple method: validate file path (not exists)
*/
public static function isValidFilePath($variable)
{
// TODO
}
public static function isUrl($url)
{
return ( strpos($url, 'http://') !== false || strpos($url, 'https://') !== false ) &&
filter_var($url, FILTER_VALIDATE_URL);
}
/**
* Checks if given string is valid regular expression
*
* @param string $regexp
*
* @return bool
*/
public static function isRegexp($regexp)
{
return @preg_match('/' . $regexp . '/', '') !== false;
}
/**
* Check if the string is encoded by urlencode()
*
* @param $value
*
* @return bool
*/
public static function isUrlencoded($value)
{
return urlencode(urldecode($value)) === $value;
}
}