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<?php |
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namespace DBAL\Modifiers; |
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class Modifier { |
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/** |
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* Set value to null if value is empty |
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* @param mixed $variable This should be the variable you are checking if it is empty |
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* @return mixed Returns either NULL or the original variable |
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*/ |
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public static function setNullOnEmpty($variable) { |
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if(empty(trim($variable))) { |
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return NULL; |
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} |
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return $variable; |
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} |
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/** |
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* Set value to 0 if value is empty |
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* @param mixed $variable This should be the variable you are checking if it is empty |
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* @return mixed Returns either 0 or the original variable |
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*/ |
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public static function setZeroOnEmpty($variable) { |
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if(empty(trim($variable)) || (is_numeric($variable) && floatval($variable) == 0)) { |
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return 0; |
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} |
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return $variable; |
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} |
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/** |
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* Checks to see if required filed have been filled in and are not empty |
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* @param mixed $variable This should be the variable you are checking |
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* @return boolean Will return true if not empty and contains at least minimum number of characters else returns false |
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*/ |
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public static function isRequiredString($variable, $minStringLength = 2) { |
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if(!empty(trim($variable)) && strlen(trim($variable)) >= $minStringLength) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Checks to see if the variable is numeric or not |
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* @param mixed $variable This should be the variable you are testing if it is a number or not |
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* @return boolean Returns true if numeric else returns false |
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*/ |
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public static function isRequiredNumeric($variable) { |
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if(!empty(trim($variable)) && is_numeric($variable)) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Checks to see if the variable is non numeric or not |
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* @param mixed $variable This should be the variable you are testing if it is a number or not |
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* @return boolean Returns true if non numeric else returns false |
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*/ |
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public static function isRequiredNonNumeric($variable) { |
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if(!empty(trim($variable)) && !is_numeric($variable)) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Remove anything that isn't a number from a string |
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* @param string $string This should be the string that you want to remove any none numerical characters from |
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* @return string The filtered string is returned |
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*/ |
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public static function removeNoneNumeric($string) { |
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return preg_replace("/[^0-9 ]+/", "", $string); |
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} |
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/** |
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* Removes anything that isn't in the alphabet A-Z |
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* @param string $string This should be the string that you want to remove all none alphabetical characters |
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* @return string The filtered string is returned |
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*/ |
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public static function removeNoneAlpha($string) { |
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return preg_replace("/[^a-zA-Z ]+/", "", $string); |
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} |
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/** |
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* Removes all non Alpha-numeric characters from a string |
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* @param string $string The string that you want to remove any non alpha-numerical characters from |
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* @return string The filtered string is returned |
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*/ |
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public static function removeNoneAlphaNumeric($string) { |
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return preg_replace("/[^a-zA-Z0-9 ]+/", "", $string); |
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} |
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/** |
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* Checks to see if array contains all of the required fields and are not empty |
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* @param array $mustContain an array of the values that must be included in the array |
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* @param array $valueArray The array you are checking for the values |
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* @return boolean If all of the fields exist and are not empty will return true else returns false |
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*/ |
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public static function arrayMustContainFields($mustContain, $valueArray) { |
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if(is_array($mustContain) && is_array($valueArray)){ |
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foreach($mustContain as $essential){ |
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if(!array_key_exists($essential, $valueArray) || !self::isRequiredString($valueArray[$essential])){ |
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return false; |
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} |
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} |
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return true; |
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} |
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return false; |
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} |
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} |