<?php
namespace Box\Spout\Common\Helper;
/**
* Class CellTypeHelper
* This class provides helper functions to determine the type of the cell value
*/
class CellTypeHelper
{
/**
* @param $value
* @return bool Whether the given value is considered "empty"
*/
public static function isEmpty($value)
{
return ($value === null || $value === '');
}
/**
* @param $value
* @return bool Whether the given value is a non empty string
*/
public static function isNonEmptyString($value)
{
< return (gettype($value) === 'string' && $value !== '');
> return (\gettype($value) === 'string' && $value !== '');
}
/**
* Returns whether the given value is numeric.
* A numeric value is from type "integer" or "double" ("float" is not returned by gettype).
*
* @param $value
* @return bool Whether the given value is numeric
*/
public static function isNumeric($value)
{
< $valueType = gettype($value);
> $valueType = \gettype($value);
return ($valueType === 'integer' || $valueType === 'double');
}
/**
* Returns whether the given value is boolean.
* "true"/"false" and 0/1 are not booleans.
*
* @param $value
* @return bool Whether the given value is boolean
*/
public static function isBoolean($value)
{
< return gettype($value) === 'boolean';
> return \gettype($value) === 'boolean';
}
/**
* Returns whether the given value is a DateTime or DateInterval object.
*
* @param $value
* @return bool Whether the given value is a DateTime or DateInterval object
*/
public static function isDateTimeOrDateInterval($value)
{
return (
$value instanceof \DateTime ||
$value instanceof \DateInterval
);
}
}