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Long Term Support Release
Differences Between: [Versions 310 and 401] [Versions 39 and 401]
1 <?php 2 3 namespace Box\Spout\Common\Helper; 4 5 /** 6 * Class CellTypeHelper 7 * This class provides helper functions to determine the type of the cell value 8 */ 9 class CellTypeHelper 10 { 11 /** 12 * @param $value 13 * @return bool Whether the given value is considered "empty" 14 */ 15 public static function isEmpty($value) 16 { 17 return ($value === null || $value === ''); 18 } 19 20 /** 21 * @param $value 22 * @return bool Whether the given value is a non empty string 23 */ 24 public static function isNonEmptyString($value) 25 { 26 return (\gettype($value) === 'string' && $value !== ''); 27 } 28 29 /** 30 * Returns whether the given value is numeric. 31 * A numeric value is from type "integer" or "double" ("float" is not returned by gettype). 32 * 33 * @param $value 34 * @return bool Whether the given value is numeric 35 */ 36 public static function isNumeric($value) 37 { 38 $valueType = \gettype($value); 39 40 return ($valueType === 'integer' || $valueType === 'double'); 41 } 42 43 /** 44 * Returns whether the given value is boolean. 45 * "true"/"false" and 0/1 are not booleans. 46 * 47 * @param $value 48 * @return bool Whether the given value is boolean 49 */ 50 public static function isBoolean($value) 51 { 52 return \gettype($value) === 'boolean'; 53 } 54 55 /** 56 * Returns whether the given value is a DateTime or DateInterval object. 57 * 58 * @param $value 59 * @return bool Whether the given value is a DateTime or DateInterval object 60 */ 61 public static function isDateTimeOrDateInterval($value) 62 { 63 return ( 64 $value instanceof \DateTime || 65 $value instanceof \DateInterval 66 ); 67 } 68 }
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