| 1 |
<?php |
| 2 |
class WCUtils |
| 3 |
{ |
| 4 |
static function is_blank($val, $strict=false){ |
| 5 |
|
| 6 |
if ( !is_scalar($val) && NULL != $val ){ |
| 7 |
trigger_error("Value is not a scalar", E_USER_NOTICE); |
| 8 |
return true; |
| 9 |
} |
| 10 |
|
| 11 |
if($strict) |
| 12 |
$val = preg_replace("/ /", "", $val); |
| 13 |
|
| 14 |
$val = trim($val); |
| 15 |
if ( strlen($val) > 0 ) |
| 16 |
return false; |
| 17 |
else |
| 18 |
return true; |
| 19 |
} |
| 20 |
|
| 21 |
static function is_zero($val){ |
| 22 |
|
| 23 |
if ( !is_scalar($val) && NULL != $val ){ |
| 24 |
trigger_error("Value is not a scalar", E_USER_NOTICE); |
| 25 |
return false; |
| 26 |
} |
| 27 |
|
| 28 |
$val = trim($val); |
| 29 |
if( !WCUtils::is_blank($val) && is_numeric($val) && 1 === strlen($val) && 0 === (int)$val ) |
| 30 |
return true; |
| 31 |
else |
| 32 |
return false; |
| 33 |
} |
| 34 |
} |
| 35 |
?> |
