本文整理汇总了PHP中qtism\common\utils\Format::isFloat方法的典型用法代码示例。如果您正苦于以下问题：PHP Format::isFloat方法的具体用法？PHP Format::isFloat怎么用？PHP Format::isFloat使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qtism\common\utils\Format的用法示例。
在下文中一共展示了Format::isFloat方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: unmarshall
/**
* Unmarshall a DOMElement object corresponding to a QTI weight element.
*
* @param DOMElement $element A DOMElement object.
* @return QtiComponent A Weight object.
* @throws UnmarshallingException If the mandatory attributes 'identifier' or 'value' are missing from $element but also if 'value' cannot be converted to a float value or 'identifier' is not a valid QTI Identifier.
*/
protected function unmarshall(DOMElement $element)
{
// identifier is a mandatory value.
if (($identifier = static::getDOMElementAttributeAs($element, 'identifier', 'string')) !== null) {
if (($value = static::getDOMElementAttributeAs($element, 'value', 'string')) !== null) {
if (Format::isFloat($value)) {
try {
$object = new Weight($identifier, floatval($value));
return $object;
} catch (InvalidArgumentException $e) {
$msg = "The value of 'identifier' from element '" . $element->localName . "' is not a valid QTI Identifier.";
throw new UnmarshallingException($msg, $element, $e);
}
} else {
$msg = "The value of attribute 'value' from element '" . $element->localName . "' cannot be converted into a float.";
throw new UnmarshallingException($msg, $element);
}
} else {
$msg = "The mandatory attribute 'value' is missing from element '" . $element->localName . "'.";
throw new UnmarshallingException($msg, $element);
}
} else {
$msg = "The mandatory attribute 'identifier' is missing from element '" . $element->localName . "'.";
throw new UnmarshallingException($msg, $element);
}
}示例2: unmarshallChildrenKnown
/**
* @see \qtism\data\storage\xml\marshalling\OperatorMarshaller::unmarshallChildrenKnown()
*/
protected function unmarshallChildrenKnown(DOMElement $element, QtiComponentCollection $children)
{
$object = new Equal($children);
if (($toleranceMode = static::getDOMElementAttributeAs($element, 'toleranceMode')) !== null) {
$toleranceMode = ToleranceMode::getConstantByName($toleranceMode);
$object->setToleranceMode($toleranceMode);
}
if (($tolerance = static::getDOMElementAttributeAs($element, 'tolerance')) !== null) {
$tolerance = explode(" ", $tolerance);
if (count($tolerance) < 1) {
$msg = "No 'tolerance' could be extracted from element '" . $element->localName . "'.";
throw new UnmarshallingException($msg, $element);
} elseif (count($tolerance) > 2) {
$msg = "'tolerance' attribute not correctly formatted in element '" . $element->localName . "'.";
throw new UnmarshallingException($msg, $element);
} else {
$finalTolerance = array();
foreach ($tolerance as $t) {
$finalTolerance[] = Format::isFloat($t) ? floatval($t) : $t;
}
$object->setTolerance($finalTolerance);
}
}
if (($includeLowerBound = static::getDOMElementAttributeAs($element, 'includeLowerBound', 'boolean')) !== null) {
$object->setIncludeLowerBound($includeLowerBound);
}
if (($includeUpperBound = static::getDOMElementAttributeAs($element, 'includeUpperBound', 'boolean')) !== null) {
$object->setIncludeUpperBound($includeUpperBound);
}
return $object;
}示例3: stringToDatatype
/**
* Transform a string representing a QTI valueType value in a
* the correct datatype.
*
* @param string $string The QTI valueType value as a string.
* @param integer $baseType The QTI baseType that defines the datatype of $string.
* @return mixed A converted object/primitive type.
* @throws \InvalidArgumentException If $baseType is not a value from the BaseType enumeration.
* @throws \UnexpectedValueException If $string cannot be transformed in a Value expression with the given $baseType.
*/
public static function stringToDatatype($string, $baseType)
{
if (in_array($baseType, BaseType::asArray())) {
$value = null;
switch ($baseType) {
case BaseType::BOOLEAN:
if (Format::isBoolean($string)) {
$value = Format::toLowerTrim($string) == 'true' ? true : false;
return $value;
} else {
$msg = "'{$string}' cannot be transformed into boolean.";
throw new UnexpectedValueException($msg);
}
break;
case BaseType::INTEGER:
if (Format::isInteger($string)) {
$value = intval($string);
return $value;
} else {
$msg = "'{$string}' cannot be transformed into integer.";
throw new UnexpectedValueException($msg);
}
break;
case BaseType::FLOAT:
if (Format::isFloat($string)) {
$value = floatval($string);
return $value;
} else {
$msg = "'{$string}' cannot be transformed into float.";
throw new UnexpectedValueException($msg);
}
break;
case BaseType::URI:
if (Format::isUri($string)) {
return $string;
} else {
$msg = "'{$string}' is not a valid URI.";
throw new UnexpectedValueException($msg);
}
break;
case BaseType::IDENTIFIER:
if (Format::isIdentifier($string)) {
return $string;
} else {
$msg = "'{$string}' is not a valid QTI Identifier.";
throw new UnexpectedValueException($msg);
}
break;
case BaseType::INT_OR_IDENTIFIER:
if (Format::isIdentifier($string)) {
return $string;
} elseif (Format::isInteger($string)) {
return intval($string);
} else {
$msg = "'{$string}' is not a valid QTI Identifier nor a valid integer.";
throw new UnexpectedValueException($msg);
}
break;
case BaseType::PAIR:
if (Format::isPair($string)) {
$pair = explode(" ", $string);
return new Pair($pair[0], $pair[1]);
} else {
$msg = "'{$string}' is not a valid pair.";
throw new UnexpectedValueException($msg);
}
break;
case BaseType::DIRECTED_PAIR:
if (Format::isDirectedPair($string)) {
$pair = explode(" ", $string);
return new DirectedPair($pair[0], $pair[1]);
} else {
$msg = "'{$string}' is not a valid directed pair.";
throw new UnexpectedValueException($msg);
}
break;
case BaseType::DURATION:
if (Format::isDuration($string)) {
return new Duration($string);
} else {
$msg = "'{$string}' is not a valid duration.";
throw new UnexpectedValueException($msg);
}
break;
case BaseType::FILE:
throw new \RuntimeException("Unsupported baseType: file.");
break;
case BaseType::STRING:
return '' . $string;
break;
//.........这里部分代码省略.........