ReflectionParameter::getDefaultValue
Gets default parameter value
&reftitle.description;
public mixedReflectionParameter::getDefaultValue
Gets the default value of the parameter for any user-defined or internal function or method.
If the parameter is not optional a ReflectionException
will be thrown.
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&no.function.parameters;
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The parameters default value.
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&Version;
&Description;
8.0.0
This method now allows getting the default value of parameters of built-in functions and
built-in class methods. Previously, a ReflectionException was thrown.
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Getting default values of function parameters
getParameters() as $param) {
echo 'Name: ' . $param->getName() . PHP_EOL;
if ($param->isOptional()) {
echo 'Default value: ' . $param->getDefaultValue() . PHP_EOL;
}
echo PHP_EOL;
}
?>
]]>
&example.outputs;
&reftitle.seealso;
ReflectionParameter::isOptional
ReflectionParameter::isDefaultValueAvailable
ReflectionParameter::getDefaultValueConstantName
ReflectionParameter::isPassedByReference