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Fix #818 - prevent class of 0

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This commit is contained in:
Matt Brown 2018-06-14 13:49:16 -04:00
parent dc02ca8a7a
commit d56dd6bed6
1 changed files with 5 additions and 1 deletions
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6
src/Psalm/Type.php
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@ -649,10 +649,14 @@ abstract class Type
*/
public static function getFQCLNFromString($class, Aliases $aliases)
{
if (empty($class)) {
if ($class === '') {
throw new \InvalidArgumentException('$class cannot be empty');
}
if ($class === '0') {
throw new TypeParseTreeException('Unrecognised class 0');
}
if ($class[0] === '\\') {
return substr($class, 1);
}