Ignoring specific CUSIPs now.

DPRMC · Apr 11, 2024 · 3ec9828 · 3ec9828
1 parent b993cb3
commit 3ec9828
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/src/CUSIP.php b/src/CUSIP.php
@@ -18,6 +18,13 @@ class CUSIP {
 
  const SEDOL_WEIGHT = [ 1, 3, 1, 7, 3, 9, 1 ];
 
+ /**
+ * @var array|string[] These are technically valid CUSIPs, but not assigned and are causing issues in parsers that rely on this library.
+ */
+ public static array $cusipsToIgnore = [
+ '240000000',
+ ];
+
  /**
  * @param $string
  *
@@ -97,6 +104,10 @@ public static function isCUSIP( $cusip = NULL ) {
  return FALSE;
  }
 
+ if ( in_array( $cusip, self::$cusipsToIgnore ) ) {
+ return FALSE;
+ }
+
  $checksumDigit = CUSIP::getChecksumDigit( $cusip );
  // If the last character of the cusip is equal to the checksum digit, then it validates.
  if ( substr( $cusip,