預定義常量

下列常量由此擴充套件定義，且僅在此擴充套件編譯入 PHP 或在執行時動態載入時可用。

FDFValue (int)

FDFStatus (int)

FDFFile (int)

FDFID (int)

FDFFf (int)

FDFSetFf (int)

FDFClearFf (int)

FDFFlags (int)

FDFSetF (int)

FDFClrF (int)

FDFAP (int)

FDFAS (int)

FDFAction (int)

FDFAA (int)

FDFAPRef (int)

FDFIF (int)

FDFEnter (int)

FDFExit (int)

FDFDown (int)

FDFUp (int)

FDFFormat (int)

FDFValidate (int)

FDFKeystroke (int)

FDFCalculate (int)

FDFNormalAP (int)

FDFRolloverAP (int)

FDFDownAP (int)