下列常量由此扩展定义,且仅在此扩展编译入 PHP 或在运行时动态载入时可用。
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)