(Commented with '//' means it is not implemented yet)

ogrcoordtransform.cc:  PHP_ME(OGRCoordinateTransformation, __construct, NULL, ZEND_ACC_PUBLIC)
ogrcoordtransform.cc:  PHP_ME(OGRCoordinateTransformation, GetSourceCS, NULL, ZEND_ACC_PUBLIC)
ogrcoordtransform.cc:  PHP_ME(OGRCoordinateTransformation, GetTargetCS, NULL, ZEND_ACC_PUBLIC)
ogrcoordtransform.cc:  PHP_ME(OGRCoordinateTransformation, Transform,
ogrcoordtransform.cc:  PHP_ME(OGRCoordinateTransformation, TransformEx,