48 $leptoken = filter_input(
51 FILTER_VALIDATE_REGEXP,
54 "regexp" =>
"~^[a-zA-Z0-9\.]{32}$~",
60 if( NULL === $leptoken )
62 $leptoken = filter_input(
65 FILTER_VALIDATE_REGEXP,
68 "regexp" =>
"~^[a-zA-Z0-9\.]{32}$~",
75 if( NULL === $leptoken )
77 $leptoken = filter_input(
80 FILTER_VALIDATE_REGEXP,
83 "regexp" =>
"~^[a-zA-Z0-9\.]{32}$~",
90 return ( $leptoken ??
"" );