Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/W6GIu
function name: (null)
number of ops: 8
compiled vars: !0 = $a
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
3 0 E > ASSIGN !0, '2x1+image'
5 1 INIT_FCALL_BY_NAME 'substring'
2 SEND_VAR_EX !0
3 SEND_VAL_EX 0
4 SEND_VAL_EX 3
5 DO_FCALL 0 $2
6 ECHO $2
7 > RETURN 1
Generated using Vulcan Logic Dumper, using php 8.0.0