Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/gGp3B
function name: (null)
number of ops: 8
compiled vars: !0 = $test_string, !1 = $year
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
6 0 E > ASSIGN !0, '1978-02-16'
7 1 INIT_FCALL 'sub_string'
2 SEND_VAR !0
3 SEND_VAL 0
4 SEND_VAL 4
5 DO_FCALL 0 $3
6 ASSIGN !1, $3
7 > RETURN 1
Function sub_string:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/gGp3B
function name: sub_string
number of ops: 11
compiled vars: !0 = $string, !1 = $start, !2 = $length, !3 = $result
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
2 0 E > RECV !0
1 RECV !1
2 RECV !2
3 3 INIT_FCALL 'substr'
4 SEND_VAR !0
5 SEND_VAR !1
6 SEND_VAR !2
7 DO_ICALL $4
8 ASSIGN !3, $4
4 9 > RETURN !3
5 10* > RETURN null
End of function sub_string
Generated using Vulcan Logic Dumper, using php 8.0.0