Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 11, Position 2 = 15
Branch analysis from position: 11
2 jumps found. (Code = 43) Position 1 = 16, Position 2 = 18
Branch analysis from position: 16
1 jumps found. (Code = 42) Position 1 = 19
Branch analysis from position: 19
2 jumps found. (Code = 46) Position 1 = 21, Position 2 = 25
Branch analysis from position: 21
2 jumps found. (Code = 43) Position 1 = 26, Position 2 = 28
Branch analysis from position: 26
1 jumps found. (Code = 42) Position 1 = 29
Branch analysis from position: 29
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 28
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 25
Branch analysis from position: 18
2 jumps found. (Code = 46) Position 1 = 21, Position 2 = 25
Branch analysis from position: 21
Branch analysis from position: 25
Branch analysis from position: 15
filename: /in/fY96G
function name: (null)
number of ops: 30
compiled vars: !0 = $global_last_undefined_variable, !1 = $last_notice, !2 = $a, !3 = $b
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
3 0 E > INIT_FCALL 'error_reporting'
1 SEND_VAL -1
2 DO_ICALL
6 3 INIT_FCALL 'set_error_handler'
4 SEND_VAL 'my_error_handler'
5 DO_ICALL
8 6 ASSIGN !0, <false>
34 7 ASSIGN !1, <false>
36 8 ASSIGN !2, null
39 9 TYPE_CHECK 2 ~9 !2
10 > JMPZ_EX ~9 ~9, ->15
11 > INIT_FCALL 'is_undefined'
12 SEND_VAL 'a'
13 DO_FCALL 0 $10
14 BOOL ~9 $10
15 > > JMPZ ~9, ->18
40 16 > ECHO 'a+is+undefined%0A'
17 > JMP ->19
42 18 > ECHO 'a+is+defined%0A'
44 19 > TYPE_CHECK 2 ~11 !3
20 > JMPZ_EX ~11 ~11, ->25
21 > INIT_FCALL 'is_undefined'
22 SEND_VAL 'b'
23 DO_FCALL 0 $12
24 BOOL ~11 $12
25 > > JMPZ ~11, ->28
45 26 > ECHO 'b+is+undefined%0A'
27 > JMP ->29
47 28 > ECHO 'b+is+defined%0A'
29 > > RETURN 1
Function my_error_handler:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 15
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 13, Position 2 = 15
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
Branch analysis from position: 15
filename: /in/fY96G
function name: my_error_handler
number of ops: 17
compiled vars: !0 = $severity, !1 = $message, !2 = $filename, !3 = $lineno, !4 = $global_last_undefined_variable, !5 = $matches
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
10 0 E > RECV !0
1 RECV !1
2 RECV !2
3 RECV !3
12 4 BIND_GLOBAL !4, 'global_last_undefined_variable'
13 5 IS_EQUAL !0, 8
6 > JMPZ ~6, ->15
15 7 > INIT_FCALL 'preg_match'
8 SEND_VAL '%2F%5EUndefined+variable%3A+%28.%2A%3F%29%24%2F'
9 SEND_VAR !1
10 SEND_REF !5
11 DO_ICALL $7
12 > JMPZ $7, ->15
16 13 > FETCH_DIM_R ~8 !5, 1
14 ASSIGN !4, ~8
20 15 > > RETURN <false>
21 16* > RETURN null
End of function my_error_handler
Function is_undefined:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 6
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
filename: /in/fY96G
function name: is_undefined
number of ops: 8
compiled vars: !0 = $var, !1 = $global_last_undefined_variable, !2 = $result
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
23 0 E > RECV !0
25 1 BIND_GLOBAL !1, 'global_last_undefined_variable'
26 2 IS_EQUAL ~3 !1, !0
3 ASSIGN !2, ~3
28 4 > JMPZ !2, ->6
29 5 > ASSIGN !1, <false>
31 6 > > RETURN !2
32 7* > RETURN null
End of function is_undefined
Generated using Vulcan Logic Dumper, using php 8.0.0