Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/ksRoj
function name: (null)
number of ops: 37
compiled vars: !0 = $notDefined, !1 = $nullable, !2 = $notNullable
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
16 0 E > ASSIGN !0, <array>
17 1 ASSIGN !1, <array>
18 2 ASSIGN !2, <array>
20 3 ECHO '%0Anot+defined%0A'
21 4 INIT_FCALL 'var_dump'
5 INIT_FCALL 'original'
6 SEND_VAR !0
7 DO_FCALL 0 $6
8 SEND_VAR $6
9 INIT_FCALL 'proposed'
10 SEND_VAR !0
11 DO_FCALL 0 $7
12 SEND_VAR $7
13 DO_ICALL
23 14 ECHO '%0Anullable%0A'
24 15 INIT_FCALL 'var_dump'
16 INIT_FCALL 'original'
17 SEND_VAR !1
18 DO_FCALL 0 $9
19 SEND_VAR $9
20 INIT_FCALL 'proposed'
21 SEND_VAR !1
22 DO_FCALL 0 $10
23 SEND_VAR $10
24 DO_ICALL
26 25 ECHO '%0Anot+nullable%0A'
27 26 INIT_FCALL 'var_dump'
27 INIT_FCALL 'original'
28 SEND_VAR !2
29 DO_FCALL 0 $12
30 SEND_VAR $12
31 INIT_FCALL 'proposed'
32 SEND_VAR !2
33 DO_FCALL 0 $13
34 SEND_VAR $13
35 DO_ICALL
36 > RETURN 1
Function original:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/ksRoj
function name: original
number of ops: 7
compiled vars: !0 = $a
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
5 0 E > RECV !0
7 1 ISSET_ISEMPTY_DIM_OBJ 1 ~1 !0, 'nullable'
2 CAST 4 ~2 ~1
3 VERIFY_RETURN_TYPE ~2
4 > RETURN ~2
8 5* VERIFY_RETURN_TYPE
6* > RETURN null
End of function original
Function proposed:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 9
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/ksRoj
function name: proposed
number of ops: 14
compiled vars: !0 = $a, !1 = $nullable
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
10 0 E > RECV !0
12 1 FETCH_DIM_IS ~2 !0, 'nullable'
2 COALESCE ~3 ~2
3 QM_ASSIGN ~3 <true>
4 ASSIGN !1, ~3
13 5 TYPE_CHECK 4 !1
6 > JMPZ ~5, ->9
7 > QM_ASSIGN ~6 1
8 > JMP ->10
9 > QM_ASSIGN ~6 0
10 > VERIFY_RETURN_TYPE ~6
11 > RETURN ~6
14 12* VERIFY_RETURN_TYPE
13* > RETURN null
End of function proposed
Generated using Vulcan Logic Dumper, using php 8.0.0