Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 6
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/hhHqs
function name: (null)
number of ops: 8
compiled vars: none
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
11 0 E > INIT_FCALL 'isjson'
1 SEND_VAL 123
2 DO_FCALL 0 $0
3 > JMPZ $0, ->6
12 4 > ECHO 'valid+JSON'
11 5 > JMP ->7
14 6 > ECHO 'not+valid+JSON'
15 7 > > RETURN 1
Function isjson:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 8, Position 2 = 11
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 13
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
filename: /in/hhHqs
function name: isJson
number of ops: 18
compiled vars: !0 = $string, !1 = $decoded
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
3 0 E > RECV !0
4 1 INIT_FCALL 'json_decode'
2 SEND_VAR !0
3 DO_ICALL $2
4 ASSIGN !1, $2
5 5 TYPE_CHECK 256 ~4 !1
6 BOOL_NOT ~5 ~4
7 > JMPZ_EX ~5 ~5, ->11
8 > TYPE_CHECK 128 ~6 !1
9 BOOL_NOT ~7 ~6
10 BOOL ~5 ~7
11 > > JMPZ ~5, ->13
6 12 > > RETURN <false>
8 13 > INIT_FCALL 'json_last_error'
14 DO_ICALL $8
15 IS_EQUAL ~9 $8, 0
16 > RETURN ~9
9 17* > RETURN null
End of function isjson
Generated using Vulcan Logic Dumper, using php 8.0.0