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<?php function isPrime($num) { for ($i=2; i < $num/2; $i++) { if ($num % $i == 0) { return false; } } return true; } var_dump(isPrime(10));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6uZJ2
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'isprime'
          2        SEND_VAL                                                 10
          3        DO_FCALL                                      0  $0      
          4        SEND_VAR                                                 $0
          5        DO_ICALL                                                 
          6      > RETURN                                                   1

Function isprime:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
2 jumps found. (Code = 44) Position 1 = 12, Position 2 = 3
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 7
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
2 jumps found. (Code = 44) Position 1 = 12, Position 2 = 3
Branch analysis from position: 12
Branch analysis from position: 3
filename:       /in/6uZJ2
function name:  isPrime
number of ops:  14
compiled vars:  !0 = $num, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        ASSIGN                                                   !1, 2
          2      > JMP                                                      ->8
    5     3    >   MOD                                              ~3      !0, !1
          4        IS_EQUAL                                                 ~3, 0
          5      > JMPZ                                                     ~4, ->7
    6     6    > > RETURN                                                   <false>
    4     7    >   PRE_INC                                                  !1
          8    >   FETCH_CONSTANT                                   ~6      'i'
          9        DIV                                              ~7      !0, 2
         10        IS_SMALLER                                               ~6, ~7
         11      > JMPNZ                                                    ~8, ->3
    9    12    > > RETURN                                                   <true>
   10    13*     > RETURN                                                   null

End of function isprime

Generated using Vulcan Logic Dumper, using php 8.0.0


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