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<?php $requiredFields = ['name', 'age', 'hair_colour']; // Note: $errorString is not initialised foreach ( $requiredFields as $field ) { if ( ! isset($_POST[$field]) ) { $errorString .= "Missing required field '$field'. "; } } echo $errorString;
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 12
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 12
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 11
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 11
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
filename:       /in/pP5CU
function name:  (null)
number of ops:  15
compiled vars:  !0 = $requiredFields, !1 = $field, !2 = $errorString
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    6     1      > FE_RESET_R                                       $4      !0, ->12
          2    > > FE_FETCH_R                                               $4, !1, ->12
    7     3    >   FETCH_IS                                         ~5      '_POST'
          4        ISSET_ISEMPTY_DIM_OBJ                         0  ~6      ~5, !1
          5        BOOL_NOT                                         ~7      ~6
          6      > JMPZ                                                     ~7, ->11
    8     7    >   ROPE_INIT                                     3  ~9      'Missing+required+field+%27'
          8        ROPE_ADD                                      1  ~9      ~9, !1
          9        ROPE_END                                      2  ~8      ~9, '%27.+'
         10        ASSIGN_OP                                     8          !2, ~8
    6    11    > > JMP                                                      ->2
         12    >   FE_FREE                                                  $4
   11    13        ECHO                                                     !2
   12    14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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