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<?php $a = '23bc'; $b = ''; $c = '123'; $cond1 = false; $cond2 = false; $test = array('a' => $a,'b' => $b, 'c' => $c); foreach ($test as $key => $str) { if( ($cond1 = strlen($str)== 0) || ($cond2 = ctype_digit($str)) ) { echo $key . ': Good to Go',"\n"; var_dump($cond1,$cond2); echo "\n"; } else { echo $key . ': Bad to Go',"\n"; var_dump($cond1,$cond2); echo "\n"; } }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 10, Position 2 = 40
Branch analysis from position: 10
2 jumps found. (Code = 78) Position 1 = 11, Position 2 = 40
Branch analysis from position: 11
2 jumps found. (Code = 47) Position 1 = 16, Position 2 = 21
Branch analysis from position: 16
2 jumps found. (Code = 43) Position 1 = 22, Position 2 = 31
Branch analysis from position: 22
1 jumps found. (Code = 42) Position 1 = 39
Branch analysis from position: 39
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
Branch analysis from position: 31
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
Branch analysis from position: 21
Branch analysis from position: 40
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 40
filename:       /in/8Pchk
function name:  (null)
number of ops:  42
compiled vars:  !0 = $a, !1 = $b, !2 = $c, !3 = $cond1, !4 = $cond2, !5 = $test, !6 = $str, !7 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '23bc'
    3     1        ASSIGN                                                   !1, ''
    4     2        ASSIGN                                                   !2, '123'
    5     3        ASSIGN                                                   !3, <false>
    6     4        ASSIGN                                                   !4, <false>
    8     5        INIT_ARRAY                                       ~13     !0, 'a'
          6        ADD_ARRAY_ELEMENT                                ~13     !1, 'b'
          7        ADD_ARRAY_ELEMENT                                ~13     !2, 'c'
          8        ASSIGN                                                   !5, ~13
   10     9      > FE_RESET_R                                       $15     !5, ->40
         10    > > FE_FETCH_R                                       ~16     $15, !6, ->40
         11    >   ASSIGN                                                   !7, ~16
   11    12        STRLEN                                           ~18     !6
         13        IS_EQUAL                                         ~19     ~18, 0
         14        ASSIGN                                           ~20     !3, ~19
         15      > JMPNZ_EX                                         ~20     ~20, ->21
         16    >   INIT_FCALL                                               'ctype_digit'
         17        SEND_VAR                                                 !6
         18        DO_ICALL                                         $21     
         19        ASSIGN                                           ~22     !4, $21
         20        BOOL                                             ~20     ~22
         21    > > JMPZ                                                     ~20, ->31
   13    22    >   CONCAT                                           ~23     !7, '%3A+Good+to+Go'
         23        ECHO                                                     ~23
         24        ECHO                                                     '%0A'
   14    25        INIT_FCALL                                               'var_dump'
         26        SEND_VAR                                                 !3
         27        SEND_VAR                                                 !4
         28        DO_ICALL                                                 
   15    29        ECHO                                                     '%0A'
         30      > JMP                                                      ->39
   19    31    >   CONCAT                                           ~25     !7, '%3A+Bad+to+Go'
         32        ECHO                                                     ~25
         33        ECHO                                                     '%0A'
   20    34        INIT_FCALL                                               'var_dump'
         35        SEND_VAR                                                 !3
         36        SEND_VAR                                                 !4
         37        DO_ICALL                                                 
   21    38        ECHO                                                     '%0A'
   10    39    > > JMP                                                      ->10
         40    >   FE_FREE                                                  $15
   23    41      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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