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<?php $tests = ['1,23,45,123,145,200', '345,999,0,1', '0', '0,2', '-1,-122', '', '1.5,2.9']; foreach ($tests as $test) { $before_comma = strstr($test, ',', true); var_export($before_comma === false ? $test : $before_comma); echo "\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 19
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 19
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 14
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 14
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 19
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
filename:       /in/q1sMY
function name:  (null)
number of ops:  21
compiled vars:  !0 = $tests, !1 = $test, !2 = $before_comma
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1      > FE_RESET_R                                       $4      !0, ->19
          2    > > FE_FETCH_R                                               $4, !1, ->19
    6     3    >   INIT_FCALL                                               'strstr'
          4        SEND_VAR                                                 !1
          5        SEND_VAL                                                 '%2C'
          6        SEND_VAL                                                 <true>
          7        DO_ICALL                                         $5      
          8        ASSIGN                                                   !2, $5
    7     9        INIT_FCALL                                               'var_export'
         10        TYPE_CHECK                                    4          !2
         11      > JMPZ                                                     ~7, ->14
         12    >   QM_ASSIGN                                        ~8      !1
         13      > JMP                                                      ->15
         14    >   QM_ASSIGN                                        ~8      !2
         15    >   SEND_VAL                                                 ~8
         16        DO_ICALL                                                 
    8    17        ECHO                                                     '%0A'
    5    18      > JMP                                                      ->2
         19    >   FE_FREE                                                  $4
    9    20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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