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<?php $xml = new SimpleXMLElement('<tag></tag>'); if($xml) { echo 'An empty SimpleXMLElement is truthy'; } else { echo 'An empty SimpleXMLElement is falsey'; } echo "\n"; $xml = new SimpleXMLElement('<tag>data</tag>'); if($xml) { echo 'A SimpleXMLElement with data is truthy'; } else { echo 'A SimpleXMLElement with data is falsey'; } echo "\n"; $obj = new stdClass(); if($obj) { echo 'An empty stdClass is truthy'; } else { echo 'An empty stdClass is falsey'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 14, Position 2 = 16
Branch analysis from position: 14
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
2 jumps found. (Code = 43) Position 1 = 22, Position 2 = 24
Branch analysis from position: 22
1 jumps found. (Code = 42) Position 1 = 25
Branch analysis from position: 25
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 24
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 16
2 jumps found. (Code = 43) Position 1 = 22, Position 2 = 24
Branch analysis from position: 22
Branch analysis from position: 24
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 14, Position 2 = 16
Branch analysis from position: 14
Branch analysis from position: 16
filename:       /in/Sa5NJ
function name:  (null)
number of ops:  26
compiled vars:  !0 = $xml, !1 = $obj
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $2      'SimpleXMLElement'
          1        SEND_VAL_EX                                              '%3Ctag%3E%3C%2Ftag%3E'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
    3     4      > JMPZ                                                     !0, ->7
    4     5    >   ECHO                                                     'An+empty+SimpleXMLElement+is+truthy'
          6      > JMP                                                      ->8
    6     7    >   ECHO                                                     'An+empty+SimpleXMLElement+is+falsey'
    8     8    >   ECHO                                                     '%0A'
    9     9        NEW                                              $5      'SimpleXMLElement'
         10        SEND_VAL_EX                                              '%3Ctag%3Edata%3C%2Ftag%3E'
         11        DO_FCALL                                      0          
         12        ASSIGN                                                   !0, $5
   10    13      > JMPZ                                                     !0, ->16
   11    14    >   ECHO                                                     'A+SimpleXMLElement+with+data+is+truthy'
         15      > JMP                                                      ->17
   13    16    >   ECHO                                                     'A+SimpleXMLElement+with+data+is+falsey'
   15    17    >   ECHO                                                     '%0A'
   16    18        NEW                                              $8      'stdClass'
         19        DO_FCALL                                      0          
         20        ASSIGN                                                   !1, $8
   17    21      > JMPZ                                                     !1, ->24
   18    22    >   ECHO                                                     'An+empty+stdClass+is+truthy'
         23      > JMP                                                      ->25
   20    24    >   ECHO                                                     'An+empty+stdClass+is+falsey'
   21    25    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.78 ms | 935 KiB | 14 Q