3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Stringable { public function __toString() { return "A"; } } //var_dump(preg_replace('#A#si','B',$x=new Stringable())); $a=new SplObjectStorage(); $a[new DateInterval('1y')]=7; echo(serialize($a));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/keLcS
function name:  (null)
number of ops:  14
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_CLASS                                            'stringable'
   11     1        NEW                                              $1      'SplObjectStorage'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
   12     4        NEW                                              $4      'DateInterval'
          5        SEND_VAL_EX                                              '1y'
          6        DO_FCALL                                      0          
          7        ASSIGN_DIM                                               !0, $4
          8        OP_DATA                                                  7
   13     9        INIT_FCALL                                               'serialize'
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                         $7      
         12        ECHO                                                     $7
         13      > RETURN                                                   1

Class Stringable:
Function __tostring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/keLcS
function name:  __toString
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E > > RETURN                                                   'A'
    8     1*       VERIFY_RETURN_TYPE                                       
          2*     > RETURN                                                   null

End of function __tostring

End of class Stringable.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
171.49 ms | 1395 KiB | 15 Q