3v4l.org

run code in 500+ PHP versions simultaneously
<?php $create = 'Datetime::createFromFormat'; $invoke = [new stdClass, '__invoke']; var_dump(is_callable($create), is_callable($invoke));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/K5PMD
function name:  (null)
number of ops:  17
compiled vars:  !0 = $create, !1 = $invoke
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, 'Datetime%3A%3AcreateFromFormat'
    4     1        NEW                                                  $3      'stdClass'
          2        DO_FCALL                                          0          
          3        INIT_ARRAY                                           ~5      $3
          4        ADD_ARRAY_ELEMENT                                    ~5      '__invoke'
          5        ASSIGN                                                       !1, ~5
    6     6        INIT_FCALL                                                   'var_dump'
          7        INIT_FCALL                                                   'is_callable'
          8        SEND_VAR                                                     !0
          9        DO_ICALL                                             $7      
         10        SEND_VAR                                                     $7
         11        INIT_FCALL                                                   'is_callable'
         12        SEND_VAR                                                     !1
         13        DO_ICALL                                             $8      
         14        SEND_VAR                                                     $8
         15        DO_ICALL                                                     
         16      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
161.83 ms | 1448 KiB | 15 Q