3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump ( is_callable ( function ( ) { } ) ) ;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cj0Dk
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'var_dump'
    4     1        INIT_FCALL                                               'is_callable'
    7     2        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2Fcj0Dk%3A7%240'
   10     3        SEND_VAL                                                 ~0
          4        DO_ICALL                                         $1      
          5        SEND_VAR                                                 $1
          6        DO_ICALL                                                 
   13     7      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2Fcj0Dk%3A7%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cj0Dk
function name:  {closure}
number of ops:  1
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E > > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Fcj0Dk%3A7%240

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
155.76 ms | 1394 KiB | 17 Q