3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types = 1); $results = array_walk($contributors, function(string $contributor) : string { return sprintf("%s, thank you very much for PHP7!", $contributor); }); echo implode("\n", $results);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LA9WG
function name:  (null)
number of ops:  12
compiled vars:  !0 = $results, !1 = $contributors
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'array_walk'
          1        SEND_REF                                                 !1
          2        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FLA9WG%3A3%240'
    5     3        SEND_VAL                                                 ~2
          4        DO_ICALL                                         $3      
    3     5        ASSIGN                                                   !0, $3
    6     6        INIT_FCALL                                               'implode'
          7        SEND_VAL                                                 '%0A'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                         $5      
         10        ECHO                                                     $5
         11      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FLA9WG%3A3%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LA9WG
function name:  {closure}
number of ops:  9
compiled vars:  !0 = $contributor
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        INIT_FCALL                                               'sprintf'
          2        SEND_VAL                                                 '%25s%2C+thank+you+very+much+for+PHP7%21'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $1      
          5        VERIFY_RETURN_TYPE                                       $1
          6      > RETURN                                                   $1
    5     7*       VERIFY_RETURN_TYPE                                       
          8*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FLA9WG%3A3%240

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
172.83 ms | 1395 KiB | 19 Q