3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(0 , 0 , 0 , 0); if (count(array_filter($a)) == 0) { // do something if all elements are 0 echo "Contains all zero elements"; } else { // do something echo "Contains non zero elements"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 9
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/OPnfD
function name:  (null)
number of ops:  11
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'array_filter'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $2      
          4        COUNT                                            ~3      $2
          5        IS_EQUAL                                                 ~3, 0
          6      > JMPZ                                                     ~4, ->9
    6     7    >   ECHO                                                     'Contains+all+zero+elements'
    4     8      > JMP                                                      ->10
   10     9    >   ECHO                                                     'Contains+non+zero+elements'
   11    10    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
136.26 ms | 998 KiB | 14 Q