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<?php $foo = [ 0 => ['test'], 1 => null ]; var_dump(array_diff($foo, array_filter($foo, 'is_null')));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Jhv0g
function name:  (null)
number of ops:  13
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    9     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'array_diff'
          3        SEND_VAR                                                 !0
          4        INIT_FCALL                                               'array_filter'
          5        SEND_VAR                                                 !0
          6        SEND_VAL                                                 'is_null'
          7        DO_ICALL                                         $2      
          8        SEND_VAR                                                 $2
          9        DO_ICALL                                         $3      
         10        SEND_VAR                                                 $3
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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