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<?php var_dump(preg_replace('/(\s)\s+/u', '$1', html_entity_decode('&nbsp; ', ENT_QUOTES, 'utf-8')));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8RACr
function name:  (null)
number of ops:  14
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%28%5Cs%29%5Cs%2B%2Fu'
          3        SEND_VAL                                                 '%241'
          4        INIT_FCALL                                               'html_entity_decode'
          5        SEND_VAL                                                 '%26nbsp%3B+'
          6        SEND_VAL                                                 3
          7        SEND_VAL                                                 'utf-8'
          8        DO_ICALL                                         $0      
          9        SEND_VAR                                                 $0
         10        DO_ICALL                                         $1      
         11        SEND_VAR                                                 $1
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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