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<?php $text = " &nbsp; &nbsp; <p>Hello World!&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Javascript development&nbsp;PHP Developer&nbsp;</p> &nbsp; &nbsp; "; $result = preg_replace(['/^((?:&nbsp;|\s)+)|(?1)$/', '/\s*&nbsp;(?:\s*&nbsp;)*\s*/', '/\s+/'], ['', '&nbsp;',' '], trim($text)); echo $result;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/U4faU
function name:  (null)
number of ops:  12
compiled vars:  !0 = $text, !1 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '+%26nbsp%3B+%26nbsp%3B+%3Cp%3EHello+World%21%26nbsp%3B+%26nbsp%3B+%26nbsp%3B+%26nbsp%3B+%26nbsp%3B+%26nbsp%3B+%26nbsp%3BJavascript+development%26nbsp%3BPHP+Developer%26nbsp%3B%3C%2Fp%3E+%26nbsp%3B+%26nbsp%3B+'
    5     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 <array>
          3        SEND_VAL                                                 <array>
          4        INIT_FCALL                                               'trim'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $3      
          7        SEND_VAR                                                 $3
          8        DO_ICALL                                         $4      
          9        ASSIGN                                                   !1, $4
    7    10        ECHO                                                     !1
    8    11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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