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<?php $string = 'word1&word2 !word3 word4 &word5'; var_export( preg_split('/ |(?=[&!])/', $string, 0, PREG_SPLIT_NO_EMPTY) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IbMl2
function name:  (null)
number of ops:  11
compiled vars:  !0 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'word1%26word2+%21word3+word4+%26word5'
    4     1        INIT_FCALL                                               'var_export'
    5     2        INIT_FCALL                                               'preg_split'
          3        SEND_VAL                                                 '%2F+%7C%28%3F%3D%5B%26%21%5D%29%2F'
          4        SEND_VAR                                                 !0
          5        SEND_VAL                                                 0
          6        SEND_VAL                                                 1
          7        DO_ICALL                                         $2      
          8        SEND_VAR                                                 $2
    4     9        DO_ICALL                                                 
    6    10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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