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<?php $str = 'abc abc abc'; preg_match_all("/a/", $str, $m, PREG_OFFSET_CAPTURE); print_r($m);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MLjYo
function name:  (null)
number of ops:  11
compiled vars:  !0 = $str, !1 = $m
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   ASSIGN                                                   !0, 'abc+abc+abc'
    6     1        INIT_FCALL                                               'preg_match_all'
          2        SEND_VAL                                                 '%2Fa%2F'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        SEND_VAL                                                 256
          6        DO_ICALL                                                 
    8     7        INIT_FCALL                                               'print_r'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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