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<?php $string = '0 foo 1 bar 2 baz 3 quux'; $int = preg_replace('/\D+/', '', $string); var_dump((int)$int);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/soMHI
function name:  (null)
number of ops:  12
compiled vars:  !0 = $string, !1 = $int
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '0+foo+1+bar+2+baz+3+quux'
    5     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%5CD%2B%2F'
          3        SEND_VAL                                                 ''
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $3      
          6        ASSIGN                                                   !1, $3
    7     7        INIT_FCALL                                               'var_dump'
          8        CAST                                          4  ~5      !1
          9        SEND_VAL                                                 ~5
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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