3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = "▒▒▒Y#CzdU▒BB▒(ȅi▒](▒▒▒▒W▒dv▒▒6m▒▒▒~▒▒▒{A։9fI΄#`I▒▒Q▒▒▒o▒▒tE▒▒]▒'J▒▒ `▒*q▒▒X}▒▒▒▒)P{▒-hs▒▒Uz▒6▒i▒▒▒J▒I"; preg_match_all('([a-zA-Z0-9]{1})', $foo, $matches); var_dump(implode($matches[0]));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/u1JqI
function name:  (null)
number of ops:  14
compiled vars:  !0 = $foo, !1 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%E2%96%92%E2%96%92%E2%96%92Y%23CzdU%E2%96%92BB%E2%96%92%28%C8%85i%E2%96%92%5D%28%E2%96%92%E2%96%92%E2%96%92%E2%96%92W%E2%96%92dv%E2%96%92%E2%96%926m%E2%96%92%E2%96%92%E2%96%92%7E%E2%96%92%E2%96%92%E2%96%92%7BA%D6%899fI%CE%84%23%60I%E2%96%92%E2%96%92Q%E2%96%92%E2%96%92%E2%96%92o%E2%96%92%E2%96%92tE%E2%96%92%E2%96%92%5D%E2%96%92%27J%E2%96%92%E2%96%92+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++%60%E2%96%92%2Aq%E2%96%92%E2%96%92X%7D%E2%96%92%E2%96%92%E2%96%92%E2%96%92%29P%7B%E2%96%92-hs%E2%96%92%E2%96%92Uz%E2%96%926%E2%96%92i%E2%96%92%E2%96%92%E2%96%92J%E2%96%92I'
    5     1        INIT_FCALL                                               'preg_match_all'
          2        SEND_VAL                                                 '%28%5Ba-zA-Z0-9%5D%7B1%7D%29'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    7     6        INIT_FCALL                                               'var_dump'
          7        INIT_FCALL                                               'implode'
          8        FETCH_DIM_R                                      ~4      !1, 0
          9        SEND_VAL                                                 ~4
         10        DO_ICALL                                         $5      
         11        SEND_VAR                                                 $5
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
178.75 ms | 1395 KiB | 19 Q