3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pat = "[♥]+"; $sub = "heart"; $code = mb_ereg_replace( $pat, $sub, "I \$♥ PHP" ); echo $code;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SsfbV
function name:  (null)
number of ops:  10
compiled vars:  !0 = $pat, !1 = $sub, !2 = $code
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%5B%E2%99%A5%5D%2B'
    4     1        ASSIGN                                                   !1, 'heart'
    5     2        INIT_FCALL                                               'mb_ereg_replace'
          3        SEND_VAR                                                 !0
          4        SEND_VAR                                                 !1
          5        SEND_VAL                                                 'I+%24%E2%99%A5+PHP'
          6        DO_ICALL                                         $5      
          7        ASSIGN                                                   !2, $5
    6     8        ECHO                                                     !2
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
159.28 ms | 1394 KiB | 15 Q