3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0.1 + 0.2; $b = 0.2; $b += 0.1; var_dump(array(0.1 + 0.2, 0.3, 0.1 + 0.2 == 0.3, 0.1 + 0.2 === 0.3, $a == $b));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GcBIA
function name:  (null)
number of ops:  13
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 0.3
    3     1        ASSIGN                                                   !1, 0.2
    4     2        ASSIGN_OP                                     1          !1, 0.1
    5     3        INIT_FCALL                                               'var_dump'
          4        INIT_ARRAY                                       ~5      0.3
          5        ADD_ARRAY_ELEMENT                                ~5      0.3
          6        ADD_ARRAY_ELEMENT                                ~5      <false>
          7        ADD_ARRAY_ELEMENT                                ~5      <false>
          8        IS_EQUAL                                         ~6      !0, !1
          9        ADD_ARRAY_ELEMENT                                ~5      ~6
         10        SEND_VAL                                                 ~5
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.61 ms | 1394 KiB | 15 Q