3v4l.org

run code in 300+ PHP versions simultaneously
<?php $saida = 'vazio'; $array = array( 'Foo' => NULL ); for( $i = 0; $i <= 10000000; $i++ ) { if (array_key_exists('Foo', $array)){ $saida = $i; } } echo $saida;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 4
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 7
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 4
Branch analysis from position: 10
Branch analysis from position: 4
Branch analysis from position: 7
filename:       /in/k6bG7
function name:  (null)
number of ops:  12
compiled vars:  !0 = $saida, !1 = $array, !2 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'vazio'
    4     1        ASSIGN                                                   !1, <array>
    7     2        ASSIGN                                                   !2, 0
          3      > JMP                                                      ->8
    8     4    >   ARRAY_KEY_EXISTS                                         'Foo', !1
          5      > JMPZ                                                     ~6, ->7
    9     6    >   ASSIGN                                                   !0, !2
    7     7    >   PRE_INC                                                  !2
          8    >   IS_SMALLER_OR_EQUAL                                      !2, 10000000
          9      > JMPNZ                                                    ~9, ->4
   14    10    >   ECHO                                                     !0
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.76 ms | 1393 KiB | 13 Q