3v4l.org

run code in 300+ PHP versions simultaneously
<?php $time = time(); for($i = 0;$i < 1000; $i++) { $val1 = (1 === "1"); } echo strtotime(true) - $time; echo "\n"; $time = time(); for($j = 0;$j < 1000; $j++) { $val2 = (1 == "1"); } echo strtotime(true) - $time;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
2 jumps found. (Code = 44) Position 1 = 9, Position 2 = 5
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 22
Branch analysis from position: 22
2 jumps found. (Code = 44) Position 1 = 24, Position 2 = 20
Branch analysis from position: 24
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 20
2 jumps found. (Code = 44) Position 1 = 24, Position 2 = 20
Branch analysis from position: 24
Branch analysis from position: 20
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 9, Position 2 = 5
Branch analysis from position: 9
Branch analysis from position: 5
filename:       /in/JP5vS
function name:  (null)
number of ops:  30
compiled vars:  !0 = $time, !1 = $i, !2 = $val1, !3 = $j, !4 = $val2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'time'
          1        DO_ICALL                                         $5      
          2        ASSIGN                                                   !0, $5
    4     3        ASSIGN                                                   !1, 0
          4      > JMP                                                      ->7
    5     5    >   ASSIGN                                                   !2, <false>
    4     6        PRE_INC                                                  !1
          7    >   IS_SMALLER                                               !1, 1000
          8      > JMPNZ                                                    ~10, ->5
    8     9    >   INIT_FCALL                                               'strtotime'
         10        SEND_VAL                                                 <true>
         11        DO_ICALL                                         $11     
         12        SUB                                              ~12     $11, !0
         13        ECHO                                                     ~12
   10    14        ECHO                                                     '%0A'
   12    15        INIT_FCALL                                               'time'
         16        DO_ICALL                                         $13     
         17        ASSIGN                                                   !0, $13
   14    18        ASSIGN                                                   !3, 0
         19      > JMP                                                      ->22
   15    20    >   ASSIGN                                                   !4, <true>
   14    21        PRE_INC                                                  !3
         22    >   IS_SMALLER                                               !3, 1000
         23      > JMPNZ                                                    ~18, ->20
   18    24    >   INIT_FCALL                                               'strtotime'
         25        SEND_VAL                                                 <true>
         26        DO_ICALL                                         $19     
         27        SUB                                              ~20     $19, !0
         28        ECHO                                                     ~20
         29      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.26 ms | 1396 KiB | 17 Q