3v4l.org

run code in 300+ PHP versions simultaneously
<?php $number = 5; for ($i = 1; $i <= $number; ++$i) { echo str_repeat('*', $i * .5 * ($i + 1)) . str_repeat('0', $i - 1) . PHP_EOL; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 19
Branch analysis from position: 19
2 jumps found. (Code = 44) Position 1 = 21, Position 2 = 3
Branch analysis from position: 21
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 21, Position 2 = 3
Branch analysis from position: 21
Branch analysis from position: 3
filename:       /in/7tmmR
function name:  (null)
number of ops:  22
compiled vars:  !0 = $number, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 5
    4     1        ASSIGN                                                   !1, 1
          2      > JMP                                                      ->19
    5     3    >   INIT_FCALL                                               'str_repeat'
          4        SEND_VAL                                                 '%2A'
          5        MUL                                              ~4      !1, 0.5
          6        ADD                                              ~5      !1, 1
          7        MUL                                              ~6      ~4, ~5
          8        SEND_VAL                                                 ~6
          9        DO_ICALL                                         $7      
    6    10        INIT_FCALL                                               'str_repeat'
         11        SEND_VAL                                                 '0'
         12        SUB                                              ~8      !1, 1
         13        SEND_VAL                                                 ~8
         14        DO_ICALL                                         $9      
         15        CONCAT                                           ~10     $7, $9
    7    16        CONCAT                                           ~11     ~10, '%0A'
         17        ECHO                                                     ~11
    4    18        PRE_INC                                                  !1
         19    >   IS_SMALLER_OR_EQUAL                                      !1, !0
         20      > JMPNZ                                                    ~13, ->3
    8    21    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
138.75 ms | 997 KiB | 14 Q