3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "a" <=> "a"; // 0 echo "a" <=> "b"; // -1 echo "b" <=> "a"; // 1 echo "a" <=> "aa"; // -1 echo "zz" <=> "aa"; // 1 echo [] <=> []; // 0 echo [1, 2, 3] <=> [1, 2, 3]; // 0 echo [1, 2, 3] <=> []; // 1 echo [1, 2, 3] <=> [1, 2, 1]; // 1 echo [1, 2, 3] <=> [1, 2, 4]; // -1
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Y4isF
function name:  (null)
number of ops:  11
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ECHO                                                     0
    3     1        ECHO                                                     -1
    4     2        ECHO                                                     1
    5     3        ECHO                                                     -1
    6     4        ECHO                                                     1
    8     5        ECHO                                                     0
    9     6        ECHO                                                     0
   10     7        ECHO                                                     1
   11     8        ECHO                                                     1
   12     9        ECHO                                                     -1
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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