<?php

$a = null;
 var_dump(+$a);
$a = null;
 var_dump(-$a);
$a = null;
 $b = null;
 var_dump($a + $b);
$a = null;
 $b = true;
 var_dump($a + $b);
$a = null;
 $b = 0;
 var_dump($a + $b);
$a = null;
 $b = 1;
 var_dump($a + $b);
$a = null;
 $b = 1.0;
 var_dump($a + $b);
$a = null;
 $b = '1.0';
 var_dump($a + $b);
$a = null;
 $b = 'foo';
 var_dump($a + $b);
$a = null;
 $b = new Exception();
 var_dump($a + $b);
$a = null;
 $b = null;
 $b = 0;
 var_dump($a + $b);
$a = null;
 $b = null;
 $b = 1;
 var_dump($a + $b);
$a = null;
 $b = null;
 $b = 1.0;
 var_dump($a + $b);
$a = null;
 $b = null;
 $b = '1.0';
 var_dump($a + $b);
$a = null;
 $b = null;
 $b = 'foo';
 var_dump($a + $b);
$a = null;
 $b = null;
 $b = new Exception();
 var_dump($a + $b);
$a = null;
 $b = null;
 $a += $b;
 var_dump($a);
$a = null;
 $b = true;
 $a += $b;
 var_dump($a);
$a = null;
 $b = 0;
 $a += $b;
 var_dump($a);
$a = null;
 $b = 1;
 $a += $b;
 var_dump($a);
$a = null;
 $b = 1.0;
 $a += $b;
 var_dump($a);
$a = null;
 $b = '1.0';
 $a += $b;
 var_dump($a);
$a = null;
 $b = 'foo';
 $a += $b;
 var_dump($a);
$a = null;
 $b = new Exception();
 $a += $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = 0;
 $a += $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = 1;
 $a += $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = 1.0;
 $a += $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = '1.0';
 $a += $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = 'foo';
 $a += $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = new Exception();
 $a += $b;
 var_dump($a);
$a = null;
 $b = null;
 var_dump($a - $b);
$a = null;
 $b = true;
 var_dump($a - $b);
$a = null;
 $b = 0;
 var_dump($a - $b);
$a = null;
 $b = 1;
 var_dump($a - $b);
$a = null;
 $b = 1.0;
 var_dump($a - $b);
$a = null;
 $b = '1.0';
 var_dump($a - $b);
$a = null;
 $b = 'foo';
 var_dump($a - $b);
$a = null;
 $b = new Exception();
 var_dump($a - $b);
$a = null;
 $b = null;
 $b = 0;
 var_dump($a - $b);
$a = null;
 $b = null;
 $b = 1;
 var_dump($a - $b);
$a = null;
 $b = null;
 $b = 1.0;
 var_dump($a - $b);
$a = null;
 $b = null;
 $b = '1.0';
 var_dump($a - $b);
$a = null;
 $b = null;
 $b = 'foo';
 var_dump($a - $b);
$a = null;
 $b = null;
 $b = new Exception();
 var_dump($a - $b);
$a = null;
 $b = null;
 $a -= $b;
 var_dump($a);
$a = null;
 $b = true;
 $a -= $b;
 var_dump($a);
$a = null;
 $b = 0;
 $a -= $b;
 var_dump($a);
$a = null;
 $b = 1;
 $a -= $b;
 var_dump($a);
$a = null;
 $b = 1.0;
 $a -= $b;
 var_dump($a);
$a = null;
 $b = '1.0';
 $a -= $b;
 var_dump($a);
$a = null;
 $b = 'foo';
 $a -= $b;
 var_dump($a);
$a = null;
 $b = new Exception();
 $a -= $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = 0;
 $a -= $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = 1;
 $a -= $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = 1.0;
 $a -= $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = '1.0';
 $a -= $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = 'foo';
 $a -= $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = new Exception();
 $a -= $b;
 var_dump($a);
$a = null;
 $b = null;
 var_dump($a * $b);
$a = null;
 $b = true;
 var_dump($a * $b);
$a = null;
 $b = 0;
 var_dump($a * $b);
$a = null;
 $b = 1;
 var_dump($a * $b);
$a = null;
 $b = 1.0;
 var_dump($a * $b);
$a = null;
 $b = '1.0';
 var_dump($a * $b);
$a = null;
 $b = 'foo';
 var_dump($a * $b);
$a = null;
 $b = new Exception();
 var_dump($a * $b);
$a = null;
 $b = null;
 $b = 0;
 var_dump($a * $b);
$a = null;
 $b = null;
 $b = 1;
 var_dump($a * $b);
$a = null;
 $b = null;
 $b = 1.0;
 var_dump($a * $b);
$a = null;
 $b = null;
 $b = '1.0';
 var_dump($a * $b);
$a = null;
 $b = null;
 $b = 'foo';
 var_dump($a * $b);
$a = null;
 $b = null;
 $b = new Exception();
 var_dump($a * $b);
$a = null;
 $b = null;
 $a *= $b;
 var_dump($a);
$a = null;
 $b = true;
 $a *= $b;
 var_dump($a);
$a = null;
 $b = 0;
 $a *= $b;
 var_dump($a);
$a = null;
 $b = 1;
 $a *= $b;
 var_dump($a);
$a = null;
 $b = 1.0;
 $a *= $b;
 var_dump($a);
$a = null;
 $b = '1.0';
 $a *= $b;
 var_dump($a);
$a = null;
 $b = 'foo';
 $a *= $b;
 var_dump($a);
$a = null;
 $b = new Exception();
 $a *= $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = 0;
 $a *= $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = 1;
 $a *= $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = 1.0;
 $a *= $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = '1.0';
 $a *= $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = 'foo';
 $a *= $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = new Exception();
 $a *= $b;
 var_dump($a);
$a = null;
 $b = true;
 var_dump($a / $b);
$a = null;
 $b = 1;
 var_dump($a / $b);
$a = null;
 $b = 1.0;
 var_dump($a / $b);
$a = null;
 $b = '1.0';
 var_dump($a / $b);
$a = null;
 $b = null;
 $b = 1;
 var_dump($a / $b);
$a = null;
 $b = null;
 $b = 1.0;
 var_dump($a / $b);
$a = null;
 $b = null;
 $b = '1.0';
 var_dump($a / $b);
$a = null;
 $b = true;
 $a /= $b;
 var_dump($a);
$a = null;
 $b = 1;
 $a /= $b;
 var_dump($a);
$a = null;
 $b = 1.0;
 $a /= $b;
 var_dump($a);
$a = null;
 $b = '1.0';
 $a /= $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = 1;
 $a /= $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = 1.0;
 $a /= $b;
 var_dump($a);
$a = null;
 $b = null;
 $b = '1.0';
 $a /= $b;
 var_dump($a);
$a = true;
 $b = null;
 var_dump($a + $b);
$a = true;
 $b = true;
 var_dump($a + $b);
$a = true;
 $b = 0;
 var_dump($a + $b);
$a = true;
 $b = 1;
 var_dump($a + $b);
$a = true;
 $b = 1.0;
 var_dump($a + $b);
$a = true;
 $b = '1.0';
 var_dump($a + $b);
$a = true;
 $b = 'foo';
 var_dump($a + $b);
$a = true;
 $b = new Exception();
 var_dump($a + $b);
$a = true;
 $b = null;
 $b = 0;
 var_dump($a + $b);
$a = true;
 $b = null;
 $b = 1;
 var_dump($a + $b);
$a = true;
 $b = null;
 $b = 1.0;
 var_dump($a + $b);
$a = true;
 $b = null;
 $b = '1.0';
 var_dump($a + $b);
$a = true;
 $b = null;
 $b = 'foo';
 var_dump($a + $b);
$a = true;
 $b = null;
 $b = new Exception();
 var_dump($a + $b);
$a = true;
 $b = null;
 $a += $b;
 var_dump($a);
$a = true;
 $b = true;
 $a += $b;
 var_dump($a);
$a = true;
 $b = 0;
 $a += $b;
 var_dump($a);
$a = true;
 $b = 1;
 $a += $b;
 var_dump($a);
$a = true;
 $b = 1.0;
 $a += $b;
 var_dump($a);
$a = true;
 $b = '1.0';
 $a += $b;
 var_dump($a);
$a = true;
 $b = 'foo';
 $a += $b;
 var_dump($a);
$a = true;
 $b = new Exception();
 $a += $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = 0;
 $a += $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = 1;
 $a += $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = 1.0;
 $a += $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = '1.0';
 $a += $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = 'foo';
 $a += $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = new Exception();
 $a += $b;
 var_dump($a);
$a = true;
 $b = null;
 var_dump($a - $b);
$a = true;
 $b = true;
 var_dump($a - $b);
$a = true;
 $b = 0;
 var_dump($a - $b);
$a = true;
 $b = 1;
 var_dump($a - $b);
$a = true;
 $b = 1.0;
 var_dump($a - $b);
$a = true;
 $b = '1.0';
 var_dump($a - $b);
$a = true;
 $b = 'foo';
 var_dump($a - $b);
$a = true;
 $b = new Exception();
 var_dump($a - $b);
$a = true;
 $b = null;
 $b = 0;
 var_dump($a - $b);
$a = true;
 $b = null;
 $b = 1;
 var_dump($a - $b);
$a = true;
 $b = null;
 $b = 1.0;
 var_dump($a - $b);
$a = true;
 $b = null;
 $b = '1.0';
 var_dump($a - $b);
$a = true;
 $b = null;
 $b = 'foo';
 var_dump($a - $b);
$a = true;
 $b = null;
 $b = new Exception();
 var_dump($a - $b);
$a = true;
 $b = null;
 $a -= $b;
 var_dump($a);
$a = true;
 $b = true;
 $a -= $b;
 var_dump($a);
$a = true;
 $b = 0;
 $a -= $b;
 var_dump($a);
$a = true;
 $b = 1;
 $a -= $b;
 var_dump($a);
$a = true;
 $b = 1.0;
 $a -= $b;
 var_dump($a);
$a = true;
 $b = '1.0';
 $a -= $b;
 var_dump($a);
$a = true;
 $b = 'foo';
 $a -= $b;
 var_dump($a);
$a = true;
 $b = new Exception();
 $a -= $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = 0;
 $a -= $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = 1;
 $a -= $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = 1.0;
 $a -= $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = '1.0';
 $a -= $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = 'foo';
 $a -= $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = new Exception();
 $a -= $b;
 var_dump($a);
$a = true;
 $b = null;
 var_dump($a * $b);
$a = true;
 $b = true;
 var_dump($a * $b);
$a = true;
 $b = 0;
 var_dump($a * $b);
$a = true;
 $b = 1;
 var_dump($a * $b);
$a = true;
 $b = 1.0;
 var_dump($a * $b);
$a = true;
 $b = '1.0';
 var_dump($a * $b);
$a = true;
 $b = 'foo';
 var_dump($a * $b);
$a = true;
 $b = new Exception();
 var_dump($a * $b);
$a = true;
 $b = null;
 $b = 0;
 var_dump($a * $b);
$a = true;
 $b = null;
 $b = 1;
 var_dump($a * $b);
$a = true;
 $b = null;
 $b = 1.0;
 var_dump($a * $b);
$a = true;
 $b = null;
 $b = '1.0';
 var_dump($a * $b);
$a = true;
 $b = null;
 $b = 'foo';
 var_dump($a * $b);
$a = true;
 $b = null;
 $b = new Exception();
 var_dump($a * $b);
$a = true;
 $b = null;
 $a *= $b;
 var_dump($a);
$a = true;
 $b = true;
 $a *= $b;
 var_dump($a);
$a = true;
 $b = 0;
 $a *= $b;
 var_dump($a);
$a = true;
 $b = 1;
 $a *= $b;
 var_dump($a);
$a = true;
 $b = 1.0;
 $a *= $b;
 var_dump($a);
$a = true;
 $b = '1.0';
 $a *= $b;
 var_dump($a);
$a = true;
 $b = 'foo';
 $a *= $b;
 var_dump($a);
$a = true;
 $b = new Exception();
 $a *= $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = 0;
 $a *= $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = 1;
 $a *= $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = 1.0;
 $a *= $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = '1.0';
 $a *= $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = 'foo';
 $a *= $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = new Exception();
 $a *= $b;
 var_dump($a);
$a = true;
 $b = true;
 var_dump($a / $b);
$a = true;
 $b = 1;
 var_dump($a / $b);
$a = true;
 $b = 1.0;
 var_dump($a / $b);
$a = true;
 $b = '1.0';
 var_dump($a / $b);
$a = true;
 $b = null;
 $b = 1;
 var_dump($a / $b);
$a = true;
 $b = null;
 $b = 1.0;
 var_dump($a / $b);
$a = true;
 $b = null;
 $b = '1.0';
 var_dump($a / $b);
$a = true;
 $b = true;
 $a /= $b;
 var_dump($a);
$a = true;
 $b = 1;
 $a /= $b;
 var_dump($a);
$a = true;
 $b = 1.0;
 $a /= $b;
 var_dump($a);
$a = true;
 $b = '1.0';
 $a /= $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = 1;
 $a /= $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = 1.0;
 $a /= $b;
 var_dump($a);
$a = true;
 $b = null;
 $b = '1.0';
 $a /= $b;
 var_dump($a);
