t / t4034 / php / preon commit t3903: abstract away SHA-1-specific constants (c784815)
   1$var $var
   2<?= "Hello World!" ?>
   31 -1e10 0xabcdef 'x'
   4[a] a->b a.b
   5!a ~a a++ a-- a*b a&b
   6a*b a/b a%b
   7a+b a-b
   8a<<b a>>b
   9a<b a<=b a>b a>=b
  10a==b a!=b
  11a&b
  12a^b
  13a|b
  14a&&b
  15a||b
  16a?b:z
  17a=b a+=b a-=b a*=b a/=b a%=b a<<=b a>>=b a&=b a^=b a|=b
  18a,y