uniqid
March 3rd, 2011
// with prefix
echo uniqid(‘foo_’);
/* prints
foo_4bd67d6cd8b8f
*/
// with more entropy
echo uniqid(”,true);
/* prints
4bd67d6cd8b926.12135106
*/
// both
echo uniqid(‘bar_’,true);
/* prints
bar_4bd67da367b650.43684647
*/