PHP String único
md5(uniqid(rand(), true))
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md5(uniqid(rand(), true))<?php
// Syntax: array_unique(array $array, int $flags = SORT_STRING): array
// Desc: Removes duplicate values from an array
$arr = Array("red", "red", "green", "blue", "blue", "white");
echo "<pre>";
print_r($arr);
echo "</pre> <br><br>";
$arrUnique = array_unique($arr);
echo "<pre>";
print_r($arrUnique);
echo "</pre> <br><br>";
/* -------- output -----------
Array
(
[0] => red
[1] => red
[2] => green
[3] => blue
[4] => blue
[5] => white
)
Array
(
[0] => red
[2] => green
[3] => blue
[5] => white
)
*/
?>