PHP去除重複的陣列資料
阿新 • • 發佈:2019-02-09
<?php
$input = array("a" => "green","", "red","b" => "green", "","blue", "red","c" => "witer","hello","witer");
//$result = array_unique($input); //去除重複元素
$result = a_array_unique($input); //只留下單一元素
foreach($result as $aa)
{
echo $aa."<br />";
}
function multi_unique($array) {
foreach ($array as $k=>$na)
$new[$k] = serialize($na);
$uniq = array_unique($new);
foreach($uniq as $k=>$ser)
$new1[$k] = unserialize($ser);
return ($new1);
}
function a_array_unique($array)//寫的比較好
{
$out = array();
foreach ($array as $key=>$value) {
if (!in_array($value, $out))
{
$out[$key] = $value;
}
}
return $out;
}
?>
$input = array("a" => "green","", "red","b" => "green", "","blue", "red","c" => "witer","hello","witer");
//$result = array_unique($input); //去除重複元素
$result = a_array_unique($input); //只留下單一元素
foreach($result as $aa)
{
echo $aa."<br />";
}
function multi_unique($array) {
foreach ($array as $k=>$na)
$new[$k] = serialize($na);
$uniq = array_unique($new);
foreach($uniq as $k=>$ser)
$new1[$k] = unserialize($ser);
return ($new1);
}
function a_array_unique($array)//寫的比較好
{
$out = array();
foreach ($array as $key=>$value) {
if (!in_array($value, $out))
{
$out[$key] = $value;
}
}
return $out;
}
?>