$data = [
["foo" => "bar", "x" => "foo"],
["foo" => "bar1", "x" => "foo1"],
["foo" => "bar", "x" => "foo2"]
];I need to delete the duplicate array of foo in this array, leaving only one item. How do you do that?
$data = [
["foo" => "bar", "x" => "foo"],
["foo" => "bar1", "x" => "foo1"],
]; $tmp = [];
foreach ($data as $key => $datum) {
if (in_array($datum['foo'], $tmp)) {
unset($data[$key]);
continue;
}
$tmp[] = $datum['foo'];
}//$arr = array_merge($data1,$data2);
//
$key = 'foo';//
$tmp_arr = array();//
//var_dump($data);
foreach($data as $k => $v)
{
if(in_array($v[$key], $tmp_arr))
//$v[$key]$tmp_arrtrue
{
unset($data[$k]);
//$arrID
}
else {
$tmp_arr[] = $v[$key];
//id
}
}
var_dump($data);Previous: How to put the data on the page
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