<?php
$input = array("a" => "green", "red", "b" => "green", "blue", "red");
$result = array_unique($input);
print_r($result);
?>
Array
(
[a] => green
[0] => red
[1] => blue
)<?php
$input = array("a" => "green", "red", "b" => "green", "blue", "red");
$result = array_unique($input);
print_r($result);
?><?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($arrUnique);
echo "</pre> <br><br>";
/* -------- output -----------
Array
(
[0] => red
[1] => red
[2] => green
[3] => blue
[4] => blue
[5] => white
)
Array
(
[0] => red
[2] => green
[3] => blue
[5] => white
)
*/
?><?php
function uniquAsoc($array,$key){
$resArray=[];
foreach($array as $val){
if(empty($resArray)){
array_push($resArray,$val);
}else{
$value=array_column($resArray,$key);
if(!in_array($val[$key],$value)){
array_push($resArray,$val);
}
}
}
return $resArray;
}
$array=[['phone'=>123,'id'=>1],['phone'=>748,'id'=>1],['phone'=>958,'id'=>3]];
print_r(uniquAsoc($array,'id'));
/*
Array
(
[0] => Array
(
[phone] => 123
[id] => 1
)
[1] => Array
(
[phone] => 958
[id] => 3
)
)
*/
?>