Array get duplicate values php
You will need to make your function case insensitive to get the "Hello" => "hello" result you are looking for, try this method: Show
Output is:
Edit by @AlixAxel: This answer is very misleading. It only works in this specific condition. This counter-example:
Fails miserably. Also, this is not the way to keep duplicates:
Since one of the duplicated values will be in Edit by @RyanDay: So look at @Srikanth's or @Bucabay's answer, which work for all cases (look for case insensitive in Bucabay's), not just the test data specified in the question. (PHP 4 >= 4.0.1, PHP 5, PHP 7, PHP 8) array_unique — Removes duplicate values from an array Descriptionarray_unique(array Note that keys are preserved. If
multiple elements compare equal under the given
Parametersarray The input array. flags The
optional second parameter Sorting type flags:
Return ValuesReturns the filtered array. Changelog
ExamplesExample #1 array_unique() example
The above example will output: Array ( [a] => green [0] => red [1] => blue ) Example #2 array_unique() and types
The above example will output: array(2) { [0] => int(4) [2] => string(1) "3" } Notes
Ghanshyam Katriya(anshkatriya at gmail) ¶ 7 years ago
$array as $val) {
falundir at gmail dot com ¶ 4 years ago
$unique_array; stoff@ ¶ 5 years ago
Anonymous ¶ 12 years ago
= 1000000;
Fabiano ¶ 4 years ago
= 1000000; Ray dot Paseur at SometimesUsesGmail dot com ¶ 14 years ago
mnbayazit ¶ 14 years ago
keneks at gmail dot com ¶ 15 years ago
contact at evoweb dot fr ¶ 1 year ago
" calexandrepcjr at gmail dot com ¶ 5 years ago
mostafatalebi at rocketmail dot com ¶ 8 years ago
= array("hello", "fine", "good", "fine", "hello", "bye");
$get_sorted_unique_array = array_values(array_unique($array));
?>
regeda at inbox dot ru ¶ 12 years ago
$result as $key => $value) sashasimkin at gmail dot com ¶ 10 years ago
$obj as $n => $f ) { agarcia at rsn dot com dot co ¶ 16 years ago
$entrega;
Ludovico Grossi ¶ 7 years ago
quecoder at gmail ¶ 14 years ago
subhrajyoti dot de007 at gmail dot com ¶ 4 years ago
jusvalceanu - SPAM at SPAM - yahoo dot com ¶ 13 years ago
webmaster at jukkis dot net ¶ 15 years ago
in_array( $obj->id, $idlist ) ) zoolyka at gmail dot com ¶ 6 years ago
= array( amri [ at t] dhstudio dot eu ¶ 12 years ago
csaba at alum dot mit dot edu ¶ 18 years ago
Sbastien ¶ 3 months ago
= [true, false, null, '', '0', '123', 0, 123]; dirk dot avery a t gmail ¶ 13 years ago
Dorphalsig ¶ 14 years ago
$myArray as &$myvalue){
PHP Expert ¶ 14 years ago
array_iunique($a) {
geuis dot teses at gmail dot com ¶ 15 years ago
memandeemail at gmail dot com ¶ 16 years ago
How can I get only duplicate values from an array in PHP?The array_unique() function removes duplicate values from an array. If two or more array values are the same, the first appearance will be kept and the other will be removed. Note: The returned array will keep the first array item's key type.
How do you find duplicate values in an array?function checkIfArrayIsUnique(myArray) { for (var i = 0; i < myArray. length; i++) { for (var j = 0; j < myArray. length; j++) { if (i != j) { if (myArray[i] == myArray[j]) { return true; // means there are duplicate values } } } } return false; // means there are no duplicate values. }
How can I get unique values from two arrays in PHP?The array_diff() (manual) function can be used to find the difference between two arrays: $array1 = array(10, 20, 40, 80); $array2 = array(10, 20, 100, 200); $diff = array_diff($array1, $array2); // $diff = array(40, 80, 100, 200);
What is Array_map function in PHP?The array_map() is an inbuilt function in PHP and it helps to modify all elements one or more arrays according to some user-defined condition in an easy manner. It basically, sends each of the elements of an array to a user-defined function and returns an array with new values as modified by that function.
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