When print_r($my_array);
Array
(
[0] => Array
(
[value] => num1
[label] =>
)
[1] => Array
(
[value] => num2
[label] =>
)
[2] => Array
(
[value] => num3
[label] =>
)
)
Now I wonder how to create a new array variable to hold only 1 level with the following structure. e.g:
if print_r($new_array), it will show:
Array
(
[0] => num1
[1] => num2
[2] => num3
)
Try foreach() and store value in new array
foreach($arr as $v) {
$newarr[] = $v['value'];
}
print_r($newarr);
$new = array_map(function($element){ return $element['value'] ; }, $array);
Try with foreach of $my_array and assign value to $new_array variable like
$new_array = array();
foreach($my_array as $array){
$new_array[] = $array['value'];
}
print_r($new_array);
Loop thru the array as follows and push the desired elements into a new array.
$new_array = array();
for($i=0;$i<count($my_array);$i++) {
array_push($new_array, $my_array[$i]['value']);
}
print_r($new_array);
below can work:
foreach($my_array as $k => $v){
$new_array[] = $v['value'];
}
print_r($new_array);
$new_array = array();
foreach ($my_array as $key => $value) {
$new_array[] = $value['value'];
}
print_r($new_array);
Related
I have an array, whose structure is basically like this:
array('id,"1"', 'name,"abcd"', 'age,"30"')
I want to convert it into a two dimensional array, which has each element as key -> value:
array(array(id,1),array(name,abcd),array(age,30))
Any advice would be appreciated!
I tried this code:
foreach ($datatest as $lines => $value){
$tok = explode(',',$value);
$arrayoutput[$tok[0]][$tok[1]] = $value;
}
but it didn't work.
Assuming you want to remove all quotation marks as per your question:
$oldArray = array('id,"1"', 'name,"abcd"', 'age,"30"')
$newArray = array();
foreach ($oldArray as $value) {
$value = str_replace(array('"',"'"), '', $value);
$parts = explode(',', $value);
$newArray[] = $parts;
}
You can do something like this:
$a = array('id,"1"', 'name,"abcd"', 'age,"30"');
$b = array();
foreach($a as $first_array)
{
$temp = explode("," $first_array);
$b[$temp[0]] = $b[$temp[1]];
}
$AR = array('id,"1"', 'name,"abcd"', 'age,"30"');
$val = array();
foreach ($AR as $aa){
$val[] = array($aa);
}
print_r($val);
Output:
Array ( [0] => Array ( [0] => id,"1" ) [1] => Array ( [0] => name,"abcd" ) [2] => Array ( [0] => age,"30" ) )
With array_map function:
$arr = ['id,"1"', 'name,"abcd"', 'age,"30"'];
$result = array_map(function($v){
list($k,$v) = explode(',', $v);
return [$k => $v];
}, $arr);
print_r($result);
The output:
Array
(
[0] => Array
(
[id] => "1"
)
[1] => Array
(
[name] => "abcd"
)
[2] => Array
(
[age] => "30"
)
)
I have to arrays I would like to compare:
$original and $duplicate.
for example here is my original file:
print_r($original);
Array ( [0] => cat423 [1] => dog456 [2] => horse872 [3] => duck082 )
and here is my duplicate:
print_r($dublicate);
Array ( [0] => cat423 [1] => dug356 )
I compare them with array_diff:
$result = array_diff($original, $dublicate);
My result:
Array ( [1] => dog456 [2] => horse872 [3] => duck082 )
So far so good, but I need to make a difference between the values which are incorrect and the values which are completely missing. Is this possible?
A way would be to crawl the entire original array, afterwards you will have two arrays, missings and duplicates.
$original = array("cat423", "dog456", "horse872", "duck082");
$duplicate = array("cat423", "dug356");
$missings = $duplicates = array();
foreach ($original as $val) {
if (in_array($val, $duplicate))
$duplicates[] = $val;
else
$missings[] = $val;
}
If you need the keys as well, you would have to alter the foreach loop like so:
foreach ($original as $key=>$val) {
if (in_array($val, $duplicate))
$duplicates[] = array("key" => $key, "value" => $val);
else
$missings[] = array("key" => $key, "value" => $val);
}
use in_array function
$original = array("cat423", "dog456", "horse872", "duck082");
$duplicate = array("cat423", "dug356");
foreach ($original as $item) {
if(in_array($item, $duplicate))
{
$dup[] = $item;
}
else
{
$miss[] = $item;
}
}
print_r($miss); #Array ( [0] => dog456 [1] => horse872 [2] => duck082 )
print_r($dup); #Array ( [0] => cat423 )
Working Preview
I have two arrays and I want to replace the second array keys with the first array values if both keys matches.
As an example: Replace A with Code And B with name
How to do this;
<?php
$array = array('A' => 'code', 'B' =>'name');
$replacement_keys = array
(
array("A"=>'sara','B'=>2020),
array("A"=>'ahmed','B'=>1010)
);
foreach($replacement_keys as $key => $value){
foreach($value as $sk => $sv){
foreach($array as $rk => $rv){
if($sk == $rk ){
$sk = $rv;
}
}
}
}
echo "<pre>";
print_r($value);
echo "</pre>";
exit;
I want the result to be like this
array(
[0] => Array
(
[name] => ahmed
[code] => 1020
)
[1] => Array
(
[name] => sara
[code] => 2020
)
)
<?php
$array = array('A' => 'code', 'B' =>'name');
$replacement_keys = array
(
array("A"=>'sara','B'=>2020),
array("A"=>'ahmed','B'=>1010)
);
foreach($replacement_keys as &$value)
{
foreach ($array as $key => $name) {
$value[$name] = $value[$key];
unset($value[$key]);
}
}
var_dump($replacement_keys);
Try this:
<?php
$array = array('A' => 'code', 'B' =>'name');
$replacement_keys = array
(
array("A"=>'sara','B'=>2020),
array("A"=>'ahmed','B'=>1010)
);
$newArray = array();
foreach($replacement_keys as $key => $value)
{
foreach($value as $key2 => $value2)
{
if(isset($array[$key2]))
{
$newArray[$key][$array[$key2]] = $value2;
}
else
{
$newArray[$key][$key2] = $value2;
}
}
}
print_R($newArray);
This should work for you, nice and simple (I'm going to assume that A should be name and B should be code):
(Here I go through each array from $replacement_keys with array_map() and replace the array_keys() with the array_values() of $array. Then I simply get all array values from $replacement_keys and finally I array_combine() the replaced array keys with the corresponding array values)
$result = array_map("array_combine",
array_map(function($v)use($array){
return str_replace(array_keys($array), array_values($array), array_keys($v));
}, $replacement_keys),
$replacement_keys
);
output:
Array ( [0] => Array ( [code] => sara [name] => 2020 ) [1] => Array ( [code] => ahmed [name] => 1010 ) )
array_fill_keys
(PHP 5 >= 5.2.0, PHP 7)
array_fill_keys — Fill an array with values, specifying keys
Description
array array_fill_keys ( array $keys , mixed $value )
Fills an array with the value of the value parameter, using the values of the keys array as keys.
http://php.net/manual/en/function.array-fill-keys.php
I have this array $arr1
Array
(
[0] => [col1]
[1] => [col2]
[2] => [col3]
)
I have another array $arr2 as
Array
(
[0] => Array
(
[col3] => data1
[col2] => data2
[col1] => data3
)
[1] => Array
(
[col2] => data1
[col3] => data2
[col1] => data3
)
)
I need to sort this $arr2 keys as col1, col2 and col3 like as it is on $arr1.
I tried with array_multisort($arr1,$arr2) and the other way. Nothing worked. any help on this ?
Using loop.
$keys = array_values($arr1);
$out = array();
foreach($arr2 as $ar){
$outar = array();
foreach($keys as $k){
if(isset($ar[$k])){
$outar[$k]=$ar[$k];
}
}
$out[]=$outar;
}
The output array will be held in $out. See ideone.
You can do this with uksort and a closure (PHP 5.3+)
foreach($arr2 as &$array){
uksort($array,function($a,$b) use ($arr1){
return array_search($a, $arr1) - array_search($b, $arr1);
});
}
foreach ( $arr2 as $k => &$arr ) {
ksort($arr);
}
print_r($arr2);
Use ksort with a foreach loop with value passed by reference.
if first array values are exactly the same as indexes in second one, try
$resarr = array();
foreach ($arr2 as $somearr) {
$i = 0;
$newarr = array();
foreach ($somearr as $value) {
$newarr[$arr1[$i]] = $value;
$i++;
}
$resarr[] = $newarr;
}
$arr1 = $resarr;
My array is like:
Array
(
[0] => Array
(
[0] => "name"
[1] => "zxczxc5"
)
[1] => Array
(
[0] => "about"
[1] => "zxczxc"
)
[2] => Array
(
[0] => "contact"
[1] => "zxczxc"
)
)
I want to generate another array like this :
Array
{
['name']="zxczxc5";
}
Array
{
['contact']="zxczxc";
}
Array
{
['about']="zxczxc";
}
I want the first array index zero value goes as the index of second value in my new array.
Thanks.
There are many ways to solve what you want to achieve, this is just one of those:
foreach ($array as &$pair) {
$pair = call_user_func_array('array_combine', $pair);
}
unset($pair);
print_r($array);
It makes use of array_combine.
Assuming you name your first Array $aTest:
foreach($aTest as $aElement)
{
$aNewArray[$aElement[0]] = $aElement[1];
}
print_r($aNewArray);
foreach ($array as $value) {
$newArray[$value['0']] = $value['1'];
}
Assuming the first array is called $array
$new_array = array();
foreach($array as $element)
{
$new_array[] = array($element[0] => $element[1]);
}
$newArr = array();
foreach($arr as $val) {
$newArr[$val[0]] = $val[1];
}