Foreach loop array? - php

I am trying to create an array using foreach which is used inside an another array.
$team = array();
foreach ($items as $item) {
$team[] = array($item->post_title => $item->post_title, );
}
print_r($team);
$meta_boxes[] = array(
'title' => __( 'Team', 'meta-box' ),
'fields' => array(
array(
'name' => __( 'Select', 'meta-box' ),
'options' => $team,
),
)
);
The options array should be in the format of
'options' => array(
'value1' => ('Label1'),
'value2' => ('Label2'),
),
The print_r output is
Array (
[0] => Array ( [Jessi] => Jessi )
[1] => Array ( [Adam] => Adam )
[2] => Array ( [Babu] => Babu )
)
I am getting output as Array,Array,Array in selectbox for which I am trying to use this for. How do I fix this?
Thanks

Add Key in array [$item->post_title] and assign the values
$team = array();
foreach ($items as $item) {
$team[$item->post_title] = $item->post_title;
}
print_r($team);

Try with -
foreach ($items as $item) {
$team[$item->post_title] = $item->post_title;
}

You can also try like this
$team = array();
foreach ($items as $item) {
$team = array_merge($team,array($item->post_title => $item->post_title));
}

Related

unable to delete array key from multidimensional array in cakephp

I want to delete array index which contain rating 0 here is my array
array(
(int) 0 => array(
'Gig' => array(
'id' => '1',
'rating' => (int) 5
)
),
(int) 1 => array(
'Gig' => array(
'id' => '3',
'rating' => (int) 9
)
),
(int) 2 => array(
'Gig' => array(
'id' => '4',
'rating' => '0'
)
)
)
and what I did
for($i = 0; $i<count($agetGigsItem); $i++)
{
if($agetGigsItem[$i]['Gig']['rating']==0)
{
unset($agetGigsItem[$i]);
}
$this->set('agetGigsItem', $agetGigsItem);
}
i also try foreach loop but unable to resolve this issue.
foreach ($agetGigsItem as $key => $value) {
if ($value["Gig"]["rating"] == 0) { unset($agetGigsItem[$key]); }
}
I think you need to reupdate your array.
foreach ($agetGigsItem as $key => $value) {
if ($value["Gig"]["rating"] != 0)
{
unset($agetGigsItem[$key]);
}
$this->set('agetGigsItem', $agetGigsItem);
}
I hope you are missing $this and so you cannot access the array in CakePHP.
So try this:
foreach ($this->$agetGigsItem as $key => $value) {
if ($value["Gig"]["rating"] == 0) {
unset($this->$agetGigsItem[$key]);
}
}
This code will unset arrey index with value 0.
<?php
$array=array(
array(
'Gig' => array(
'id' => '1',
'rating' =>5
)
),
array(
'Gig' => array(
'id' => '3',
'rating' =>9
)
),
array(
'Gig' => array(
'id' => '4',
'rating' =>0
)
)
);
foreach($array as $a){
if($a['Gig']['rating']==0){
unset($a['Gig']['rating']);
}
$array1[]=$a;
}
var_dump($array1);
Destroying occurances within an array you are actually processing over with a for or a foreach is always a bad idea. Each time you destroy an occurance the loop can easily get corrupted and get in a terrible mess.
If you want to remove items from an array it is better to create a copy of the array and process over that new array in the loop but remove the items from the original array.
So try this instead
$tmparray = $this->agetGigsItem; // will copy agetGigsItem into new array
foreach ($tmparray as $key => $value) {
if ($value["Gig"]["rating"] == 0) {
unset($this->agetGigsItem[$key]);
}
}
unset($tmparray);

Multidimensional array looping (PHP) - a better way?

Is there a better/more efficient way to loop through this data?
I need to loop through the array data with the 'Name' first and the 'ListID' second but the external API request generates the array as per the code below (the other way round).
// Array Data
$csList = array(
array(
'ListID' => 'BGERFwQTrHoseE4sweebqwyAxuJ9YU',
'Name' => 'Monthly Newsletter Subscribers'
),
array(
'ListID' => 'kHdUQMbELgMyojuATz9Dsbxz3WViVo',
'Name' => 'Special Mailout'
)
);
// Generate Array Varaibles
foreach($csList as $array => $values) {
foreach($values as $k => $v) {
for($i = 1; $i < count($csList); $i++) {
$csListData[$k][] = $v;
}
}
}
// Loop Data
for($i = 0; $i < count($csList); $i++) {
echo $csListData['Name'][$i].'<br>';
echo $csListData['ListID'][$i].'<br>';
}
It's not at all clear why you're rearranging the data. Loop over the array and access whatever keys you want in whatever order you want.
$csList = array(
array(
'ListID' => 'BGERFwQTrHoseE4sweebqwyAxuJ9YU',
'Name' => 'Monthly Newsletter Subscribers'
),
array(
'ListID' => 'kHdUQMbELgMyojuATz9Dsbxz3WViVo',
'Name' => 'Special Mailout'
)
);
foreach ($csList as $item) {
echo $item['Name'].'<br>';
echo $item['ListID'].'<br>';
}
Your inner for loop is useless. You can use the $array key to get your array as wanted :
foreach($csList as $array => $values) {
foreach($values as $k => $v) {
$csListData[$k][$array] = $v;
}
}
// Loop Data
for($i = 0, $c = count($csList); $i <$c; $i++) {
echo '<br>';
echo $csListData['Name'][$i].'<br>';
echo $csListData['ListID'][$i].'<br>';
}
Also, moving the count() out of the check will avoid to count at every iteration of the loop.
// Array Data
$csList = array(
array(
'ListID' => 'BGERFwQTrHoseE4sweebqwyAxuJ9YU',
'Name' => 'Monthly Newsletter Subscribers'
),
array(
'ListID' => 'kHdUQMbELgMyojuATz9Dsbxz3WViVo',
'Name' => 'Special Mailout'
)
);
You can do as follow:
$newCsList = array();
$newCsList = array_map(function ($val){
return array_reverse($val,true);
},$csList);
The result is like:
**Array (
[0] => Array (
[Name] => Monthly Newsletter Subscribers
[ListID] => BGERFwQTrHoseE4sweebqwyAxuJ9YU
)
[1] => Array (
[Name] => Special Mailout
[ListID] => kHdUQMbELgMyojuATz9Dsbxz3WViVo
)
)**
But for taking each element you can do:
$newCsList = array();
$newCsList = array_map(function ($val){
$my_test_ary = array_reverse($val);
echo $my_test_ary['Name'].'<br/>'.$my_test_ary['ListId'];
},$csList);

Laravel/PHP create an array from array

Hey guys I'm confused about how to create an array using specific keys from my pre-existing array.
Laravel controller
public function index()
{
$content = Page::find(1)->content->toArray();
return View::make('frontend.services', compact('content'));
}
$content is an array that looks similar to
array (
0 => array (
'id' => '1',
'page_id' => '1',
'name' => 'banner_heading',
'content' => 'some content', ),
1 => array (
'id' => '2',
'page_id' => '1',
'name' => 'banner_text',
'content' => 'some other content' )
)
And I want it recreate this array to look like this
array (
0 => array (
'banner_heading' => 'some content'
),
1 => array (
'banner_text' => 'some other content'
)
)
How can I move the keys name and content to equal their values as a single row in the array?
I greatly appreciate any advice.
PHP >= 5.5.0:
$result = array_column($content, 'content', 'name');
PHP < 5.5.0:
foreach($content as $key => $array) {
$result[$key] = array($array['name'] => $array['content']);
}
You mean
$newContent = array();
foreach ($content as $record) {
$newContent[] = array($record['name'] => $record['content']);
}
?
I don't know Laravel, but i believe that your solutions should be similar to this :
$newArray= array();
foreach($content as $key => $value)
{
$newArray[] = $value["banner_heading"];
}
return View::make('frontend.services', compact('newArray'));
Or at least it should be something similar with this.

Adding a foreach inside of an array - PHP

Basically I want to add a dynamic array inside of another array, here's my array :
$myarray = array(
'options' => array( ),
);
And here's the dynamic array :
$page = array(
array('id' => '1' ,'title'=>'Page1' ),
array('id' => '2' ,'title'=>'Page2' )
);
I want to $myarray to be like this :
$myarray = array(
'options' =>
array('1' => 'Page1' ,'2'=>'Page2' ),
);
Here's what I tried :
foreach ($page as $key => $value) {
$myarray['options'][]=array(
"".$value['id']."" =>"".$value['title'].""
);
}
Any help with this? Thanks.
Here's a codepad demo
$myarray = [];
foreach($page as $key => $value) {
$myarray['options'][$value['id']] = $value['title'];
}
Just try with:
$myarray['options'] = array_reduce($page, function($options, $item){
$options[$item['id']] = $item['title'];
return $options;
});

How do I transform this array into a multi-dimensional array via recursion?

So my example inputs are
$example_1 = Array (
0 => Array (
'category' => 'body',
'sub-category' => 'intro',
'id' => 'header',
'copy' => 'Hello',
),
1 => Array (
'category' => 'body',
'sub-category' => 'intro',
'id' => 'footer',
'copy' => 'Bye',
),
);
$example_2 = Array (
0 => Array (
'category' => 'body',
'sub-category' => 'intro',
'sub-sub-category' => 'header',
'sub-sub-child-category' => 'left',
'id' => 'title',
'copy' => 'Hello',
),
1 => Array (
'category' => 'body',
'sub-category' => 'intro',
'sub-sub-category' => 'footer',
'sub-sub-child-category' => 'right',
'id' => 'title',
'copy' => 'Bye',
),
);
I want to transform it into
$example_output_1 = Array (
'body' => Array (
'intro' => Array (
'header' => Array (
'title' => 'Hello',
),
'footer' => Array (
'title' => 'Bye',
),
),
),
);
$example_output_2 = Array (
'body' => Array (
'intro' => Array (
'header' => Array (
'left' => Array (
'title' => 'Hello',
),
),
'footer' => Array (
'right' => Array (
'title' => 'Bye',
)
),
),
),
);
Note the depth of the array is dynamic (it is not set - only by the time it hits 'copy' does it indicate the depth of the array).
I am having problems trying to get the recursion correctly. The basic but very rough algorithm I had was to
- Loop through the Row
- Loop through the contents of the Row
- When the index is "copy" then the final value is current value.
- Then build the array
I managed to get it to process for ONLY one row of the array but it was very messy and kinda patchy, so I got a feeling I really need to start from scratch.
Updated: Attached embarrassing Code as requested (don't scream! ;p)
function buildArray($row, $start = true) {
if ($start) {
$result = array();
}
if ( ! is_array($row) ) {
return $row;
}
// Get the first element of the array include its index
$cellValue = null;
$colId = null;
foreach($row AS $index => $value) {
$cellValue = $value;
$colId = $index;
break;
}
// Reduce the array by one
$tempRow = $row;
$temp = array_shift($tempRow);
if ($colId == 'copy') {
$result[$cell] = buildArray($cellValue, $locale, false);
} else {
$result[$cell] = buildArray($tempRow, $locale, false);
}
return $result;
}
Any help will be greatly appreciated.
Should be pretty straightforward:
$originalArray = array(); // <-- should contain your values
$newArray = array();
foreach( $originalArray as $item )
{
$category = $item['category'];
$subcategory = $item['sub-category'];
if ( empty( $newArray[$category] ) )
{
$newArray[$category] = array();
}
if ( empty( $newArray[$category][$subcategory] ) )
{
$newArray[$category][$subcategory] = array();
}
$newArray[$category][$subcategory][$item['id']] = $item['copy'];
}
See it here in action: http://codepad.viper-7.com/9bDiLP
Update: Now that you've specified that you need unlimited recursion, here's a shot at that:
$originalArray = array(); // <-- Your values go here
$newArray = array();
foreach ( $originalArray as $item )
{
$inception = &$newArray; // http://www.imdb.com/title/tt1375666/
foreach ( $item as $key => $val )
{
if ( $key != 'id' )
{
if ( empty($inception[$val]) )
{
$inception[$val] = array();
}
$inception = &$inception[$val];
}
else
{
$inception[ $val ] = $item['copy'];
break;
}
}
}
...and here's the demo: http://codepad.viper-7.com/F9hY7h
This can be solved iteratively, because the recursion would only happen at the tail end of your function. The following code is the simplification. It builds a new layered array while it iterates over the old.
After transforming each each entry it gets merged using array_merge_recursive.
function transform($a)
{
// create new array and keep a reference to it
$b = array(); $cur = &$b;
foreach ($a as $key => $value) {
if ('id' === $key) {
// we're done, add value to the array built so far using id and copy
$cur[$value] = $a['copy'];
break;
} else {
// create one more level
$cur[$value] = array();
// and update the reference
$cur = &$cur[$value];
}
}
// all done
return $b;
}
// $example_2 is your multi-dimensional array
$merged = call_user_func_array('array_merge_recursive',
array_map('transform', $example_2)
);

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