I have a PHP array:
array
0 =>
array
'cid' => string '18427' (length=5)
1 =>
array
'cid' => string '17004' (length=5)
2 =>
array
'cid' => string '19331' (length=5)
I want to join the values so I can get a string like this:
18427,17004,19331
I tried the implode PHP function, But I get an error:
A PHP Error was encountered
How can join only the values which are in cid?
You have to map the array values first:
echo join(',', array_map(function($item) {
return $item['cid'];
}, $arr));
Without closures it would look like this:
function get_cid($item)
{
return $item['cid'];
}
echo join(',', array_map('get_cid', $arr));
See also: array_map()
$arr needs to be inside the function for the solution with the closures.. :)
array_column()
// set a new variable for their the value of cid
$cid = array();
// then loop to call them one by one.
foreach($css as $style){
foreach($style as $row){
array_push($cid,$row);
}
}
// then the new $cid array would contain the values of your cid array
$cid = array('1','2','3');
note:then you can now implode or watever you want to get the data set you want..
You can loop through each element
$result = '';
foreach($array as $sub_array){
$result .= $sub_array['cid'] . ',';
}
$result = substr($result, -2);
