CODEWITHSUNDEEP
phparrays
satya
satya

Reputation: 3560

How to remove value while getting letter with number using php

i need one help.i need to remove those ids which has also some letters and inserted rest into a array using PHP. i am explaining my code below.

http://oditek.in/spesh/mobileapi/categoryproduct.php?item=1&acn=5&subcat_id=a15,15,16

here in subcat_id i have one id a15i need to remove this type of ids wheile comes and rest should insert into a array.Please help me.

Upvotes: 0

Views: 58

Answers (4)

Muhammad Arif
Muhammad Arif

Reputation: 1022

Try preg_replace for getting numeric ids

$subcatid = explode(",",$_GET['subcat_id']);
$arrId = [];
foreach($subcatid AS $id) {
    $arrId[] = preg_replace("/[^0-9]/", "", $id);
}
var_dump($arrId);  //$arrId contains all the numeric IDs only

Upvotes: 0

aslawin
aslawin

Reputation: 1981

Try this:

$url = 'http://oditek.in/spesh/mobileapi/categoryproduct.php?item=1&acn=5&subcat_id=a15,15,16';

$parts = parse_url($url);
$q = array();
parse_str($parts['query'], $q);

$subcatIds = explode(',', $q['subcat_id']);
$subcatIds = array_map(function($element){ return filter_var($element, FILTER_SANITIZE_NUMBER_INT);}, $subcatIds);

print_r($subcatIds);

Result is:

Array ( [0] => 15 [1] => 15 [2] => 16 )

Working example: CLICK!

So basically, if you have subcat_id in $_GET, then you need only two lines:

$subcatIds = explode(',', $_GET['subcat_id']);
$subcatIds = array_map(function($element){ return filter_var($element, FILTER_SANITIZE_NUMBER_INT);}, $subcatIds);

Upvotes: 0

Vinicius Zaramella
Vinicius Zaramella

Reputation: 531

if you are not getting the URL from the request you would have to parse it first.

<?php

$url = "http://oditek.in/spesh/mobileapi/categoryproduct.php?item=1&acn=5&subcat_id=a15,15,16";
$query_str = parse_url($url, PHP_URL_QUERY);
parse_str($query_str, $query_params);
$ids = explode(",",$query_params['subcat_id']);
print_r($ids);
foreach( $ids as $index => $id){
    if( is_numeric($id) === false ){
        unset($ids[$index]);
    }
}
print_r($ids);
?>

The for loop in my example could be replaced by array_filter($ids, 'is_numeric') like in jszobody answer.

Upvotes: 0

jszobody
jszobody

Reputation: 28941

If I understand you correctly, you want to take the string a15,15,16, convert to an array, and remove the non-numeric values?

If so, it's pretty simple:

$subcatArray = explode(',', $_GET['subcat_id']);
$subcatArrayNumeric = array_filter($subcat, 'is_numeric');

Now $subcatArrayNumeric will be an array with '15' and '16' in it, only.

Working example: https://3v4l.org/hWSOj

Upvotes: 2

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