How to get the key value from an array if given string value as a variable in Codeigniter

Question

I am not sure if I would make any sense in asking this but I have a model:

function update_profile_image($id, $image, $data){
    $data1=array('profile_thumb'=> $data['images_urls'][$index]);
    $this->db->where('property_ref_id',$id);
    $this->db->update('vbc_property_images',$data1);
}

Here $data is an array:

Array
(
[images_urls] => Array
    (
        [0] => property_image_11.png
        [1] => property_image_13.png
        [2] => property_image_14.png
    )

)

And $image in model is the name of any image in this array, e.g. 'property_image_13.png'.

I am trying to do something where I can get key value like $index([0], [1]..) by $image so that in my query it will automatically detect which image was selected.

Please help.

CMPS · Accepted Answer · 2016-01-16 04:49:32Z

2

You can loop on the array to get the key of the image

foreach($data['images_urls'] as $key => $value) {
   if($value == $image) {
       $index = $key;
       break;
   }
}

Alternative solution is to use array_search()

$index = array_search($image, $data['images_urls']);

answered Jan 16, 2016 at 4:49

CMPS

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Comments

rjdown · Accepted Answer · 2016-01-16 03:34:02Z

0

If I understand your question correctly, you want to search $data for the value defined in $image, and return the key of the matching element. If so, array_search is what you need.

$key = array_search($image, $data);

Description from manpage:

Searches the array for a given value and returns the corresponding key if successful

answered Jan 16, 2016 at 3:34

rjdown

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2 Comments

CodeIgniter_Learner Over a year ago

Thanks @rjdown... I tried to print_r($key);.. doesn't echo anything. While $image echo image name

rjdown Over a year ago

It should at the very least return false, if no matches are found. Try var_dump instead of print_r

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