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Custom Alt Tags via PHP file

  • Hey Guys,

    I found a php file where it has in the code alt=”” which is making all my posts images not have an alt tag. I’d like to put something within the alt=”” that pulls the Alternative Text from the image I’m using in the Media section. Thoughts on how to achieve this?

    To see the code that it currently reads I’ll give you this.
    File Name: template-functions.php

    <div id="<?php echo $id; ?>" class="inside-post-slider flexslider">
            <ul class="slides">
                foreach($images as $n=> $img_id){
                    $col = array();
                   // $col['img'] = $img_id;
                    $meta  = $metas[$n];
                    $attachment=wp_get_attachment_image_src($img_id, 'st_normal_thumb');
                    $item = '<li> %1$s </li>';
                    $img = sprintf('<img src="%1$s" alt="" />',$attachment[0]);
                    if(isset($meta['url']) && $meta['url']!=''){
                            $img ='<a href="'.$meta['url'].'">'.$img.'</a></h3>';
                    $caption ='';

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