How to concatenate string in php?

Question

How to concatenate string in image source. I try to set base path dynamic in image source but it does not work. I am also using in fore each loop. any body can help me, give me some suggestion. I am new in php.

Here is my php code-

$base_path  =   'https://odesk.com';

$listing = '';
$count=1;
if(sizeOf($entry['contents'])>0){   
foreach($entry['contents'] as $child) {
    $count++;
    $cp = $child['path'];
    $cn = basename($cp);
    $image='';

    $cp = htmlspecialchars($cp);
    $link = getPath("?path=".htmlspecialchars($cp));

    if ($child['is_dir']) 
    {

    $image ='<img src="'@$base_path'/images/folder.png" width="20">';// i want here add base path
    $cn .= '/';
    }else{
    $image ='<input type="checkbox" value="'.$child['rev'].'" id="'.$child['rev'].'" name="checkbox_value[]" onclick="saveimages('.@$_SESSION['products_id'].',`'.@$path.'`,`'.@$cn.'`,this.value,event)" class="checked">&nbsp;<img src="https://odesk.com/images/image_dropbox.png" width="15">';
    }


    if($count%2==0){
    $listing .= "<div class='white'>$image&nbsp;<a id='a1' style='text-decoration: none;vertical-align:super;color:black;' href='$link'>$cn</a></div>";
    }else{
    $listing .= "<div class='white'>$image&nbsp;<a id='a1' style='text-decoration: none;vertical-align:super;color:black;' href='$link'>$cn</a></div>";
    }

}
}else{
    $listing = "<div align='center' class='white'><span style='color:red; text-align:center;'>No folders & files are available.</span></div>";
}

Ihor Burlachenko · Accepted Answer · 2016-06-11 10:56:45Z

2

If you want to parse variables in your strings you have to use double quotes. This is described in the Variable parsing section in the Strings documentation.

The following code will work:

$image = "<img src='$base_path/images/folder.png' width='20'>";

answered Jun 11, 2016 at 10:56

Ihor Burlachenko

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Comments

Alok Patel · Accepted Answer · 2016-06-11 09:15:24Z

1

We use . for concatenating values in PHP.

Replace following line

$image ='<img src="'@$base_path'/images/folder.png" width="20">';/

with

$image ='<img src="'.$base_path.'/images/folder.png" width="20">';/

answered Jun 11, 2016 at 9:15

Alok Patel

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Pietro · Accepted Answer · 2016-06-11 09:52:19Z

0

You should go for sprintf http://php.net/manual/en/function.sprintf.php

$image = sprintf('<img src="%s/images/folder.png" width="20">', $base_path);

answered Jun 11, 2016 at 9:52

Pietro

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