Small PHP Codes | Snippets

[_Vishal_]

function to get real ip.

 function getRealIpAddr()
{
    if (!empty($_SERVER['HTTP_CLIENT_IP']))
    {
        $ip=$_SERVER['HTTP_CLIENT_IP'];
    }
    elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR']))
    //to check ip is pass from proxy
    {
        $ip=$_SERVER['HTTP_X_FORWARDED_FOR'];
    }
    else
    {
        $ip=$_SERVER['REMOTE_ADDR'];
    }
    return $ip;
} 
  

[_Vishal_]

image watermark with php

 <?php  
 
$main_img         = "image.jpg"; // main big photo / picture
$watermark_img    = "watermark.gif"; // use GIF or PNG, JPEG has no tranparency support
$padding         = 3; // distance to border in pixels for watermark image
$opacity        = 100;    // image opacity for transparent watermark
 
$watermark     = imagecreatefromgif($watermark_img); // create watermark
$image         = imagecreatefromjpeg($main_img); // create main graphic
 
if(!$image || !$watermark) die("Error: main image or watermark could not be loaded!");
 
 
$watermark_size     = getimagesize($watermark_img);
$watermark_width     = $watermark_size[0];  
$watermark_height     = $watermark_size[1];  
 
$image_size     = getimagesize($main_img);  
$dest_x         = $image_size[0] - $watermark_width - $padding;  
$dest_y         = $image_size[1] - $watermark_height - $padding;
 
 
// copy watermark on main image
imagecopymerge($image, $watermark, $dest_x, $dest_y, 0, 0, $watermark_width, $watermark_height, $opacity);
 
 
// print image to screen
header("content-type: image/jpeg");   
imagejpeg($image);  
imagedestroy($image);  
imagedestroy($watermark);
?>  

[_Vishal_]

Unzip file using PHP

 <?php
 
// create object
$zip = new ZipArchive() ;
 
// open archive
if ($zip->open(&#8217;archive.zip’) !== TRUE) {
die (&#8217;Could not open archive’);
}
 
// extract contents to destination directory
$zip->extractTo(&#8217;/ tmp/extracted/ ‘);
 
// close archive
// print success message
$zip->close();
echo &#8216;Archive extracted to directory’;
 
?>