Change aspect ratio of image php

function createThumbnail($image_name,$new_width,$new_height,$uploadDir,$moveToDir)
{
    $path = $uploadDir . '/' . $image_name;

    $mime = getimagesize($path);

    if($mime['mime']=='image/png') { 
        $src_img = imagecreatefrompng($path);
    }
    if($mime['mime']=='image/jpg' || $mime['mime']=='image/jpeg' || $mime['mime']=='image/pjpeg') {
        $src_img = imagecreatefromjpeg($path);
    }   

    $old_x          =   imageSX($src_img);
    $old_y          =   imageSY($src_img);

    if($old_x > $old_y) 
    {
        $thumb_w    =   $new_width;
        $thumb_h    =   $old_y*($new_height/$old_x);
    }

    if($old_x < $old_y) 
    {
        $thumb_w    =   $old_x*($new_width/$old_y);
        $thumb_h    =   $new_height;
    }

    if($old_x == $old_y) 
    {
        $thumb_w    =   $new_width;
        $thumb_h    =   $new_height;
    }

    $dst_img        =   ImageCreateTrueColor($thumb_w,$thumb_h);

    imagecopyresampled($dst_img,$src_img,0,0,0,0,$thumb_w,$thumb_h,$old_x,$old_y); 


    // New save location
    $new_thumb_loc = $moveToDir . $image_name;

    if($mime['mime']=='image/png') {
        $result = imagepng($dst_img,$new_thumb_loc,8);
    }
    if($mime['mime']=='image/jpg' || $mime['mime']=='image/jpeg' || $mime['mime']=='image/pjpeg') {
        $result = imagejpeg($dst_img,$new_thumb_loc,80);
    }

    imagedestroy($dst_img); 
    imagedestroy($src_img);

    return $result;
}

Source: stackoverflow.com

Similar codes

0 vote158 views1 answer
Encode string for csv
PHP
7 votes159 views3 answers
Wordpress custom loop
PHP
2 votes185 views1 answer
Josn header php
PHP
0 vote173 views1 answer
Merge two objects php laravel
PHP Laravel
0 vote168 views1 answer
18 year back date in php
PHP
3 votes180 views3 answers
Php string replace regex
PHP
0 vote210 views1 answer
Laravel check if postback
PHP Laravel
0 vote209 views1 answer
Wordpress disable php update required
PHP
0 vote166 views1 answer
Laravel many to many relation update
PHP
0 vote184 views1 answer
Php guzzle client x-www-form-urlencoded
PHP