Remove EXIF data from JPG using PHP

Use gd to recreate the graphical part of the image in a new one, that you save with another name.

See PHP gd

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edit 2017

Use the new Imagick feature.

Open Image:

<?php
    $incoming_file = '/Users/John/Desktop/file_loco.jpg';
    $img = new Imagick(realpath($incoming_file));

Be sure to keep any ICC profile in the image

    $profiles = $img->getImageProfiles("icc", true);

then strip image, and put the profile back if any

    $img->stripImage();

    if(!empty($profiles)) {
       $img->profileImage("icc", $profiles['icc']);
    }

Comes from this PHP page, see comment from Max Eremin down the page.

A fast way to do it in PHP using ImageMagick (Assuming you have it installed and enabled).

<?php

$images = glob('*.jpg');

foreach($images as $image) 
{   
    try
    {   
        $img = new Imagick($image);
        $img->stripImage();
        $img->writeImage($image);
        $img->clear();
        $img->destroy();

        echo "Removed EXIF data from $image. \n";

    } catch(Exception $e) {
        echo 'Exception caught: ',  $e->getMessage(), "\n";
    }   
}
?>