Written by Yeni Setiawan14/01/2008
Memeriksa DPI file JPG menggunakan PHP
PHP Article
Script ini berawal dari tugas di kantor untuk mencari cara mengetahui DPI dari suatu image. Googling mentok, kebanyakan menyarankan menggunakan ImageMagick yang berarti harus ngoprek server dan tentu saja menjadi solusi terakhir. Lalu akhirnya nemu sedikit petunjuk di https://www.thescripts.com/forum/thread5948.html. Intinya, ukuran DPI ini tersimpan di byte 14-18 dari suatu file JPG. Script berikut ini akan
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