A Usefull Sample Captcha based on PHP. You can change font and backgound easily.

simple-php-captcha-master
.........................\.gitignore
.........................\backgrounds
.........................\...........\45-degree-fabric.png
.........................\...........\cloth-alike.png
.........................\...........\grey-sandbag.png
.........................\...........\kinda-jean.png
.........................\...........\polyester-lite.png
.........................\...........\stitched-wool.png
.........................\...........\white-carbon.png
.........................\...........\white-wave.png
.........................\fonts
.........................\.....\times_new_yorker.ttf
.........................\index.php
.........................\readme.md
.........................\simple-php-captcha.php

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