PHP Graphic Techniques: CAPTCHA/ Create a verification code

  • Course provided by Udemy
  • Study type: Online
  • Starts: Anytime
  • Price: See latest price on Udemy
Udemy

Course Description

You will learn how to create a verification program and how to install and use it.

Who this course is for:

  • anyone who wants to be able to process images using PHP

Instructor

Fun, Effective, and Useful Coding Training
  • 4.6 Instructor Rating
  • 2,429 Reviews
  • 20,552 Students
  • 10 Courses

No matter where and whom you take your lessons from, you will always have to do all the hard work yourself.

You have to spend time and efforts learning, understanding, memorizing and practicing new knowledge. This is NO short-cut here.

But a good course can show the best route and help you avoid traps and detours. You can achieve maximum productivity from your time and efforts.

Based on user feedback, tech development, and our new thoughts and inspirations, we will keep adding new contents and improving existing ones.

We will cover basics as well as advanced applications. You will learn smart and creative tech combinations as well.

Web development has been a popular area for years. The internet has accumulated tons of free tutoring videos and materials.

Even if you are stuck with questions you cannot solve, just post them on stackoverflow, you will have your answers within a few minutes.

With all the free tutoring materials and teachers, what is the point of creating this paid online course?

It depends on what you really want.

If you just want to have a rough idea of how web apps work and create some basic programs, then there is really no need for you to pay for any courses. Free internet information is more than enough to meet your demands.

If you want to be able to turn your design and idea into programs that are safe and efficient enough to be applied in real life and solve all kinds of challenge, then this course is perfect for you.

We believe a good online course should also be a navigator, not just explaining coding concepts.

It should show you where the real destination is and most importantly, take you there in the most efficient way.

Why we emphasize real destination?

First of all, you should know a program that can work is very different from a program that can survive in real life.

This is like playing a racing game on your phone is definitely not the same as driving a real car on a real track.

For example, in our PHP lesson, we will teach you how to create an upload program.

We have seen books and courses that only teach how to upload files.

If you run that program in real life, it will not last a day. It will do more damage than good.

For an upload program to work in real life, you need to check file type and size before letting any file being uploaded.

You also need to protect your program from uploading the same file repeatedly by keeping refreshing the uploading page.

Uploaded files should be properly renamed and stored. Most importantly, this process must be automatic.

Uploaded files must also be retrievable, therefore information about uploaded files should also be automatically recorded into database.

If one step is missing, your upload program will not survive the real life environment.

This is why we emphasize real destination. We want to show you the whole picture, rather than just a segment of it.

Knowing the whole picture is what separates a trustworthy professional programmer from a coding amateur.

Apparently the road to the real destination is quite long.

This is why a good course should be a navigator. It should show students the best route.

When designing our course contents, we acknowledge and most importantly, take in consideration two very important facts:

Everybody forgets and you have other things going on in your life and can only partly devote to your study.

This means your study will be constantly interrupted and when you resume your study, you might find what you have learnt has become rusty.

As a result, all your new knowledge are built on a collapsing foundation. At the end of your study, you will find that despite you have spent time and money, but you just cannot make satisfactory progress. You thought you have learnt everything but just cannot put them together can create a functional program.

So how do we solve this problem?

We divide our whole course content into small segments. At the end of each segment, there will be a review session summarizing everything you have learnt from that session.

When you are creating APPs, we will give a review session on key knowledge as well.

Apart from review sessions, we will also help you control your study pace. You will often hear we tell you that if you cannot answer this quiz, do not proceed and review previous lessons.

The biggest card up our sleeve is our content table.

You might think our upload program lesson starts here. But actually our upload lesson has started long before that. We have started to lay foundations for you since we teach you how to create a file type detector.

We divide a complicated program into components and will only add one component at a time. Most importantly, every time we add a new component, we will review the previous components again.

In the very end, despite the program we are creating is long and complicated, you will be able to master everything.

Expected Outcomes

  1. code a CAPTCHA code a verification code install a verification code Course content 2 sections • 11 lectures • 42m total length Expand all sections Prepare canvas, ink, and paint brush and do some painting 6 lectures • 18min LESSON-1: Create the canvas, paint brush and ink Preview 01:38 LESSON-2: Create your first blank canvas Preview 02:48 LESSON-3: Create your first ink Preview 03:52 LESSON-4: Get a paint brush and do your first painting Preview 02:21 LESSON-5: Output your work for display and storage Preview 03:46 LESSON-6: Draw a dot, a straight line and a rectangle 03:34 How to create a verification code/ CAPTCHA 5 lectures • 23min LESSON-7: how to write on the blank canvas you just created? 05:56 LESSON-8: how to create the verification code/ CATCHA 02:52 LESSON-9: demonstration of creating the verification code APP 10:04 LESSON-10: how to install and use the verification code? 03:49 and now 2 pages Requirements how to use a PHP function Description You will learn how to create a verification program and how to install and use it. Who this course is for: anyone who wants to be able to process images using PHP Show more Show less Instructor OnlyKiosk Tech Fun, Effective, and Useful Coding Training 4.6 Instructor Rating 2,429 Reviews 20,552 Students 10 Courses No matter where and whom you take your lessons from, you will always have to do all the hard work yourself. You have to spend time and efforts learning, understanding, memorizing and practicing new knowledge. This is NO short-cut here. But a good course can show the best route and help you avoid traps and detours. You can achieve maximum productivity from your time and efforts. Based on user feedback, tech development, and our new thoughts and inspirations, we will keep adding new contents and improving existing ones. We will cover basics as well as advanced applications. You will learn smart and creative tech combinations as well. Web development has been a popular area for years. The internet has accumulated tons of free tutoring videos and materials. Even if you are stuck with questions you cannot solve, just post them on stackoverflow, you will have your answers within a few minutes. With all the free tutoring materials and teachers, what is the point of creating this paid online course? It depends on what you really want. If you just want to have a rough idea of how web apps work and create some basic programs, then there is really no need for you to pay for any courses. Free internet information is more than enough to meet your demands. If you want to be able to turn your design and idea into programs that are safe and efficient enough to be applied in real life and solve all kinds of challenge, then this course is perfect for you. We believe a good online course should also be a navigator, not just explaining coding concepts. It should show you where the real destination is and most importantly, take you there in the most efficient way. Why we emphasize real destination? First of all, you should know a program that can work is very different from a program that can survive in real life. This is like playing a racing game on your phone is definitely not the same as driving a real car on a real track. For example, in our PHP lesson, we will teach you how to create an upload program. We have seen books and courses that only teach how to upload files. If you run that program in real life, it will not last a day. It will do more damage than good. For an upload program to work in real life, you need to check file type and size before letting any file being uploaded. You also need to protect your program from uploading the same file repeatedly by keeping refreshing the uploading page. Uploaded files should be properly renamed and stored. Most importantly, this process must be automatic. Uploaded files must also be retrievable, therefore information about uploaded files should also be automatically recorded into database. If one step is missing, your upload program will not survive the real life environment. This is why we emphasize real destination. We want to show you the whole picture, rather than just a segment of it. Knowing the whole picture is what separates a trustworthy professional programmer from a coding amateur. Apparently the road to the real destination is quite long. This is why a good course should be a navigator. It should show students the best route. When designing our course contents, we acknowledge and most importantly, take in consideration two very important facts: Everybody forgets and you have other things going on in your life and can only partly devote to your study. This means your study will be constantly interrupted and when you resume your study, you might find what you have learnt has become rusty. As a result, all your new knowledge are built on a collapsing foundation. At the end of your study, you will find that despite you have spent time and money, but you just cannot make satisfactory progress. You thought you have learnt everything but just cannot put them together can create a functional program. So how do we solve this problem? We divide our whole course content into small segments. At the end of each segment, there will be a review session summarizing everything you have learnt from that session. When you are creating APPs, we will give a review session on key knowledge as well. Apart from review sessions, we will also help you control your study pace. You will often hear we tell you that if you cannot answer this quiz, do not proceed and review previous lessons. The biggest card up our sleeve is our content table. You might think our upload program lesson starts here. But actually our upload lesson has started long before that. We have started to lay foundations for you since we teach you how to create a file type detector. We divide a complicated program into components and will only add one component at a time. Most importantly, every time we add a new component, we will review the previous components again. In the very end, despite the program we are creating is long and complicated, you will be able to master everything. Show more Show less Udemy Business Teach on Udemy Get the app About us Contact us Careers Blog Help and Support Affiliate Impressum Kontakt Terms Privacy policy Cookie settings Sitemap © 2021 Udemy, Inc. window.handleCSSToggleButtonClick = function (event) { var target = event.currentTarget; var cssToggleId = target && target.dataset && target.dataset.cssToggleId; var input = cssToggleId && document.getElementById(cssToggleId); if (input) { if (input.dataset.type === 'checkbox') { input.dataset.checked = input.dataset.checked ? '' : 'checked'; } else { input.dataset.checked = input.dataset.allowToggle && input.dataset.checked ? '' : 'checked'; var radios = document.querySelectorAll('[name="' + input.dataset.name + '"]'); for (var i = 0; i (function(){window['__CF$cv$params']={r:'677891584af4e684',m:'862738f82b9ec37c3872289089ff4cdf8bdfd2a5-1627752764-1800-AZCGo13b9TPgqsGo0z1H9elZD+i7UUaGFv48vr4Qsmu81+u+V7BPTizvG6ZYkMGlO/sBwQS2WJHa1zt647BeV0s4YQdWJqly1YxCcynIHzkj9s5z6I2ZB4zzN7aCwA8RRR+mvaD+ShYVRbBKvQrNpjCeWbinY2+jI6IeCq2bmn46/kGD2cGKP2T0fd10ylJe4HZLQKaB8EdHm1s/zYelJNk=',s:[0xfc920cb859,0x984fff958d],}})();
  2. code a verification code install a verification code Course content 2 sections • 11 lectures • 42m total length Expand all sections Prepare canvas, ink, and paint brush and do some painting 6 lectures • 18min LESSON-1: Create the canvas, paint brush and ink Preview 01:38 LESSON-2: Create your first blank canvas Preview 02:48 LESSON-3: Create your first ink Preview 03:52 LESSON-4: Get a paint brush and do your first painting Preview 02:21 LESSON-5: Output your work for display and storage Preview 03:46 LESSON-6: Draw a dot, a straight line and a rectangle 03:34 How to create a verification code/ CAPTCHA 5 lectures • 23min LESSON-7: how to write on the blank canvas you just created? 05:56 LESSON-8: how to create the verification code/ CATCHA 02:52 LESSON-9: demonstration of creating the verification code APP 10:04 LESSON-10: how to install and use the verification code? 03:49 and now 2 pages Requirements how to use a PHP function Description You will learn how to create a verification program and how to install and use it. Who this course is for: anyone who wants to be able to process images using PHP Show more Show less Instructor OnlyKiosk Tech Fun, Effective, and Useful Coding Training 4.6 Instructor Rating 2,429 Reviews 20,552 Students 10 Courses No matter where and whom you take your lessons from, you will always have to do all the hard work yourself. You have to spend time and efforts learning, understanding, memorizing and practicing new knowledge. This is NO short-cut here. But a good course can show the best route and help you avoid traps and detours. You can achieve maximum productivity from your time and efforts. Based on user feedback, tech development, and our new thoughts and inspirations, we will keep adding new contents and improving existing ones. We will cover basics as well as advanced applications. You will learn smart and creative tech combinations as well. Web development has been a popular area for years. The internet has accumulated tons of free tutoring videos and materials. Even if you are stuck with questions you cannot solve, just post them on stackoverflow, you will have your answers within a few minutes. With all the free tutoring materials and teachers, what is the point of creating this paid online course? It depends on what you really want. If you just want to have a rough idea of how web apps work and create some basic programs, then there is really no need for you to pay for any courses. Free internet information is more than enough to meet your demands. If you want to be able to turn your design and idea into programs that are safe and efficient enough to be applied in real life and solve all kinds of challenge, then this course is perfect for you. We believe a good online course should also be a navigator, not just explaining coding concepts. It should show you where the real destination is and most importantly, take you there in the most efficient way. Why we emphasize real destination? First of all, you should know a program that can work is very different from a program that can survive in real life. This is like playing a racing game on your phone is definitely not the same as driving a real car on a real track. For example, in our PHP lesson, we will teach you how to create an upload program. We have seen books and courses that only teach how to upload files. If you run that program in real life, it will not last a day. It will do more damage than good. For an upload program to work in real life, you need to check file type and size before letting any file being uploaded. You also need to protect your program from uploading the same file repeatedly by keeping refreshing the uploading page. Uploaded files should be properly renamed and stored. Most importantly, this process must be automatic. Uploaded files must also be retrievable, therefore information about uploaded files should also be automatically recorded into database. If one step is missing, your upload program will not survive the real life environment. This is why we emphasize real destination. We want to show you the whole picture, rather than just a segment of it. Knowing the whole picture is what separates a trustworthy professional programmer from a coding amateur. Apparently the road to the real destination is quite long. This is why a good course should be a navigator. It should show students the best route. When designing our course contents, we acknowledge and most importantly, take in consideration two very important facts: Everybody forgets and you have other things going on in your life and can only partly devote to your study. This means your study will be constantly interrupted and when you resume your study, you might find what you have learnt has become rusty. As a result, all your new knowledge are built on a collapsing foundation. At the end of your study, you will find that despite you have spent time and money, but you just cannot make satisfactory progress. You thought you have learnt everything but just cannot put them together can create a functional program. So how do we solve this problem? We divide our whole course content into small segments. At the end of each segment, there will be a review session summarizing everything you have learnt from that session. When you are creating APPs, we will give a review session on key knowledge as well. Apart from review sessions, we will also help you control your study pace. You will often hear we tell you that if you cannot answer this quiz, do not proceed and review previous lessons. The biggest card up our sleeve is our content table. You might think our upload program lesson starts here. But actually our upload lesson has started long before that. We have started to lay foundations for you since we teach you how to create a file type detector. We divide a complicated program into components and will only add one component at a time. Most importantly, every time we add a new component, we will review the previous components again. In the very end, despite the program we are creating is long and complicated, you will be able to master everything. Show more Show less Udemy Business Teach on Udemy Get the app About us Contact us Careers Blog Help and Support Affiliate Impressum Kontakt Terms Privacy policy Cookie settings Sitemap © 2021 Udemy, Inc. window.handleCSSToggleButtonClick = function (event) { var target = event.currentTarget; var cssToggleId = target && target.dataset && target.dataset.cssToggleId; var input = cssToggleId && document.getElementById(cssToggleId); if (input) { if (input.dataset.type === 'checkbox') { input.dataset.checked = input.dataset.checked ? '' : 'checked'; } else { input.dataset.checked = input.dataset.allowToggle && input.dataset.checked ? '' : 'checked'; var radios = document.querySelectorAll('[name="' + input.dataset.name + '"]'); for (var i = 0; i (function(){window['__CF$cv$params']={r:'677891584af4e684',m:'862738f82b9ec37c3872289089ff4cdf8bdfd2a5-1627752764-1800-AZCGo13b9TPgqsGo0z1H9elZD+i7UUaGFv48vr4Qsmu81+u+V7BPTizvG6ZYkMGlO/sBwQS2WJHa1zt647BeV0s4YQdWJqly1YxCcynIHzkj9s5z6I2ZB4zzN7aCwA8RRR+mvaD+ShYVRbBKvQrNpjCeWbinY2+jI6IeCq2bmn46/kGD2cGKP2T0fd10ylJe4HZLQKaB8EdHm1s/zYelJNk=',s:[0xfc920cb859,0x984fff958d],}})();
  3. install a verification code Course content 2 sections • 11 lectures • 42m total length Expand all sections Prepare canvas, ink, and paint brush and do some painting 6 lectures • 18min LESSON-1: Create the canvas, paint brush and ink Preview 01:38 LESSON-2: Create your first blank canvas Preview 02:48 LESSON-3: Create your first ink Preview 03:52 LESSON-4: Get a paint brush and do your first painting Preview 02:21 LESSON-5: Output your work for display and storage Preview 03:46 LESSON-6: Draw a dot, a straight line and a rectangle 03:34 How to create a verification code/ CAPTCHA 5 lectures • 23min LESSON-7: how to write on the blank canvas you just created? 05:56 LESSON-8: how to create the verification code/ CATCHA 02:52 LESSON-9: demonstration of creating the verification code APP 10:04 LESSON-10: how to install and use the verification code? 03:49 and now 2 pages Requirements how to use a PHP function Description You will learn how to create a verification program and how to install and use it. Who this course is for: anyone who wants to be able to process images using PHP Show more Show less Instructor OnlyKiosk Tech Fun, Effective, and Useful Coding Training 4.6 Instructor Rating 2,429 Reviews 20,552 Students 10 Courses No matter where and whom you take your lessons from, you will always have to do all the hard work yourself. You have to spend time and efforts learning, understanding, memorizing and practicing new knowledge. This is NO short-cut here. But a good course can show the best route and help you avoid traps and detours. You can achieve maximum productivity from your time and efforts. Based on user feedback, tech development, and our new thoughts and inspirations, we will keep adding new contents and improving existing ones. We will cover basics as well as advanced applications. You will learn smart and creative tech combinations as well. Web development has been a popular area for years. The internet has accumulated tons of free tutoring videos and materials. Even if you are stuck with questions you cannot solve, just post them on stackoverflow, you will have your answers within a few minutes. With all the free tutoring materials and teachers, what is the point of creating this paid online course? It depends on what you really want. If you just want to have a rough idea of how web apps work and create some basic programs, then there is really no need for you to pay for any courses. Free internet information is more than enough to meet your demands. If you want to be able to turn your design and idea into programs that are safe and efficient enough to be applied in real life and solve all kinds of challenge, then this course is perfect for you. We believe a good online course should also be a navigator, not just explaining coding concepts. It should show you where the real destination is and most importantly, take you there in the most efficient way. Why we emphasize real destination? First of all, you should know a program that can work is very different from a program that can survive in real life. This is like playing a racing game on your phone is definitely not the same as driving a real car on a real track. For example, in our PHP lesson, we will teach you how to create an upload program. We have seen books and courses that only teach how to upload files. If you run that program in real life, it will not last a day. It will do more damage than good. For an upload program to work in real life, you need to check file type and size before letting any file being uploaded. You also need to protect your program from uploading the same file repeatedly by keeping refreshing the uploading page. Uploaded files should be properly renamed and stored. Most importantly, this process must be automatic. Uploaded files must also be retrievable, therefore information about uploaded files should also be automatically recorded into database. If one step is missing, your upload program will not survive the real life environment. This is why we emphasize real destination. We want to show you the whole picture, rather than just a segment of it. Knowing the whole picture is what separates a trustworthy professional programmer from a coding amateur. Apparently the road to the real destination is quite long. This is why a good course should be a navigator. It should show students the best route. When designing our course contents, we acknowledge and most importantly, take in consideration two very important facts: Everybody forgets and you have other things going on in your life and can only partly devote to your study. This means your study will be constantly interrupted and when you resume your study, you might find what you have learnt has become rusty. As a result, all your new knowledge are built on a collapsing foundation. At the end of your study, you will find that despite you have spent time and money, but you just cannot make satisfactory progress. You thought you have learnt everything but just cannot put them together can create a functional program. So how do we solve this problem? We divide our whole course content into small segments. At the end of each segment, there will be a review session summarizing everything you have learnt from that session. When you are creating APPs, we will give a review session on key knowledge as well. Apart from review sessions, we will also help you control your study pace. You will often hear we tell you that if you cannot answer this quiz, do not proceed and review previous lessons. The biggest card up our sleeve is our content table. You might think our upload program lesson starts here. But actually our upload lesson has started long before that. We have started to lay foundations for you since we teach you how to create a file type detector. We divide a complicated program into components and will only add one component at a time. Most importantly, every time we add a new component, we will review the previous components again. In the very end, despite the program we are creating is long and complicated, you will be able to master everything. Show more Show less Udemy Business Teach on Udemy Get the app About us Contact us Careers Blog Help and Support Affiliate Impressum Kontakt Terms Privacy policy Cookie settings Sitemap © 2021 Udemy, Inc. window.handleCSSToggleButtonClick = function (event) { var target = event.currentTarget; var cssToggleId = target && target.dataset && target.dataset.cssToggleId; var input = cssToggleId && document.getElementById(cssToggleId); if (input) { if (input.dataset.type === 'checkbox') { input.dataset.checked = input.dataset.checked ? '' : 'checked'; } else { input.dataset.checked = input.dataset.allowToggle && input.dataset.checked ? '' : 'checked'; var radios = document.querySelectorAll('[name="' + input.dataset.name + '"]'); for (var i = 0; i (function(){window['__CF$cv$params']={r:'677891584af4e684',m:'862738f82b9ec37c3872289089ff4cdf8bdfd2a5-1627752764-1800-AZCGo13b9TPgqsGo0z1H9elZD+i7UUaGFv48vr4Qsmu81+u+V7BPTizvG6ZYkMGlO/sBwQS2WJHa1zt647BeV0s4YQdWJqly1YxCcynIHzkj9s5z6I2ZB4zzN7aCwA8RRR+mvaD+ShYVRbBKvQrNpjCeWbinY2+jI6IeCq2bmn46/kGD2cGKP2T0fd10ylJe4HZLQKaB8EdHm1s/zYelJNk=',s:[0xfc920cb859,0x984fff958d],}})();