Captcha for Laravel
, (*1)
Install
Edit your composer.json file, (*2)
Laravel 4
"require": {
...
"thytanium/captcha": "1.*"
}
Laravel 5
"require": {
...
"thytanium/captcha": "2.*"
}
Run composer update to install the package.
Then add the following to app.php, (*3)
'providers' => array(
...
'Thytanium\Captcha\CaptchaServiceProvider',
);
'aliases' => array(
'Captcha' => 'Thytanium\Captcha\Facades\Captcha',
);
Then, you have to publish the configuration file., (*4)
php artisan vendor:publish --provider="Thytanium\Captcha\CaptchaServiceProvider"
Use
To use it just put this HTML code in your form next to a text input., (*5)
<img src="{{URL::to('captcha')}}">
Validate
To validate the entered text into the input, put this in your validation rules:, (*6)
$rules = [
'text_input' => 'required|captcha'
];
Validator::make($rules, Input::all());
Options
You can edit config/captcha.php configuration file to change behavior of captcha., (*7)
String length
By default, string length is 6 characters.
You can change it to whatever length you want.
Remember, you might have to change width also, is not auto-calculated., (*8)
'length' => 6
Width and height
By defaut, width and height are 200px x 50px.
You can change it to any other size., (*9)
'width' => 200,
'height' => 50
Case sensitive
By default case verification is enabled.
Change it to false to disable it., (*10)
'case_sensitive' => true
Letters case
If you want the captcha to show only upper letters, lower letters or mixed., (*11)
'case' => 'upper' //For upper case letters only
'case' => 'lower' //For lower case letters only
'case' => 'mixed' //For both upper and lower case
Show letters/numbers
If you want a captcha with letters only:, (*12)
'letters' => true,
'numbers' => false
If you want a captcha with numbers only:, (*13)
'letters' => false,
'numbers' => true
If you want a captcha with both letters and numbers:, (*14)
'letters' => true,
'numbers' => true
Character angle
By default, character angle is 15.
This will generate an captcha with characters angle between 0 and 15 degrees.
Change it to whatever you want. If you want the characters in "straight" way, just put this value to 0 (zero)., (*15)
'angle' => 15
Separation
This is separation between characters. Default is 30. The higher the more separated., (*16)
'separation' => 30,
Background grid
By default, background shows 20 vertical lines and 5 horizontal lines (one every 10 pixels).
You can show as many lines as you want., (*17)
'h_lines' => 5, //Horizontal lines
'v_lines' => 20 //Vertical lines
Colors
Colors must be provided in RGB notation [rrr,ggg,bbb]., (*18)
Background color
By default is 250,250,250 (almost white), (*19)
'background' => [250, 250, 250]
Line color
By default is 220,220,220 (very light gray), (*20)
'line_color' => [220, 220, 220]
Font colors
This is an array of choices. You can add as many colors as you want and the characters will rendered is this colors randomly., (*21)
'colors' => [
[0, 83, 160],
[33, 125, 211],
[30, 134, 232],
[11, 72, 130],
[13, 119, 219],
[0, 102, 150],
[51, 113, 142],
],
Font
This package works with TrueType (.ttf) fonts., (*22)
Four font choices are already provided: Prototype (default), Impact, BrianJames and Spinwerad. All of them thanks to 1001freefonts., (*23)
Prototype
'font' => 'Prototype' //Ignore .ttf extension
, (*24)
Impact
'font' => 'Impact' //Ignore .ttf extension
, (*25)
BrianJames
'font' => 'BrianJames' //Ignore .ttf extension
, (*26)
Spinwerad
'font' => 'Spinwerad' //Ignore .ttf extension
, (*27)
Font size
By default, font size is 30px. Change it to whatever you want., (*28)
'size' => 30
Image quality
By default, and I recommend to keep it that way, image quality is 100., (*29)
'quality' => 100,
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