Element index for package Securimage
[ a ]
[ b ]
[ c ]
[ d ]
[ g ]
[ i ]
[ l ]
[ m ]
[ n ]
[ o ]
[ p ]
[ r ]
[ s ]
[ t ]
[ u ]
[ w ]
a
- $audio_format
- in file securimage.php, variable Securimage::$audio_format
Type of audio file to generate (mp3 or wav)
- $audio_path
- in file securimage.php, variable Securimage::$audio_path
Full path to the WAV files to use to make the audio files, include trailing /.
Name Files [A-Z0-9].wav
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c
- $charset
- in file securimage.php, variable Securimage::$charset
The character set for individual characters in the image.
Letters are converted to uppercase.
The font must support the letters or there may be problematic substitutions.
- $code_length
- in file securimage.php, variable Securimage::$code_length
The length of the code to generate.
- check
- in file securimage.php, method Securimage::check()
Validate the code entered by the user.
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d
- $draw_lines_over_text
- in file securimage.php, variable Securimage::$draw_lines_over_text
Draw the lines over the text.
If fales lines will be drawn before putting the text on the image.
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g
- $g
- in file securimage.php, variable Securimage_Color::$g
Green component: 0-255
- $gd_font_file
- in file securimage.php, variable Securimage::$gd_font_file
Note: Use of GD fonts is not recommended as many distortion features are not available
The GD font to use.
Internal gd fonts can be loaded by their number.
Alternatively, a file path can be given and the font will be loaded from file.
- $gd_font_size
- in file securimage.php, variable Securimage::$gd_font_size
The approximate size of the font in pixels.
This does not control the size of the font because that is determined by the GD font itself.
This is used to aid the calculations of positioning used by this class.
- getAudibleCode
- in file securimage.php, method Securimage::getAudibleCode()
Get WAV or MP3 file data of the spoken code.
This is appropriate for output to the browser as audio/x-wav or audio/mpeg
- getCode
- in file securimage.php, method Securimage::getCode()
Get the captcha code
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i
- $image_bg_color
- in file securimage.php, variable Securimage::$image_bg_color
The background color for the image as a Securimage_Color.
- $image_height
- in file securimage.php, variable Securimage::$image_height
The desired width of the CAPTCHA image.
- $image_signature
- in file securimage.php, variable Securimage::$image_signature
Text to write at the bottom corner of captcha image
- $image_type
- in file securimage.php, variable Securimage::$image_type
The image format for output.
Valid options: SI_IMAGE_PNG, SI_IMAGE_JPG, SI_IMAGE_GIF
- $image_width
- in file securimage.php, variable Securimage::$image_width
The desired width of the CAPTCHA image.
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m
- $multi_text_color
- in file securimage.php, variable Securimage::$multi_text_color
Array of Securimage_Colors which will be randomly selected for each letter.
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n
- $num_lines
- in file securimage.php, variable Securimage::$num_lines
Draw vertical and horizontal lines on the image.
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p
- $perturbation
- in file securimage.php, variable Securimage::$perturbation
How much to distort image, higher = more distortion.
Distortion is only available when using TTF fonts.
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s
- $session_name
- in file securimage.php, variable Securimage::$session_name
The session name to use if not the default. Blank for none
- $signature_color
- in file securimage.php, variable Securimage::$signature_color
Color to use for writing signature text
- Securimage
- in file securimage.php, method Securimage::Securimage()
Class constructor.
Because the class uses sessions, this will attempt to start a session if there is no previous one.
If you do not start a session before calling the class, the constructor must be called before any output is sent to the browser.
- Securimage
- in file securimage.php, class Securimage
Securimage CAPTCHA Class.
- securimage.php
- procedural page securimage.php
- Securimage_Color
- in file securimage.php, method Securimage_Color::Securimage_Color()
Create a new Securimage_Color object.
- Securimage_Color
- in file securimage.php, class Securimage_Color
Color object for Securimage CAPTCHA
- setAudioPath
- in file securimage.php, method Securimage::setAudioPath()
Set the path to the audio directory.
- show
- in file securimage.php, method Securimage::show()
Generate a code and output the image to the browser.
- SI_IMAGE_GIF
- in file securimage.php, constant SI_IMAGE_GIF
Output images in GIF format
- SI_IMAGE_JPEG
- in file securimage.php, constant SI_IMAGE_JPEG
Output images in JPEG format
- SI_IMAGE_PNG
- in file securimage.php, constant SI_IMAGE_PNG
Output images in PNG format
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t
- $text_angle_maximum
- in file securimage.php, variable Securimage::$text_angle_maximum
The minimum angle in degrees, with 0 degrees being left-to-right reading text.
Higher values represent a counter-clockwise rotation.
For example, a value of 90 would result in bottom-to-top reading text.
- $text_angle_minimum
- in file securimage.php, variable Securimage::$text_angle_minimum
The minimum angle in degrees, with 0 degrees being left-to-right reading text.
- $text_color
- in file securimage.php, variable Securimage::$text_color
The text color to use for drawing characters as a Securimage_Color.
This value is ignored if $use_multi_text is set to true.
Make sure this contrasts well with the background color or image.
- $text_transparency_percentage
- in file securimage.php, variable Securimage::$text_transparency_percentage
The percentage of transparency, 0 to 100.
A value of 0 is completely opaque, 100 is completely transparent (invisble)
- $text_x_start
- in file securimage.php, variable Securimage::$text_x_start
The X-Position on the image where letter drawing will begin.
This value is in pixels from the left side of the image.
- $ttf_file
- in file securimage.php, variable Securimage::$ttf_file
The path to the TTF font file to load.
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