/jpgraph/docs/classref/AntiSpam.html

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  13. 		</style></HEAD><hr><div style="padding-left:4px;border-left:solid black 1px;border-top:solid black 1px;border-bottom:solid black 2px;border-right:solid black 2px;background-color:#deaa87;font-family:courier new;font-size:16pt;">Class <a class="no" name="_C_ANTISPAM"><b>AntiSpam</b></a></div>
    14. 

  14. <i>(Defined in: jpgraph_antispam.php : 546)</i><br>&nbsp;<br><table cellspaceing=0 cellpadding=4 style="border:solid #303030 1px;"><tr><td align="center" style="background:lightgray;" >&nbsp;<a href="AntiSpam.html" style="font-family:arial;font-weight:bold;color:darkblue;">AntiSpam</a>&nbsp;</td></tr><tr><td valign=top>&nbsp;<a href="AntiSpam.html#_ANTISPAM_RAND">Rand()</a>&nbsp;<br>
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  15. &nbsp;<a href="AntiSpam.html#_ANTISPAM_SET">Set()</a>&nbsp;<br>
    16. 

  16. &nbsp;<a href="AntiSpam.html#_ANTISPAM_STROKE">Stroke()</a>&nbsp;<br>
    17. 

  17. &nbsp;<a href="AntiSpam.html#_ANTISPAM___CONSTRUCT">__construct()</a>&nbsp;<br>
    18. 

  18. </td></tr></table>&nbsp;<p><div style="font-weight:bold;font-family:arial;font-size:100%;">Class usage and Overview</div>This module is used to create AntiSpam challenges that can be used to prevent automatic signup by robots on WEB-pages. <p> &nbsp;
    19. 

  19. <hr><span style="font-family:arial;font-size:120%;font-weight:bold;">Class Methods</span><hr><p>
    20. 

  20. <p> &nbsp; <div style='font-family: helvetica, arial, geneva, sans-serif;margin-bottom:4px;border-left:solid black 1px;border-top:solid black 1px;border-bottom:solid black 2px;border-right:solid black 2px;font-size:120%;background:#dde9af;padding:4px;'><a class="no" name="_ANTISPAM_RAND"><span style="color:#555555;">AntiSpam ::</span><br><b>Rand</b>($aLen)</a></div>
    21. 

  21. 

  22. <span style='font-family:arial;font-size:95%;'><i>Generate a random spam challenge string</i></span><p>
    23. 

  23. 

  24. <table cellspacing=0 style='border:black solid 1pt;' width=100%>
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  25. <tr><th width=25%>Argument</th><th width=15%>Default</th><th width=60%>Description</th></tr>
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  26. <tr><td style='border-right:black solid 1pt;font-family:courier;font-size:100%;font-weight:bold;'><span style="color: #000000">
    27. 

  27. <span style="color: #0000BB">$aLen</span>
    28. 

  28. </span>
    29. 

  29. 

  30. </td><td style='border-right:black solid 1pt;font-family:courier;font-size:100%;font-weight:bold;'>&nbsp;</td><td>Sets the length of the generated string</td></tr>
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  31. </table>
    32. 

  32. 

  33. <div style="font-weight:bold;font-family:arial;font-size:90%;">Description:</div>Instead of specifying the string manually that should be used as a challenge the string can be automatically generated. This is done witha  call to the Rand() method. &nbsp;<br>
    34. 

  34. 

  35. <div style="font-weight:bold;font-family:arial;font-size:90%;"><p>Example:</div><div style="padding:5px;border:dashed gray 1px;background-color:#f3f3f3;font-family:courier new;font-size:90%;font-weight:bold;"><b><span style="color: #000000">
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  36. <span style="color: #0000BB">$antispam&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">AntiSpam</span><span style="color: #007700">();
<br /></span><span style="color: #0000BB">$rval&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$antispam</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">Rand</span><span style="color: #007700">();
<br />...
<br /></span><span style="color: #0000BB"></span>
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  37. </span>
    38. 

  38. </b></div><br>
    39. 

  39. <p>
    40. 

  40. <p> &nbsp; <div style='font-family: helvetica, arial, geneva, sans-serif;margin-bottom:4px;border-left:solid black 1px;border-top:solid black 1px;border-bottom:solid black 2px;border-right:solid black 2px;font-size:120%;background:#dde9af;padding:4px;'><a class="no" name="_ANTISPAM_SET"><span style="color:#555555;">AntiSpam ::</span><br><b>Set</b>($aData)</a></div>
    41. 

  41. 

  42. <span style='font-family:arial;font-size:95%;'><i>Set the spam challenge string</i></span><p>
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  43. 

  44. <table cellspacing=0 style='border:black solid 1pt;' width=100%>
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  45. <tr><th width=25%>Argument</th><th width=15%>Default</th><th width=60%>Description</th></tr>
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  46. <tr><td style='border-right:black solid 1pt;font-family:courier;font-size:100%;font-weight:bold;'><span style="color: #000000">
    47. 

  47. <span style="color: #0000BB">$aData</span>
    48. 

  48. </span>
    49. 

  49. 

  50. </td><td style='border-right:black solid 1pt;font-family:courier;font-size:100%;font-weight:bold;'>&nbsp;</td><td>Spam challenge</td></tr>
    51. 

  51. </table>
    52. 

  52. 

  53. <div style="font-weight:bold;font-family:arial;font-size:90%;">Description:</div>This is an alternative way of specifying the AntiSpam string. This can also be specified in the initial creation of the ANtiSpam object ro be automatically generated with a call to the Rand() method&nbsp;<br>
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  54.  &nbsp; <div style="font-weight:bold;font-family:arial;font-size:90%;">See also:</div><ul><li><a href="AntiSpam.html#_ANTISPAM_RAND">AntiSpam::Rand()</a></ul>
    55. 

  55. <div style="font-weight:bold;font-family:arial;font-size:90%;"><p>Example:</div><div style="padding:5px;border:dashed gray 1px;background-color:#f3f3f3;font-family:courier new;font-size:90%;font-weight:bold;"><b><span style="color: #000000">
    56. 

  56. <span style="color: #0000BB">$antispam&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">AntiSpam</span><span style="color: #007700">();
<br />...
<br /></span><span style="color: #0000BB">$antispam</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">Set</span><span style="color: #007700">(</span><span style="color: #0000BB">$mySpamVal</span><span style="color: #007700">);</span><span style="color: #0000BB"></span>
    57. 

  57. </span>
    58. 

  58. </b></div><br>
    59. 

  59. <p>
    60. 

  60. <p> &nbsp; <div style='font-family: helvetica, arial, geneva, sans-serif;margin-bottom:4px;border-left:solid black 1px;border-top:solid black 1px;border-bottom:solid black 2px;border-right:solid black 2px;font-size:120%;background:#dde9af;padding:4px;'><a class="no" name="_ANTISPAM_STROKE"><span style="color:#555555;">AntiSpam ::</span><br><b>Stroke</b>()</a></div>
    61. 

  61. 

  62. <span style='font-family:arial;font-size:95%;'><i>Send the antispam image back to the browser</i></span><p>
    63. 

  63. <br>
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  64. 

  65. <div style="font-weight:bold;font-family:arial;font-size:90%;">Description:</div>This sends the antispam image back to the browser or to an optional file named as the first and only argument.&nbsp;<br>
    66. 

  66.  &nbsp; <div style="font-weight:bold;font-family:arial;font-size:90%;">See also:</div><ul><li><a href="AntiSpam.html#_ANTISPAM___CONSTRUCT">AntiSpam::__construct()</a><li><a href="AntiSpam.html#_ANTISPAM_RAND">AntiSpam::Rand()</a></ul>
    67. 

  67. <div style="font-weight:bold;font-family:arial;font-size:90%;"><p>Example:</div><div style="padding:5px;border:dashed gray 1px;background-color:#f3f3f3;font-family:courier new;font-size:90%;font-weight:bold;"><b><span style="color: #000000">
    68. 

  68. <span style="color: #0000BB">$antispam&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">AntiSpam</span><span style="color: #007700">();
<br /></span><span style="color: #0000BB">$rval&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$antispam</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">Rand</span><span style="color: #007700">();
<br />...
<br /></span><span style="color: #0000BB">$antispam</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">Stroke</span><span style="color: #007700">()</span><span style="color: #0000BB"></span>
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  69. </span>
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  70. </b></div><br>
    71. 

  71. <p>
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  72. <p> &nbsp; <div style='font-family: helvetica, arial, geneva, sans-serif;margin-bottom:4px;border-left:solid black 1px;border-top:solid black 1px;border-bottom:solid black 2px;border-right:solid black 2px;font-size:120%;background:#dde9af;padding:4px;'><a class="no" name="_ANTISPAM___CONSTRUCT"><span style="color:#555555;">AntiSpam ::</span><br><b>__construct</b>($aData)</a></div>
    73. 

  73. 

  74. <span style='font-family:arial;font-size:95%;'><i>Create a new ANtiSpam challenge image</i></span><p>
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  75. 

  76. <table cellspacing=0 style='border:black solid 1pt;' width=100%>
    77. 

  77. <tr><th width=25%>Argument</th><th width=15%>Default</th><th width=60%>Description</th></tr>
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  78. <tr><td style='border-right:black solid 1pt;font-family:courier;font-size:100%;font-weight:bold;'><span style="color: #000000">
    79. 

  79. <span style="color: #0000BB">$aData</span>
    80. 

  80. </span>
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  81. 

  82. </td><td style='border-right:black solid 1pt;font-family:courier;font-size:100%;font-weight:bold;'><span style="color: #000000">
    83. 

  83. <span style="color: #0000BB"></span><span style="color: #DD0000">''</span><span style="color: #0000BB"></span>
    84. 

  84. </span>
    85. 

  85. </td><td>Data to be displayed</td></tr>
    86. 

  86. </table>
    87. 

  87. 

  88. <div style="font-weight:bold;font-family:arial;font-size:90%;">Description:</div>This method creates a new instance of the AntiSpam challenge. When the anti-spam imga eis created it is possible to directly use a supplied data string that should be displayed.

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  89. 

    90. 

  90. The data can also be added afterwards with a call to Set()&nbsp;<br>
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  91.  &nbsp; <div style="font-weight:bold;font-family:arial;font-size:90%;">See also:</div><ul><li><a href="AntiSpam.html#_ANTISPAM_SET">AntiSpam::Set()</a><li><a href="AntiSpam.html#_ANTISPAM_RAND">AntiSpam::Rand()</a></ul>
    92. 

  92. <div style="font-weight:bold;font-family:arial;font-size:90%;"><p>Example:</div><div style="padding:5px;border:dashed gray 1px;background-color:#f3f3f3;font-family:courier new;font-size:90%;font-weight:bold;"><b><span style="color: #000000">
    93. 

  93. <span style="color: #0000BB">$spam&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">AntiSpam</span><span style="color: #007700">();</span><span style="color: #0000BB"></span>
    94. 

  94. </span>
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  95. </b></div><br>
    96. 

  96. <p> <hr> <p></html>
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