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+<?php defined("SYSPATH") or die("No direct script access.");
+class LoremIpsumGenerator {
+ /**
+ * Copyright (c) 2009, Mathew Tinsley (tinsley@tinsology.net)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the organization nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY MATHEW TINSLEY ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+ private $words, $wordsPerParagraph, $wordsPerSentence;
+
+ function __construct($wordsPer = 100)
+ {
+ $this->wordsPerParagraph = $wordsPer;
+ $this->wordsPerSentence = 24.460;
+ $this->words = array(
+ 'lorem',
+ 'ipsum',
+ 'dolor',
+ 'sit',
+ 'amet',
+ 'consectetur',
+ 'adipiscing',
+ 'elit',
+ 'curabitur',
+ 'vel',
+ 'hendrerit',
+ 'libero',
+ 'eleifend',
+ 'blandit',
+ 'nunc',
+ 'ornare',
+ 'odio',
+ 'ut',
+ 'orci',
+ 'gravida',
+ 'imperdiet',
+ 'nullam',
+ 'purus',
+ 'lacinia',
+ 'a',
+ 'pretium',
+ 'quis',
+ 'congue',
+ 'praesent',
+ 'sagittis',
+ 'laoreet',
+ 'auctor',
+ 'mauris',
+ 'non',
+ 'velit',
+ 'eros',
+ 'dictum',
+ 'proin',
+ 'accumsan',
+ 'sapien',
+ 'nec',
+ 'massa',
+ 'volutpat',
+ 'venenatis',
+ 'sed',
+ 'eu',
+ 'molestie',
+ 'lacus',
+ 'quisque',
+ 'porttitor',
+ 'ligula',
+ 'dui',
+ 'mollis',
+ 'tempus',
+ 'at',
+ 'magna',
+ 'vestibulum',
+ 'turpis',
+ 'ac',
+ 'diam',
+ 'tincidunt',
+ 'id',
+ 'condimentum',
+ 'enim',
+ 'sodales',
+ 'in',
+ 'hac',
+ 'habitasse',
+ 'platea',
+ 'dictumst',
+ 'aenean',
+ 'neque',
+ 'fusce',
+ 'augue',
+ 'leo',
+ 'eget',
+ 'semper',
+ 'mattis',
+ 'tortor',
+ 'scelerisque',
+ 'nulla',
+ 'interdum',
+ 'tellus',
+ 'malesuada',
+ 'rhoncus',
+ 'porta',
+ 'sem',
+ 'aliquet',
+ 'et',
+ 'nam',
+ 'suspendisse',
+ 'potenti',
+ 'vivamus',
+ 'luctus',
+ 'fringilla',
+ 'erat',
+ 'donec',
+ 'justo',
+ 'vehicula',
+ 'ultricies',
+ 'varius',
+ 'ante',
+ 'primis',
+ 'faucibus',
+ 'ultrices',
+ 'posuere',
+ 'cubilia',
+ 'curae',
+ 'etiam',
+ 'cursus',
+ 'aliquam',
+ 'quam',
+ 'dapibus',
+ 'nisl',
+ 'feugiat',
+ 'egestas',
+ 'class',
+ 'aptent',
+ 'taciti',
+ 'sociosqu',
+ 'ad',
+ 'litora',
+ 'torquent',
+ 'per',
+ 'conubia',
+ 'nostra',
+ 'inceptos',
+ 'himenaeos',
+ 'phasellus',
+ 'nibh',
+ 'pulvinar',
+ 'vitae',
+ 'urna',
+ 'iaculis',
+ 'lobortis',
+ 'nisi',
+ 'viverra',
+ 'arcu',
+ 'morbi',
+ 'pellentesque',
+ 'metus',
+ 'commodo',
+ 'ut',
+ 'facilisis',
+ 'felis',
+ 'tristique',
+ 'ullamcorper',
+ 'placerat',
+ 'aenean',
+ 'convallis',
+ 'sollicitudin',
+ 'integer',
+ 'rutrum',
+ 'duis',
+ 'est',
+ 'etiam',
+ 'bibendum',
+ 'donec',
+ 'pharetra',
+ 'vulputate',
+ 'maecenas',
+ 'mi',
+ 'fermentum',
+ 'consequat',
+ 'suscipit',
+ 'aliquam',
+ 'habitant',
+ 'senectus',
+ 'netus',
+ 'fames',
+ 'quisque',
+ 'euismod',
+ 'curabitur',
+ 'lectus',
+ 'elementum',
+ 'tempor',
+ 'risus',
+ 'cras' );
+ }
+
+ function getContent($count, $format = 'html', $loremipsum = true)
+ {
+ $format = strtolower($format);
+
+ if($count <= 0)
+ return '';
+
+ switch($format)
+ {
+ case 'txt':
+ return $this->getText($count, $loremipsum);
+ case 'plain':
+ return $this->getPlain($count, $loremipsum);
+ default:
+ return $this->getHTML($count, $loremipsum);
+ }
+ }
+
+ private function getWords(&$arr, $count, $loremipsum)
+ {
+ $i = 0;
+ if($loremipsum)
+ {
+ $i = 2;
+ $arr[0] = 'lorem';
+ $arr[1] = 'ipsum';
+ }
+
+ for($i; $i < $count; $i++)
+ {
+ $index = array_rand($this->words);
+ $word = $this->words[$index];
+ //echo $index . '=>' . $word . '<br />';
+
+ if($i > 0 && $arr[$i - 1] == $word)
+ $i--;
+ else
+ $arr[$i] = $word;
+ }
+ }
+
+ private function getPlain($count, $loremipsum, $returnStr = true)
+ {
+ $words = array();
+ $this->getWords($words, $count, $loremipsum);
+ //print_r($words);
+
+ $delta = $count;
+ $curr = 0;
+ $sentences = array();
+ while($delta > 0)
+ {
+ $senSize = $this->gaussianSentence();
+ //echo $curr . '<br />';
+ if(($delta - $senSize) < 4)
+ $senSize = $delta;
+
+ $delta -= $senSize;
+
+ $sentence = array();
+ for($i = $curr; $i < ($curr + $senSize); $i++)
+ $sentence[] = $words[$i];
+
+ $this->punctuate($sentence);
+ $curr = $curr + $senSize;
+ $sentences[] = $sentence;
+ }
+
+ if($returnStr)
+ {
+ $output = '';
+ foreach($sentences as $s)
+ foreach($s as $w)
+ $output .= $w . ' ';
+
+ return $output;
+ }
+ else
+ return $sentences;
+ }
+
+ private function getText($count, $loremipsum)
+ {
+ $sentences = $this->getPlain($count, $loremipsum, false);
+ $paragraphs = $this->getParagraphArr($sentences);
+
+ $paragraphStr = array();
+ foreach($paragraphs as $p)
+ {
+ $paragraphStr[] = $this->paragraphToString($p);
+ }
+
+ $paragraphStr[0] = "\t" . $paragraphStr[0];
+ return implode("\n\n\t", $paragraphStr);
+ }
+
+ private function getParagraphArr($sentences)
+ {
+ $wordsPer = $this->wordsPerParagraph;
+ $sentenceAvg = $this->wordsPerSentence;
+ $total = count($sentences);
+
+ $paragraphs = array();
+ $pCount = 0;
+ $currCount = 0;
+ $curr = array();
+
+ for($i = 0; $i < $total; $i++)
+ {
+ $s = $sentences[$i];
+ $currCount += count($s);
+ $curr[] = $s;
+ if($currCount >= ($wordsPer - round($sentenceAvg / 2.00)) || $i == $total - 1)
+ {
+ $currCount = 0;
+ $paragraphs[] = $curr;
+ $curr = array();
+ //print_r($paragraphs);
+ }
+ //print_r($paragraphs);
+ }
+
+ return $paragraphs;
+ }
+
+ private function getHTML($count, $loremipsum)
+ {
+ $sentences = $this->getPlain($count, $loremipsum, false);
+ $paragraphs = $this->getParagraphArr($sentences);
+ //print_r($paragraphs);
+
+ $paragraphStr = array();
+ foreach($paragraphs as $p)
+ {
+ $paragraphStr[] = "<p>\n" . $this->paragraphToString($p, true) . '</p>';
+ }
+
+ //add new lines for the sake of clean code
+ return implode("\n", $paragraphStr);
+ }
+
+ private function paragraphToString($paragraph, $htmlCleanCode = false)
+ {
+ $paragraphStr = '';
+ foreach($paragraph as $sentence)
+ {
+ foreach($sentence as $word)
+ $paragraphStr .= $word . ' ';
+
+ if($htmlCleanCode)
+ $paragraphStr .= "\n";
+ }
+ return $paragraphStr;
+ }
+
+ /*
+ * Inserts commas and periods in the given
+ * word array.
+ */
+ private function punctuate(& $sentence)
+ {
+ $count = count($sentence);
+ $sentence[$count - 1] = $sentence[$count - 1] . '.';
+
+ if($count < 4)
+ return $sentence;
+
+ $commas = $this->numberOfCommas($count);
+
+ for($i = 1; $i <= $commas; $i++)
+ {
+ $index = (int) round($i * $count / ($commas + 1));
+
+ if($index < ($count - 1) && $index > 0)
+ {
+ $sentence[$index] = $sentence[$index] . ',';
+ }
+ }
+ }
+
+ /*
+ * Determines the number of commas for a
+ * sentence of the given length. Average and
+ * standard deviation are determined superficially
+ */
+ private function numberOfCommas($len)
+ {
+ $avg = (float) log($len, 6);
+ $stdDev = (float) $avg / 6.000;
+
+ return (int) round($this->gauss_ms($avg, $stdDev));
+ }
+
+ /*
+ * Returns a number on a gaussian distribution
+ * based on the average word length of an english
+ * sentence.
+ * Statistics Source:
+ * http://hearle.nahoo.net/Academic/Maths/Sentence.html
+ * Average: 24.46
+ * Standard Deviation: 5.08
+ */
+ private function gaussianSentence()
+ {
+ $avg = (float) 24.460;
+ $stdDev = (float) 5.080;
+
+ return (int) round($this->gauss_ms($avg, $stdDev));
+ }
+
+ /*
+ * The following three functions are used to
+ * compute numbers with a guassian distrobution
+ * Source:
+ * http://us.php.net/manual/en/function.rand.php#53784
+ */
+ private function gauss()
+ { // N(0,1)
+ // returns random number with normal distribution:
+ // mean=0
+ // std dev=1
+
+ // auxilary vars
+ $x=$this->random_0_1();
+ $y=$this->random_0_1();
+
+ // two independent variables with normal distribution N(0,1)
+ $u=sqrt(-2*log($x))*cos(2*pi()*$y);
+ $v=sqrt(-2*log($x))*sin(2*pi()*$y);
+
+ // i will return only one, couse only one needed
+ return $u;
+ }
+
+ private function gauss_ms($m=0.0,$s=1.0)
+ {
+ return $this->gauss()*$s+$m;
+ }
+
+ private function random_0_1()
+ {
+ return (float)rand()/(float)getrandmax();
+ }
+
+} \ No newline at end of file
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-13 08:21:44 +0000