WebCode/webcode9/word_table.php · CXMan/StudyStudio

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WebCode

webcode9

word_table.php

word_table.php 1.75 KB

<!DOCTYPE html>

<!--	word_table.php
 
 Uses a function to split a given string of text into

its constituant words. It also determines the frequency of

occurrence of each word. The words are separated by whitespace

or punctuation, possibly followed by whitespace. The

punctuation can be a period, a comma, a semicolon, a colon,

an exclamation point, or a questionmark.
 
 The main driver program calls the function and displays

the results.
	
	-->

<head> 
 <title> word_table.php </title>
 <meta charset = "utf-8" />
 
</head>

<body>

<?php

// Function splitter

// Parameter: a string of text containing words and punctuation

// Returns: an array in which the unique words of the string are

// the keys and their frequencies are the values.

function splitter($str) {

// Create the empty word frequency array

$freq = array();

// Split the parameter string into words

$words = preg_split("/[ .,;:!?]\s*/", $str);

// Loop to count the words (either increment or initialize to 1)

foreach ($words as $word) {
 
 $keys = array_keys($freq);
 
 if(in_array($word, $keys))
 
 $freq[$word]++;

else

$freq[$word] = 1;

}

return $freq;

} #** End of splitter

// Main test driver

$str = "apples are good for you, or don't you like apples?
 
 or maybe you like oranges better than apples";

// Call splitter

$tbl = splitter($str);

// Display the words and their frequencies

print "<br /> Word Frequency <br /><br />";

$sorted_keys = array_keys($tbl);

sort($sorted_keys);
 
 foreach ($sorted_keys as $word)

print "$word $tbl[$word] <br />";

</body>

</html>

一键复制编辑原始数据按行查看历史

JoyPoint 提交于 2019年10月07日 16:08 +08:00 . WebCode v1.0

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121

<!DOCTYPE html>


<!--	word_table.php

 Uses a function to split a given string of text into

 its constituant words. It also determines the frequency of

 occurrence of each word. The words are separated by whitespace

 or punctuation, possibly followed by whitespace. The

 punctuation can be a period, a comma, a semicolon, a colon,

 an exclamation point, or a questionmark.

 The main driver program calls the function and displays

 the results.

	-->

<html lang = "en">

 <head> 
 <title> word_table.php </title>
 <meta charset = "utf-8" />
 
</head>

 <body>

 <?php


// Function splitter

// Parameter: a string of text containing words and punctuation

// Returns: an array in which the unique words of the string are

// the keys and their frequencies are the values.


 function splitter($str) {



// Create the empty word frequency array


 $freq = array();



// Split the parameter string into words


 $words = preg_split("/[ .,;:!?]\s*/", $str);



// Loop to count the words (either increment or initialize to 1)


 foreach ($words as $word) {
 
 $keys = array_keys($freq);
 
 if(in_array($word, $keys))
 
 $freq[$word]++;

 else

 $freq[$word] = 1;

 }


 return $freq;

 } #** End of splitter



// Main test driver


 $str = "apples are good for you, or don't you like apples?

 or maybe you like oranges better than apples";



// Call splitter


 $tbl = splitter($str);



// Display the words and their frequencies


 print "<br /> Word Frequency <br /><br />";

 $sorted_keys = array_keys($tbl);

 sort($sorted_keys);
 
 foreach ($sorted_keys as $word)

 print "$word$tbl[$word] <br />";

 ?>

 </body>

</html>