01c08-1.php

来自「介绍PHP5的给类型函数应用」· PHP 代码 · 共 43 行

<?php
// A function to check a string for bad spelling, and offer replacements.
function spellcheck_string($str) {
	// First we must initialize pspell and tell it to use English
	$dict = pspell_new('en');

	// Now grab every word in this string, referenced by its position
	$words = str_word_count($str, 2);
	
	// Reverse the words, so that we can backwards, from end to start.
	$rwords = array_reverse($words, true);
	foreach ($rwords as $pos => $word) {
		// If it is NOT spelled correctly
		if (!(pspell_check($dict, $word))) {
			// Determine a list of suggestions:
			$suggestions = pspell_suggest($dict, $word);

			// Generate a droplist with current word and all suggestions:
			$list = '<select name=\"position[{$pos}]\">';
			$list .= "<option value=\"{$word}\">{$word}</option>";
			foreach ($suggestions as $s) {
				$list .= "<option value=\"{$s}\">{$s}</option>";
			}
			$list .= '</select>';
			
			// Now, insert this into the original string in place
			//  of the original word.
			$str = substr_replace($str, $list, $pos, strlen($word));
		}
	}

	// Return the string surround by a form so that the form will display
	echo "<form>{$str}</form>";
}

$test_string = "My speling is not the bset.  I oftan end up with 
rong characters in my sentenences.";

// Spellcheck the text, output is similar to:
// My [speling] is not the [bset].  I [oftan] end up with 
// [rong] characters in my [sentenences].
spellcheck_string($test_string);
?>