- MFH: Fixed bug #48709 (metaphone and 'wh')

Author: felipensp

ext/standard/metaphone.c

@@ -225,15 +225,14 @@ static int metaphone(unsigned char *word, int word_len, long max_phonemes, char
 			w_idx += 2;
 		}
 		break;
-		/* WH becomes H, 
+		/* WH becomes W, 
 		   WR becomes R 
 		   W if followed by a vowel */
 	case 'W':
-		if (Next_Letter == 'H' ||
-			Next_Letter == 'R') {
+		if (Next_Letter == 'R') {
 			Phonize(Next_Letter);
 			w_idx += 2;
-		} else if (isvowel(Next_Letter)) {
+		} else if (Next_Letter == 'H' || isvowel(Next_Letter)) {
 			Phonize('W');
 			w_idx += 2;
 		}

ext/standard/tests/strings/bug48709.phpt

@@ -0,0 +1,31 @@
+--TEST--
+Bug #48709 (metaphone and 'wh')
+--FILE--
+<?php
+
+/* Initial letter exceptions */
+$exceptions = array(
+	'kn', // Drop first letter
+	'gn', // ditto
+	'pn', // ditto
+	'ae', // ditto
+	'wr', // ditto
+	'x',  // s
+	'wh', // w
+	'wa'  // w
+);	
+	
+foreach ($exceptions as $letter) {
+	printf("%s => %s\n", $letter, metaphone($letter));
+}
+
+?>
+--EXPECT--
+kn => N
+gn => N
+pn => N
+ae => E
+wr => R
+x => S
+wh => W
+wa => W