sakhradam

word-count.php

@@ -0,0 +1,43 @@
+<?php
+class Phrase
+{
+	protected $phrase;
+	protected $wordCount = [];
+	public function __construct($phrase) {
+		$this->phrase = $phrase;
+		$this->setWordCount();
+	}
+	public function wordCount() {
+		return $this->wordCount;
+	}
+	protected function setWordCount() {
+		$this->wordCount = PhraseUtils::getCount($this->phrase);
+	}
+}
+final class PhraseUtils
+{
+	public static function lower($phrase) {
+		return strtolower($phrase);
+	}
+	public static function normalize($phrase) {
+		return trim(preg_replace( "/[^0-9a-z]+/i", " ", $phrase));
+	}
+	public static function toArray($normalizedPhrase) {
+		return explode(' ', $normalizedPhrase);
+	}
+	public static function getCount($phrase) {
+		$wordCount = [];
+		$words = self::toArray(self::normalize(self::lower($phrase)));
+		foreach($words as $word) {
+			if (!in_array($word, array_keys($wordCount))) {
+				$wordCount[$word] = 0;
+			}
+			$wordCount[$word]++;
+		}
+		return $wordCount;
+	}
+}
+function wordCount($phrase) {
+	$phraseInstance = new Phrase($phrase);
+	return $phraseInstance->wordCount();
+}