← All changes | includes/ai/class-metadata-generator.php +51 -15 1.32.0 → 2.9.0 View file →

		@@ -96,30 +96,47 @@
96	96	* @return array Generated metadata
97	97	* @throws \Exception If generation fails
98	98	*/
99	99	public function generate_for_post(int $post_id, array $options = []): array {
	100	+ $metadata = $this->suggest_for_post($post_id, $options);
	101	+
	102	+ // Save metadata to post meta
	103	+ $this->save_post_metadata($post_id, $metadata);
	104	+
	105	+ return $metadata;
	106	+ }
	107	+
	108	+ /**
	109	+ * Generate metadata for a post without writing anything.
	110	+ *
	111	+ * The same generation as {@see self::generate_for_post()}, minus the save.
	112	+ * Bulk Snippets shows the result for review and writes only when the user
	113	+ * clicks Save, so it must never persist as a side effect (#727).
	114	+ *
	115	+ * @since 2.8.0
	116	+ *
	117	+ * @param int $post_id Post ID.
	118	+ * @param array $options Generation options.
	119	+ * @return array Generated metadata.
	120	+ * @throws \Exception If the post is missing or generation fails.
	121	+ */
	122	+ public function suggest_for_post(int $post_id, array $options = []): array {
100	123	$post = get_post($post_id);
101		-
	124	+
102	125	if (!$post) {
103	126	throw new \Exception('Post not found');
104	127	}
105		-
	128	+
106	129	// Extract content from post
107	130	$content = $this->extract_post_content($post);
108		-
	131	+
109	132	// Add post-specific options
110	133	$options = array_merge($options, [
111	134	'content_type' => $this->determine_content_type($post),
112	135	'post_id' => $post_id,
113	136	]);
114		-
115		- // Generate metadata
116		- $metadata = $this->generate_for_content($content, $options);
117		-
118		- // Save metadata to post meta
119		- $this->save_post_metadata($post_id, $metadata);
120		-
121		- return $metadata;
	137	+
	138	+ return $this->generate_for_content($content, $options);
122	139	}
123	140
124	141	/**
125	142	* Generate multiple variations of metadata
		@@ -202,11 +219,12 @@
202	219	// Trim and limit length for AI processing
203	220	$content = trim($content);
204	221	$max_length = 4000; // Reasonable limit for AI processing
205	222
206		- if (strlen($content) > $max_length) {
207		- $content = substr($content, 0, $max_length) . '...';
208		- }
	223	+ // strlen()/substr() count BYTES: on Thai or CJK this handed the model a
	224	+ // third of the intended content, and cut the last character in half so
	225	+ // the payload carried an invalid UTF-8 sequence (#687).
	226	+ $content = \ThinkRank\Core\Seo_Text::trim_to_length($content, $max_length);
209	227
210	228	return $content;
211	229	}
212	230
		@@ -358,9 +376,27 @@
358	376	$words = str_word_count($text, 1);
359	377	$syllables = 0;
360	378
361	379	foreach ($words as $word) {
362		- $syllables += max(1, preg_match_all('/[aeiouy]+/i', $word));
	380	+ $word = preg_replace('/[^a-z]/', '', strtolower($word));
	381	+ if ($word === '') {
	382	+ continue;
	383	+ }
	384	+
	385	+ $groups = preg_match_all('/[aeiouy]+/', $word);
	386	+
	387	+ // Standard Flesch heuristic: a trailing silent e does not form a
	388	+ // syllable ("make", "time", "these") — but only when a consonant
	389	+ // precedes it (a vowel+e ending like "movie" already shares its
	390	+ // group) and never for consonant-le ("table"), which does count.
	391	+ // Without this the counter inflated syllables/word by ~0.2-0.3 on
	392	+ // ordinary prose, driving raw Flesch negative and the UI to a
	393	+ // clamped "Very Difficult (0)" (#407).
	394	+ if ($groups > 1 && preg_match('/[^aeiouy]e$/', $word) && !str_ends_with($word, 'le')) {
	395	+ $groups--;
	396	+ }
	397	+
	398	+ $syllables += max(1, $groups);
363	399	}
364	400
365	401	return $syllables;
366	402	}