require_once __DIR__.'/includes/hashtag_library.php'; /** * Generate 15–20 Instagram hashtags using the 'Staircase Method' */ function generate_instagram_hashtags(string $title): array { global $HASHTAG_LIBRARY; $titleLower = mb_strtolower($title, 'UTF-8'); // 1. Determine Niche $niche = 'general'; $nicheMap = [ 'funny' => '/(funny|comedy|meme|lol|humor|joke|laugh)/i', 'gaming' => '/(gaming|game|pubg|valorant|bgmi|freefire|xbox|playstation|clutch)/i', 'love' => '/(love|romantic|couple|relationship|heart|sad|shayari)/i', 'motivation' => '/(motivation|inspire|success|hustle|grind|goal|business)/i', 'tech' => '/(tech|technology|ai|coding|web|software|phone|gadget)/i' ]; foreach($nicheMap as $key => $pattern) { if (preg_match($pattern, $titleLower)) { $niche = $key; break; } } // 2. Select Tags (Staircase Method) $nicheTags = $HASHTAG_LIBRARY[$niche]; $generalTags = $HASHTAG_LIBRARY['general']; $easy = []; $medium = []; $hard = []; // Helper to categorize $categorize = function($tagArray) use (&$easy, &$medium, &$hard) { foreach($tagArray as $t) { if ($t['diff'] === 'Easy') $easy[] = $t; elseif ($t['diff'] === 'Medium') $medium[] = $t; else $hard[] = $t; } }; $categorize($nicheTags); if ($niche !== 'general') { $categorize($generalTags); } // Unique check $easy = array_values(array_unique($easy, SORT_REGULAR)); $medium = array_values(array_unique($medium, SORT_REGULAR)); $hard = array_values(array_unique($hard, SORT_REGULAR)); shuffle($easy); shuffle($medium); shuffle($hard); // Build balanced set (Aim for ~20) // 7 Easy, 7 Medium, 6 Hard $results = array_merge( array_slice($easy, 0, 8), array_slice($medium, 0, 7), array_slice($hard, 0, 5) ); // If still short, fill with anything if (count($results) < 15) { $remaining = array_merge($easy, $medium, $hard); foreach($remaining as $r) { $found = false; foreach($results as $res) { if($res['tag'] === $r['tag']) { $found=true; break; } } if(!$found) $results[] = $r; if(count($results) >= 20) break; } } return $results; } $title = ''; $hashtags = []; if ($_SERVER['REQUEST_METHOD'] === 'POST') { $title = trim($_POST['title'] ?? ''); if ($title !== '') { $hashtags = generate_instagram_hashtags($title); } } ?>

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