Advanced Search - Lite Version

search.php

<?php
/**
 * @param {string} $search
 * @param {array} $datas
 * @return {array}
 */
public function search($search, $datas){
	
	$response = [];
	
	if(is_null($search)){
		return $response;
	}
	
	$words = array_filter(explode(" ", $search), function ($word){
		return strlen($word) > 2;
	});
	
	$basecount = count($words);
	
	foreach($datas as $data){
		
		$points = 0;
		
		if(!is_null($data)){
			
			$_data = explode(" ", $data);
			
			similar_text(strtolower($data), strtolower($search), $psimil1);
			
			if($psimil1 > 50){
				$points += ($psimil1 * 10);
			}
			
			foreach($_data as $_d){
				
				foreach($words as $word){
					
					similar_text(strtolower($_d), strtolower($word), $psimil2);
					
					if($psimil2 > 50){
						$points += ($psimil2 / count($_data));
					}
					
					if(str_contains(strtolower($data), strtolower($word))){
						$points += 150;
					}
					
					if(strtolower($_d) == strtolower($word)){
						$points += 1500;
					}
					
				}
				
			}
			
		}
		
		if($points >= ($basecount * 400)){
			$response[] = [
				'points' => $points,
				'item' => $data
			];
		}
		
	}
	
	usort($response, function($a, $b) {
		return $b['points'] - $a['points'];
	});
	
	return array_column($response, 'item');
	
}