Current Location: Home> Latest Articles> PHP technology sharing: Exploration of new fields of Alibaba Cloud OCR and semantic analysis

PHP technology sharing: Exploration of new fields of Alibaba Cloud OCR and semantic analysis

M66 2025-05-30

PHP integrated Alibaba Cloud OCR and semantic analysis: practical battles of intelligent recognition and natural language processing

With the rapid development of artificial intelligence technology, word recognition (OCR) and semantic analysis are gradually becoming the core modules in intelligent applications. As a leading cloud computing service provider in China, Alibaba Cloud provides a complete OCR recognition and NLP semantic analysis API. Developers can easily integrate these functions into PHP projects to realize intelligent text processing and image recognition.

This article will use practical examples to introduce how to connect to Alibaba Cloud's OCR and semantic analysis interface in PHP, helping you quickly realize the functions of image text extraction, license plate recognition and semantic understanding.

1. PHP calls Alibaba Cloud OCR interface to achieve image text recognition

OCR (Optical Character Recognition) technology can convert text content in pictures into editable text. Alibaba Cloud OCR service supports a variety of identification types, such as general text, ID cards, bank cards, driver's licenses, license plate recognition, etc.

First, you need to install the SDK through Composer:

 composer require aliyuncs/oss-sdk-php

Here is an example code for calling the license plate recognition interface using PHP:

 <?php
require_once 'vendor/autoload.php';

use AlibabaCloud\Client\AlibabaCloud;
use AlibabaCloud\Client\Exception\ClientException;
use AlibabaCloud\Client\Exception\ServerException;

AlibabaCloud::accessKeyClient('your-access-key-id', 'your-access-key-secret')
    ->regionId('cn-shanghai')
    ->asDefaultClient();

$result = AlibabaCloud::ocr()
    ->v20191230()
    ->recognizeLicensePlate()
    ->host('ocr.cn-shanghai.aliyuncs.com')
    ->connectTimeout(6)
    ->timeout(10)
    ->request();

print_r($result->toArray());

Replace your-access-key-id and your-access-key-secret in the above code with your own Access Key to realize the license plate text recognition function.

2. Integrate Alibaba Cloud semantic analysis API for natural language processing

Semantic analysis (NLP) is a technology that analyzes and understands natural language and is widely used in the fields of text classification, sentiment analysis, naming entity recognition, etc.

Before using the semantic analysis function, you also need to install the corresponding SDK package:

 composer require aliyun/sms-sdk

The following is an example of calling the image translation interface:

 <?php
require_once 'vendor/autoload.php';

use AlibabaCloud\Client\AlibabaCloud;
use AlibabaCloud\Client\Exception\ClientException;
use AlibabaCloud\Client\Exception\ServerException;

AlibabaCloud::accessKeyClient('your-access-key-id', 'your-access-key-secret')
    ->regionId('cn-shanghai')
    ->asDefaultClient();

$result = AlibabaCloud::nlp()
    ->v20180408()
    ->imageTranslate()
    ->host('nlp.cn-shanghai.aliyuncs.com')
    ->connectTimeout(6)
    ->timeout(10)
    ->request();

print_r($result->toArray());

This interface can translate the text in the image in language to realize the semantic understanding of cross-language image content.

3. Application scenarios and technical value

Combining Alibaba Cloud OCR and NLP services, PHP developers can easily implement a variety of intelligent scenarios, such as:

  • Smart form entry system

  • Automatic license plate recognition system

  • Customer review sentiment analysis platform

  • Image translation and content review system

These capabilities greatly improve the efficiency and accuracy of data processing, while also enhancing the user interaction experience.

4. Summary

Through practical explanations, this article shows how to integrate Alibaba Cloud's OCR text recognition and semantic analysis interfaces into PHP projects, helping developers quickly master image word processing and natural language understanding technology. With the deepening development of artificial intelligence, these capabilities will play an increasingly critical role in various business systems.

I hope that the content of this article can provide reference for you to integrate AI capabilities in your project, helping to improve development efficiency and intelligent product upgrades.