How can APIs be utilized to determine the state or city based on a given postal code in PHP?

To determine the state or city based on a given postal code in PHP, you can utilize APIs that provide this information. One popular API for this purpose is the Zippopotam.us API, which allows you to retrieve location data based on postal codes. By making a request to the API with the postal code as a parameter, you can receive the corresponding state and city information. 

<?php

// Postal code to lookup
$postal_code = '10001';

// API endpoint to retrieve location data based on postal code
$api_url = 'http://api.zippopotam.us/us/' . $postal_code;

// Make a GET request to the API
$location_data = json_decode(file_get_contents($api_url), true);

// Extract state and city information from the API response
$state = $location_data['places'][0]['state'];
$city = $location_data['places'][0]['place name'];

// Output the state and city based on the given postal code
echo "State: " . $state . "<br>";
echo "City: " . $city;

Keywords

APIs postal code state city PHP

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