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Upgrade Wordpress core programmatically with PHP

James Ma answered on January 22, 2023 Popularity 3/10 Helpfulness 7/10

answer Upgrade Wordpress core programmatically with PHP

Upgrade Wordpress core programmatically with PHP

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/**
 * This function basically forces WordPress to reinstall itself
 * It does the following...
 * 
 * 1. wGet the wp-cli.phar file and place in current directory to allow
 * executing WP-CLI command within file.
 * 
 * 2. Replace $wp_version in 'root/wp-includes/version.php' to an
 * outdated WordPress version for the 'core update' command to upgrade, or
 * reinstall WordPress technically.
 * 
 * 3. Update WordPress with the WP-CLI command.
 * 
 * 4. Delete wp-cli.phar.
**/
function reinstallWordpress() {
    $wpCLIFile = 'wp-cli.phar';
    $rootPATH = '/home/user/website.com/'; // Define your root path here
    
    // Require wp-includes/version.php
    $versionFile = $rootPATH . 'wp-includes/version.php';
    require $versionFile;
    
    // Get wp-cli.phar
    if (!file_exists($wpCLIFile)) {
        exec("wget https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar");
    }
    
    // Replace current version to an outdated version
    $outdatedVersion = '5.9.3'; // Recommended if you're using the current version 6.1.1, but you can further test and change this value
    $currentVersion = $wp_version;
    file_put_contents($versionFile, str_replace("$currentVersion", "$outdatedVersion", file_get_contents($versionFile)));
    
    // Update WordPress with the WP-CLI
    $output = array();
    $full_command = "php wp-cli.phar core update 2>&1";
    exec($full_command, $output);
    
    // Delete wp-cli.phar from directory
    unlink($wpCLIFile);
    
    // Check if reinstall was successful
    $stringifiedOutput = implode(" ", $output);
    if (strpos($stringifiedOutput, "WordPress updated successfully")) {
        return "successful";
    } else {
        return "failed";
    }
}

Popularity 3/10 Helpfulness 7/10 Language php

Source: Grepper

Tags: core php programmatically upgrade wordpress

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Contributed on Jan 22 2023

James Ma

0 Answers Avg Quality 2/10

Upgrade Wordpress core programmatically with PHP

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