Commit 416b0d17 authored by Fränk Klein's avatar Fränk Klein
Browse files

Check for PHP version requirements 

Add a notice when the requirements are not met, and return to avoid
executing the rest of the plugin.

Fixes #69.
parent dc98c134

s3-uploads.php

+32 −0
Original line number Diff line number Diff line
@@ -15,6 +15,10 @@ if ( defined( 'WP_CLI' ) && WP_CLI ) { 
add_action( 'plugins_loaded', 's3_uploads_init' );



function s3_uploads_init() {

	if ( ! s3_uploads_check_requirements() ) {

		return;

	}



	if ( ! defined( 'S3_UPLOADS_BUCKET' ) ) {

		return;

	}
@@ -31,6 +35,34 @@ function s3_uploads_init() { 
	$instance->setup();

}



/**

 * Check whether the environment meets the plugin's requirements, like the minimum PHP version.

 *

 * @return bool True if the requirements are met, else false.

 */

function s3_uploads_check_requirements() {

	if ( version_compare( '5.3.3', PHP_VERSION, '>=' ) ) {

		if ( is_admin() && ! defined( 'DOING_AJAX' ) ) {

			add_action( 'admin_notices', 's3_uploads_outdated_php_version_notice' );

		}



		return false;

	}



	return true;

}



/**

 * Print an admin notice when the PHP version is not high enough.

 *

 * This has to be a named function for compatibility with PHP 5.2.

 */

function s3_uploads_outdated_php_version_notice() {

	printf( '<div class="error"><p>The S3 Uploads plugin requires PHP version 5.3.3 or higher. Your server is running PHP version %s.</p></div>',

		PHP_VERSION

	);

}



/**

 * Check if URL rewriting is enabled.

 *