Update min PHP version & dev-lib

Author: valendesigns

.travis.yml

@@ -1,13 +1,7 @@
-# Tell Travis CI we're using PHP
 language: php
 
-# Opt to use Travis container-based environment.
 sudo: false
 
-# Newer versions like trusty don't have PHP 5.2 or 5.3
-# https://blog.travis-ci.com/2017-07-11-trusty-as-default-linux-is-coming
-dist: precise
-
 notifications:
   email:
     on_success: never
@@ -20,6 +14,7 @@ cache:
     - $HOME/phpunit-bin
 
 php:
+  - 5.6
   - 7.2
 
 env:

composer.json

@@ -6,7 +6,7 @@
   "license": "GPLv2",
   "prefer-stable" : true,
   "require": {
-    "php": ">=5.3"
+    "php": ">=5.6.20"
   },
   "require-dev": {
     "brainmaestro/composer-git-hooks": "^2.6.0",
@@ -16,7 +16,7 @@
     "php-coveralls/php-coveralls": "^2.1",
     "slowprog/composer-copy-file": "0.2.1",
     "wp-coding-standards/wpcs": "*",
-    "xwp/wp-dev-lib": "^1.0.0"
+    "xwp/wp-dev-lib": "^1.1.1"
   },
   "scripts": {
     "phpcs": [

jwt-auth.php

@@ -26,16 +26,15 @@
 define( 'JWT_AUTH_VERSION', '0.1' );
 
 /**
- * Requires running PHP 5.3 or above.
+ * Requires running PHP 5.6.20 or above.
  *
  * @since 0.1
  * @codeCoverageIgnore
  */
 function jwt_auth_version_check() {
-
-	if ( version_compare( PHP_VERSION, '5.3', '<' ) ) {
+	if ( version_compare( PHP_VERSION, '5.6.20', '<' ) ) {
 		deactivate_plugins( plugin_basename( __FILE__ ) );
-		wp_die( esc_html__( 'The JWT Auth plugin requires PHP Version 5.3 or above.', 'jwt-auth' ) );
+		wp_die( esc_html__( 'The JWT Auth plugin requires PHP Version 5.6.20 or above.', 'jwt-auth' ) );
 	}
 }
 add_action( 'admin_init', 'jwt_auth_version_check' );
@@ -47,18 +46,18 @@ function jwt_auth_version_check() {
  */
 function jwt_auth_loader() {
 
-	/** JWT Classes */
+	// JWT Classes.
 	foreach ( glob( JWT_AUTH_PLUGIN_DIR . '/wp-includes/rest-api/auth/jwt/*.php' ) as $filename ) {
 		require_once $filename;
 	}
 
-	/** WP_REST_Token Class */
+	// WP_REST_Token Class.
 	require_once JWT_AUTH_PLUGIN_DIR . '/wp-includes/rest-api/auth/class-wp-rest-token.php';
 
-	/** WP_REST_Key_Pair Class */
+	// WP_REST_Key_Pair Class.
 	require_once JWT_AUTH_PLUGIN_DIR . '/wp-includes/rest-api/auth/class-wp-rest-key-pair.php';
 
-	/** WP_Key_Pair_List_Table Class */
+	// WP_Key_Pair_List_Table Class.
 	require_once JWT_AUTH_PLUGIN_DIR . '/wp-admin/includes/class-wp-key-pair-list-table.php';
 
 	// Initialize JSON Web Tokens.