Update README

4 files changed, 529 insertions, 21 deletions

diff --git a/README.md b/README.md
index 8abfae5..078e553 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,6 @@
+[![Build Status](https://travis-ci.org/dshafik/php7-mysql-shim.svg?branch=master)](https://travis-ci.org/dshafik/php7-mysql-shim)
+[![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/dshafik/php7-mysql-shim/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/dshafik/php7-mysql-shim/?branch=master)
+[![Code Coverage](https://scrutinizer-ci.com/g/dshafik/php7-mysql-shim/badges/coverage.png?b=master)](https://scrutinizer-ci.com/g/dshafik/php7-mysql-shim/?branch=master)
 # PHP 7 Shim for ext/mysql
 
 This library attempts to create a drop-in replacement for ext/mysql on PHP 7 using mysqli.
@@ -21,7 +24,7 @@ Once the file is included, it will create `mysql_*` function if they don't alrea
 
 ## Caveats
 
-The only things that should break are calls to `is_resource()` on MySQL connections and results, as these
-are now their `mysqli` equivalents.
-
-Additionally, some errors are now from `ext/mysqli`, and others are `E_USER_WARNING` instead of `E_WARNING`.
+- Calls to `is_resource()` and `get_resource_type()` on MySQL connections and results will fail as these are now their `mysqli` equivalents.
+-Some errors are now from `ext/mysqli`, and others are `E_USER_WARNING` instead of `E_WARNING`.
+- Column lengths reported by `mysql_field_len()` assume latin1
+- You must prefix all calls to `mysql_*` with a `\` (e.g. `\mysql_connect()`;
diff --git a/composer.json b/composer.json
index 329eef4..aa53015 100644
--- a/composer.json
+++ b/composer.json
@@ -10,6 +10,8 @@
         }
     ],
     "require-dev": {
+        "squizlabs/php_codesniffer": "^2.3",
+        "fabpot/php-cs-fixer": "^1.9",
         "phpunit/phpunit": "~5.1"
     },
     "autoload": {
diff --git a/composer.lock b/composer.lock
index 4ca167d..34261d6 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "a879f677a37578594990cd73798b4f84",
+    "hash": "4029c3ee9d261492406caa51871b7ca6",
     "packages": [],
     "packages-dev": [
         {
@@ -62,6 +62,60 @@
             "time": "2015-06-14 21:17:01"
         },
         {
+            "name": "fabpot/php-cs-fixer",
+            "version": "v1.11",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/FriendsOfPHP/PHP-CS-Fixer.git",
+                "reference": "bd3ec2c2b774e0e127ac2c737ec646d9cf2f9eef"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/FriendsOfPHP/PHP-CS-Fixer/zipball/bd3ec2c2b774e0e127ac2c737ec646d9cf2f9eef",
+                "reference": "bd3ec2c2b774e0e127ac2c737ec646d9cf2f9eef",
+                "shasum": ""
+            },
+            "require": {
+                "ext-tokenizer": "*",
+                "php": ">=5.3.6",
+                "sebastian/diff": "~1.1",
+                "symfony/console": "~2.3|~3.0",
+                "symfony/event-dispatcher": "~2.1|~3.0",
+                "symfony/filesystem": "~2.1|~3.0",
+                "symfony/finder": "~2.1|~3.0",
+                "symfony/process": "~2.3|~3.0",
+                "symfony/stopwatch": "~2.5|~3.0"
+            },
+            "require-dev": {
+                "satooshi/php-coveralls": "0.7.*@dev"
+            },
+            "bin": [
+                "php-cs-fixer"
+            ],
+            "type": "application",
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\CS\\": "Symfony/CS/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Dariusz Rumiński",
+                    "email": "dariusz.ruminski@gmail.com"
+                },
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                }
+            ],
+            "description": "A tool to automatically fix PHP code style",
+            "time": "2015-12-01 22:34:33"
+        },
+        {
             "name": "myclabs/deep-copy",
             "version": "1.5.0",
             "source": {
@@ -996,6 +1050,452 @@
             "time": "2015-06-21 13:59:46"
         },
         {
+            "name": "squizlabs/php_codesniffer",
+            "version": "2.4.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/squizlabs/PHP_CodeSniffer.git",
+                "reference": "32a879f4f35019d78d568db2885d7779ca084a33"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/32a879f4f35019d78d568db2885d7779ca084a33",
+                "reference": "32a879f4f35019d78d568db2885d7779ca084a33",
+                "shasum": ""
+            },
+            "require": {
+                "ext-tokenizer": "*",
+                "ext-xmlwriter": "*",
+                "php": ">=5.1.2"
+            },
+            "bin": [
+                "scripts/phpcs",
+                "scripts/phpcbf"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "CodeSniffer.php",
+                    "CodeSniffer/CLI.php",
+                    "CodeSniffer/Exception.php",
+                    "CodeSniffer/File.php",
+                    "CodeSniffer/Fixer.php",
+                    "CodeSniffer/Report.php",
+                    "CodeSniffer/Reporting.php",
+                    "CodeSniffer/Sniff.php",
+                    "CodeSniffer/Tokens.php",
+                    "CodeSniffer/Reports/",
+                    "CodeSniffer/Tokenizers/",
+                    "CodeSniffer/DocGenerators/",
+                    "CodeSniffer/Standards/AbstractPatternSniff.php",
+                    "CodeSniffer/Standards/AbstractScopeSniff.php",
+                    "CodeSniffer/Standards/AbstractVariableSniff.php",
+                    "CodeSniffer/Standards/IncorrectPatternException.php",
+                    "CodeSniffer/Standards/Generic/Sniffs/",
+                    "CodeSniffer/Standards/MySource/Sniffs/",
+                    "CodeSniffer/Standards/PEAR/Sniffs/",
+                    "CodeSniffer/Standards/PSR1/Sniffs/",
+                    "CodeSniffer/Standards/PSR2/Sniffs/",
+                    "CodeSniffer/Standards/Squiz/Sniffs/",
+                    "CodeSniffer/Standards/Zend/Sniffs/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Greg Sherwood",
+                    "role": "lead"
+                }
+            ],
+            "description": "PHP_CodeSniffer tokenizes PHP, JavaScript and CSS files and detects violations of a defined set of coding standards.",
+            "homepage": "http://www.squizlabs.com/php-codesniffer",
+            "keywords": [
+                "phpcs",
+                "standards"
+            ],
+            "time": "2015-11-23 21:30:59"
+        },
+        {
+            "name": "symfony/console",
+            "version": "v3.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/console.git",
+                "reference": "175871ca8d1ef16ff8d8cac395a1c73afa8d0e63"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/console/zipball/175871ca8d1ef16ff8d8cac395a1c73afa8d0e63",
+                "reference": "175871ca8d1ef16ff8d8cac395a1c73afa8d0e63",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.5.9",
+                "symfony/polyfill-mbstring": "~1.0"
+            },
+            "require-dev": {
+                "psr/log": "~1.0",
+                "symfony/event-dispatcher": "~2.8|~3.0",
+                "symfony/process": "~2.8|~3.0"
+            },
+            "suggest": {
+                "psr/log": "For using the console logger",
+                "symfony/event-dispatcher": "",
+                "symfony/process": ""
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Console\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Console Component",
+            "homepage": "https://symfony.com",
+            "time": "2015-11-30 12:36:17"
+        },
+        {
+            "name": "symfony/event-dispatcher",
+            "version": "v3.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/event-dispatcher.git",
+                "reference": "d36355e026905fa5229e1ed7b4e9eda2e67adfcf"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/event-dispatcher/zipball/d36355e026905fa5229e1ed7b4e9eda2e67adfcf",
+                "reference": "d36355e026905fa5229e1ed7b4e9eda2e67adfcf",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.5.9"
+            },
+            "require-dev": {
+                "psr/log": "~1.0",
+                "symfony/config": "~2.8|~3.0",
+                "symfony/dependency-injection": "~2.8|~3.0",
+                "symfony/expression-language": "~2.8|~3.0",
+                "symfony/stopwatch": "~2.8|~3.0"
+            },
+            "suggest": {
+                "symfony/dependency-injection": "",
+                "symfony/http-kernel": ""
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\EventDispatcher\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony EventDispatcher Component",
+            "homepage": "https://symfony.com",
+            "time": "2015-10-30 23:35:59"
+        },
+        {
+            "name": "symfony/filesystem",
+            "version": "v3.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/filesystem.git",
+                "reference": "692d98d813e4ef314b9c22775c86ddbeb0f44884"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/692d98d813e4ef314b9c22775c86ddbeb0f44884",
+                "reference": "692d98d813e4ef314b9c22775c86ddbeb0f44884",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.5.9"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Filesystem\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Filesystem Component",
+            "homepage": "https://symfony.com",
+            "time": "2015-11-23 10:41:47"
+        },
+        {
+            "name": "symfony/finder",
+            "version": "v3.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/finder.git",
+                "reference": "3577eb98dba90721d1a0a3edfc6956ab8b1aecee"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/finder/zipball/3577eb98dba90721d1a0a3edfc6956ab8b1aecee",
+                "reference": "3577eb98dba90721d1a0a3edfc6956ab8b1aecee",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.5.9"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Finder\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Finder Component",
+            "homepage": "https://symfony.com",
+            "time": "2015-10-30 23:35:59"
+        },
+        {
+            "name": "symfony/polyfill-mbstring",
+            "version": "v1.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-mbstring.git",
+                "reference": "0b6a8940385311a24e060ec1fe35680e17c74497"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/0b6a8940385311a24e060ec1fe35680e17c74497",
+                "reference": "0b6a8940385311a24e060ec1fe35680e17c74497",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Mbstring\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for the Mbstring extension",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "mbstring",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "time": "2015-11-04 20:28:58"
+        },
+        {
+            "name": "symfony/process",
+            "version": "v3.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/process.git",
+                "reference": "01383ed02a1020759bc8ee5d975fcec04ba16fbf"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/process/zipball/01383ed02a1020759bc8ee5d975fcec04ba16fbf",
+                "reference": "01383ed02a1020759bc8ee5d975fcec04ba16fbf",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.5.9"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Process\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Process Component",
+            "homepage": "https://symfony.com",
+            "time": "2015-11-30 12:36:17"
+        },
+        {
+            "name": "symfony/stopwatch",
+            "version": "v3.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/stopwatch.git",
+                "reference": "6aeac8907e3e1340a0033b0a9ec075f8e6524800"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/stopwatch/zipball/6aeac8907e3e1340a0033b0a9ec075f8e6524800",
+                "reference": "6aeac8907e3e1340a0033b0a9ec075f8e6524800",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.5.9"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Stopwatch\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Stopwatch Component",
+            "homepage": "https://symfony.com",
+            "time": "2015-10-30 23:35:59"
+        },
+        {
             "name": "symfony/yaml",
             "version": "v3.0.0",
             "source": {
diff --git a/lib/mysql.php b/lib/mysql.php
index e1a8013..15a91b1 100644
--- a/lib/mysql.php
+++ b/lib/mysql.php
@@ -1,5 +1,6 @@
 <?php
 namespace {
+
     if (!function_exists('\mysql_connect')) {
         define('MYSQL_CLIENT_COMPRESS', MYSQLI_CLIENT_COMPRESS);
         define('MYSQL_CLIENT_IGNORE_SPACE', MYSQLI_CLIENT_IGNORE_SPACE);
@@ -11,8 +12,8 @@ namespace {
             $username = null,
             $password = null,
             $new = false,
-            $flags = 0)
-        {
+            $flags = 0
+        ) {
             if ($new !== false) {
                 trigger_error('Argument $new is no longer supported in PHP > 7', E_USER_WARNING);
             }
@@ -70,8 +71,8 @@ namespace {
             $hostname = null,
             $username = null,
             $password = null,
-            $flags = 0)
-        {
+            $flags = 0
+        ) {
             $hostname = 'p:' . $hostname;
             return mysql_connect($hostname, $username, $password, false, $flags);
         }
@@ -305,7 +306,7 @@ namespace {
             if (\Dshafik\MySQL::checkValidResult($result, __FUNCTION__)) {
                 return false;
             }
-            return \Dshafik\MySQL::mysql_field_info($result, $field, 'name');
+            return \Dshafik\MySQL::mysqlFieldInfo($result, $field, 'name');
         }
 
         function mysql_field_table($result, $field)
@@ -313,7 +314,7 @@ namespace {
             if (\Dshafik\MySQL::checkValidResult($result, __FUNCTION__)) {
                 return false;
             }
-            return \Dshafik\MySQL::mysql_field_info($result, $field, 'table');
+            return \Dshafik\MySQL::mysqlFieldInfo($result, $field, 'table');
         }
 
         function mysql_field_len($result, $field)
@@ -321,7 +322,7 @@ namespace {
             if (\Dshafik\MySQL::checkValidResult($result, __FUNCTION__)) {
                 return false;
             }
-            return \Dshafik\MySQL::mysql_field_info($result, $field, 'length');
+            return \Dshafik\MySQL::mysqlFieldInfo($result, $field, 'length');
         }
 
         function mysql_field_type($result, $field)
@@ -329,7 +330,7 @@ namespace {
             if (\Dshafik\MySQL::checkValidResult($result, __FUNCTION__)) {
                 return false;
             }
-            return \Dshafik\MySQL::mysql_field_info($result, $field, 'type');
+            return \Dshafik\MySQL::mysqlFieldInfo($result, $field, 'type');
         }
 
         function mysql_field_flags($result, $field)
@@ -337,7 +338,7 @@ namespace {
             if (\Dshafik\MySQL::checkValidResult($result, __FUNCTION__)) {
                 return false;
             }
-            return \Dshafik\MySQL::mysql_field_info($result, $field, 'flags');
+            return \Dshafik\MySQL::mysqlFieldInfo($result, $field, 'flags');
         }
 
         function mysql_escape_string($unescapedString)
@@ -506,11 +507,13 @@ namespace {
 }
 
 namespace Dshafik {
-    class MySQL {
-        static public $last_connection = null;
-        static public $connections = [];
 
-        static public function getConnection($link = null, $func = null)
+    class MySQL
+    {
+        public static $last_connection = null;
+        public static $connections = [];
+
+        public static function getConnection($link = null, $func = null)
         {
             if ($link !== null) {
                 return $link;
@@ -528,7 +531,7 @@ namespace Dshafik {
             return static::$last_connection;
         }
 
-        static public function mysql_field_info(\mysqli_result $result, $field, $what)
+        public static function mysqlFieldInfo(\mysqli_result $result, $field, $what)
         {
             if (!\mysqli_data_seek($result, $field)) {
                 trigger_error(
@@ -560,7 +563,7 @@ namespace Dshafik {
                         $matches[$what] = null;
                     }
                     if ($what == 'length') {
-                      return static::getFieldLength($matches[$what], $field['Type']);
+                        return static::getFieldLength($matches[$what], $field['Type']);
                     }
                     return static::getFieldType($matches[$what]);
                 case "flags":
@@ -604,7 +607,7 @@ namespace Dshafik {
             return false;
         }
 
-        static function checkValidResult($result, $function)
+        public static function checkValidResult($result, $function)
         {
             if (!($result instanceof \mysqli_result)) {
                 trigger_error(