PHP_Shell_Extensions_InlineHelp::cmdHelp() - Code Metrics - Inspection of "Fix TValidationSummary when no validator has an Er..." - pradosoft/prado - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — prado-3.3 ( e90646...0b76d5 )

by Fabio

created 2018-08-13 09:54 UTC

PHP_Shell_Extensions_InlineHelp::cmdHelp() F

↳ Parent: PHP_Shell_Extensions_InlineHelp

Complexity

Conditions	27
Paths	44

Size

Total Lines

106

Duplication

Lines	21
Ratio	19.81 %

Importance

Changes

Metric	Value
cc	27
nc	44
nop	1
dl	21
loc	106
rs	3.3333
c	0
b	0
f	0

How to fix Long Method Complexity

<?php

require_once(dirname(__FILE__)."/../Extensions.php");
require_once(dirname(__FILE__)."/Prototypes.php");

class PHP_Shell_Extensions_InlineHelp implements PHP_Shell_Extension {
    public function register() {
        $cmd = PHP_Shell_Commands::getInstance();

        $cmd->registerCommand('#^\? #', $this, 'cmdHelp', '? <var>', 
            'show the DocComment a Class, Method or Function'.PHP_EOL.
            '    e.g.: ? fopen(), ? PHP_Shell, ? $__shell');
    }

    /**
    * handle the '?' commands
    *
    * With the help of the Reflection Class we extract the DocComments and display them
    * For internal Functions we extract the prototype from the php source.
    *
    * ? Class::method()
    * ? $obj->method()
    * ? Class::property
    * ? $obj::property
    * ? Class
    * ? $obj
    * ? function()
    *
    * The license of the PHP_Shell class
    * ? license
    *
    * @return string the help text
    */
    public function cmdHelp($l) {
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
        if ("? " == substr($l, 0, strlen("? "))) {
            $str = substr($l, 2);

            $cmd = '';
            
            if (preg_match('#^([A-Za-z0-9_]+)::([a-zA-Z0-9_]+)\(\s*\)\s*#', $str, $a)) {
                /* ? Class::method() */

                $class = $a[1];
                $method = $a[2];

                if (false !== ($proto = PHP_ShellPrototypes::getInstance()->get($class.'::'.$method))) {

                    $cmd = sprintf("/**\n* %s\n\n* @params %s\n* @return %s\n*/\n",
                        $proto['description'],
                        $proto['params'],
                        $proto['return']
                    );
                } else if (class_exists($class, false)) {
                    $c = new ReflectionClass($class);

                    if ($c->hasMethod($method)) {
                        $cmd = $c->getMethod($method)->getDocComment();
                    }
                }
            } else if (preg_match('#^\$([A-Za-z0-9_]+)->([a-zA-Z0-9_]+)\(\s*\)\s*#', $str, $a)) {
                /* ? $obj->method() */
                if (isset($GLOBALS[$a[1]]) && is_object($GLOBALS[$a[1]])) {

                    $class = get_class($GLOBALS[$a[1]]);
                    $method = $a[2];
                    
                    $c = new ReflectionClass($class);
    
                    if ($c->hasMethod($method)) {
                        $cmd = $c->getMethod($method)->getDocComment();
                    }
                }
            } else if (preg_match('#^([A-Za-z0-9_]+)::([a-zA-Z0-9_]+)\s*$#', $str, $a)) { 
                /* ? Class::property */
                $class = $a[1];
                $property = $a[2];
                if (class_exists($class, false)) {
                    $c = new ReflectionClass($class);

                    if ($c->hasProperty($property)) {
                        $cmd = $c->getProperty($property)->getDocComment();
                    }
                }
            } else if (preg_match('#^\$([A-Za-z0-9_]+)->([a-zA-Z0-9_]+)\s*$#', $str, $a)) { 
                /* ? $obj->property */
                if (isset($GLOBALS[$a[1]]) && is_object($GLOBALS[$a[1]])) {

                    $class = get_class($GLOBALS[$a[1]]);
                    $method = $a[2];
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
                    
                    $c = new ReflectionClass($class);

                    if ($c->hasProperty($property)) {
function someFunction() {
    $x = 5;
    echo $x;
}
                        $cmd = $c->getProperty($property)->getDocComment();
function someFunction() {
    $x = 5;
    echo $x;
}
                    }

                }
            } else if (preg_match('#^([A-Za-z0-9_]+)$#', $str, $a)) {
                /* ? Class */
                if (class_exists($a[1], false)) {
                    $c = new ReflectionClass($a[1]);
                    $cmd = $c->getDocComment();
                }
            } else if (preg_match('#^\$([A-Za-z0-9_]+)$#', $str, $a)) {
                /* ? $object */
                $obj = $a[1];
                if (isset($GLOBALS[$obj]) && is_object($GLOBALS[$obj])) {
                    $class = get_class($GLOBALS[$obj]);

                    $c = new ReflectionClass($class);
                    $cmd = $c->getDocComment();
                }

            } else if (preg_match('#^([A-Za-z0-9_]+)\(\s*\)$#', $str, $a)) {
                /* ? function() */
                $func = $a[1];

                if (false !== ($proto = PHP_ShellPrototypes::getInstance()->get($func))) {
                    $cmd = sprintf("/**\n* %s\n*\n* @params %s\n* @return %s\n*/\n",
                        $proto['description'],
                        $proto['params'],
                        $proto['return']
                    );
                } else if (function_exists($func)) {
                    $c = new ReflectionFunction($func);
                    $cmd = $c->getDocComment();
                }
            }

            if ($cmd == '') {
                $cmd = var_export(sprintf('no help found for \'%s\'', $str), 1);
            } else {
                $cmd = var_export($cmd, 1);
            }
        } else if ("?" == $l) {
            $cmd = $this->getHelp();

            $cmd = var_export($cmd, 1);
        }

        return $cmd;
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
    }
}


1		<?php
2
3		require_once(dirname(__FILE__)."/../Extensions.php");
4		require_once(dirname(__FILE__)."/Prototypes.php");
5
6		class PHP_Shell_Extensions_InlineHelp implements PHP_Shell_Extension {
7		public function register() {
8		$cmd = PHP_Shell_Commands::getInstance();
9
10		$cmd->registerCommand('#^\? #', $this, 'cmdHelp', '? <var>',
11		'show the DocComment a Class, Method or Function'.PHP_EOL.
12		' e.g.: ? fopen(), ? PHP_Shell, ? $__shell');
13		}
14
15		/**
16		* handle the '?' commands
17		*
18		* With the help of the Reflection Class we extract the DocComments and display them
19		* For internal Functions we extract the prototype from the php source.
20		*
21		* ? Class::method()
22		* ? $obj->method()
23		* ? Class::property
24		* ? $obj::property
25		* ? Class
26		* ? $obj
27		* ? function()
28		*
29		* The license of the PHP_Shell class
30		* ? license
31		*
32		* @return string the help text
33		*/
34		public function cmdHelp($l) {
		0 ignored issues – show Coding Style introduced 2018-08-13 10:17 UTC by Report Bug Copy Issue Report `cmdHelp` uses the super-global variable `$GLOBALS` which is generally not recommended. Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: // Bad class Router { public function generate($path) { return $_SERVER['HOST'].$path; } } // Better class Router { private $host; public function __construct($host) { $this->host = $host; } public function generate($path) { return $this->host.$path; } } class Controller { public function myAction(Request $request) { // Instead of $page = isset($_GET['page']) ? intval($_GET['page']) : 1; // Better (assuming you use the Symfony2 request) $page = $request->query->get('page', 1); } } Loading history...
35		if ("? " == substr($l, 0, strlen("? "))) {
36		$str = substr($l, 2);
37
38		$cmd = '';
39
40		if (preg_match('#^([A-Za-z0-9_]+)::([a-zA-Z0-9_]+)\(\s\)\s#', $str, $a)) {
41		/* ? Class::method() */
42
43		$class = $a[1];
44		$method = $a[2];
45
46		if (false !== ($proto = PHP_ShellPrototypes::getInstance()->get($class.'::'.$method))) {
47
48		$cmd = sprintf("/*\n %s\n\n* @params %s\n* @return %s\n*/\n",
49		$proto['description'],
50		$proto['params'],
51		$proto['return']
52		);
53		} else if (class_exists($class, false)) {
54		$c = new ReflectionClass($class);
55
56		if ($c->hasMethod($method)) {
57		$cmd = $c->getMethod($method)->getDocComment();
58		}
59		}
60		} else if (preg_match('#^\$([A-Za-z0-9_]+)->([a-zA-Z0-9_]+)\(\s\)\s#', $str, $a)) {
61		/* ? $obj->method() */
62	View Code Duplication	if (isset($GLOBALS[$a[1]]) && is_object($GLOBALS[$a[1]])) {
		0 ignored issues – show Duplication introduced 2018-08-13 10:17 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
63		$class = get_class($GLOBALS[$a[1]]);
64		$method = $a[2];
65
66		$c = new ReflectionClass($class);
67
68		if ($c->hasMethod($method)) {
69		$cmd = $c->getMethod($method)->getDocComment();
70		}
71		}
72		} else if (preg_match('#^([A-Za-z0-9_]+)::([a-zA-Z0-9_]+)\s*$#', $str, $a)) {
73		/* ? Class::property */
74		$class = $a[1];
75		$property = $a[2];
76		if (class_exists($class, false)) {
77		$c = new ReflectionClass($class);
78
79		if ($c->hasProperty($property)) {
80		$cmd = $c->getProperty($property)->getDocComment();
81		}
82		}
83		} else if (preg_match('#^\$([A-Za-z0-9_]+)->([a-zA-Z0-9_]+)\s*$#', $str, $a)) {
84		/* ? $obj->property */
85	View Code Duplication	if (isset($GLOBALS[$a[1]]) && is_object($GLOBALS[$a[1]])) {
		0 ignored issues – show Duplication introduced 2018-08-13 10:17 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
86		$class = get_class($GLOBALS[$a[1]]);
87		$method = $a[2];
		0 ignored issues – show Unused Code introduced 2016-02-29 19:57 UTC by Report Bug Copy Issue Report `$method` is not used, you could remove the assignment. This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value'; $higher = false; if (rand(1, 6) > 3) { $higher = true; } else { $higher = false; } Both the `$myVar` assignment in line 1 and the `$higher` assignment in line 2 are dead. The first because `$myVar` is never used and the second because `$higher` is always overwritten for every possible time line. Loading history...
88
89		$c = new ReflectionClass($class);
90
91		if ($c->hasProperty($property)) {
		0 ignored issues – show Bug introduced 2016-02-29 19:57 UTC by Report Bug Copy Issue Report The variable `$property` seems only to be defined at a later point. Did you maybe move this code here without moving the variable definition? This error can happen if you refactor code and forget to move the variable initialization. Let’s take a look at a simple example: function someFunction() { $x = 5; echo $x; } The above code is perfectly fine. Now imagine that we re-order the statements: function someFunction() { echo $x; $x = 5; } In that case, `$x` would be read before it is initialized. This was a very basic example, however the principle is the same for the found issue. Loading history...
92		$cmd = $c->getProperty($property)->getDocComment();
		0 ignored issues – show Bug introduced 2016-02-29 19:57 UTC by Report Bug Copy Issue Report The variable `$property` seems only to be defined at a later point. Did you maybe move this code here without moving the variable definition? This error can happen if you refactor code and forget to move the variable initialization. Let’s take a look at a simple example: function someFunction() { $x = 5; echo $x; } The above code is perfectly fine. Now imagine that we re-order the statements: function someFunction() { echo $x; $x = 5; } In that case, `$x` would be read before it is initialized. This was a very basic example, however the principle is the same for the found issue. Loading history...
93		}
94
95		}
96		} else if (preg_match('#^([A-Za-z0-9_]+)$#', $str, $a)) {
97		/* ? Class */
98		if (class_exists($a[1], false)) {
99		$c = new ReflectionClass($a[1]);
100		$cmd = $c->getDocComment();
101		}
102		} else if (preg_match('#^\$([A-Za-z0-9_]+)$#', $str, $a)) {
103		/* ? $object */
104		$obj = $a[1];
105		if (isset($GLOBALS[$obj]) && is_object($GLOBALS[$obj])) {
106		$class = get_class($GLOBALS[$obj]);
107
108		$c = new ReflectionClass($class);
109		$cmd = $c->getDocComment();
110		}
111
112		} else if (preg_match('#^([A-Za-z0-9_]+)\(\s*\)$#', $str, $a)) {
113		/* ? function() */
114		$func = $a[1];
115
116		if (false !== ($proto = PHP_ShellPrototypes::getInstance()->get($func))) {
117		$cmd = sprintf("/*\n %s\n\n @params %s\n* @return %s\n*/\n",
118		$proto['description'],
119		$proto['params'],
120		$proto['return']
121		);
122		} else if (function_exists($func)) {
123		$c = new ReflectionFunction($func);
124		$cmd = $c->getDocComment();
125		}
126		}
127
128		if ($cmd == '') {
129		$cmd = var_export(sprintf('no help found for \'%s\'', $str), 1);
130		} else {
131		$cmd = var_export($cmd, 1);
132		}
133		} else if ("?" == $l) {
134		$cmd = $this->getHelp();
		0 ignored issues – show Bug introduced 2016-02-29 19:57 UTC by Report Bug Copy Issue Report The method `getHelp()` does not seem to exist on `object<PHP_Shell_Extensions_InlineHelp>`. This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces. This is most likely a typographical error or the method has been renamed. Loading history...
135		$cmd = var_export($cmd, 1);
136		}
137
138		return $cmd;
		0 ignored issues – show Bug introduced 2016-02-29 19:57 UTC by Report Bug Copy Issue Report The variable `$cmd` does not seem to be defined for all execution paths leading up to this point. If you define a variable conditionally, it can happen that it is not defined for all execution paths. Let’s take a look at an example: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } // $x is potentially undefined here. echo $x; } In the above example, the variable `$x` is defined if you pass “foo” or “bar” as argument for `$a`. However, since the `switch` statement has no default case statement, if you pass any other value, the variable `$x` would be undefined. Available Fixes Check for existence of the variable explicitly: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } if (isset($x)) { // Make sure it's always set. echo $x; } } Define a default value for the variable: function myFunction($a) { $x = ''; // Set a default which gets overridden for certain paths. switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } echo $x; } Add a value for the missing path: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; // We add support for the missing case. default: $x = ''; break; } echo $x; } Loading history...
139		}
140		}
141

pradosoft / prado

Push — prado-3.3 ( e90646...0b76d5 )

PHP_Shell_Extensions_InlineHelp::cmdHelp() F

Complexity

Size

Duplication

Importance

How to fix Long Method Complexity

Long Method

Available Fixes

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