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1 | <?php namespace nyx\utils; |
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2 | |||
3 | /** |
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4 | * Platform |
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5 | * |
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6 | * Utilities related to the operating system PHP is running on, retrieving information about and executing |
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7 | * system processes etc. |
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8 | * |
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9 | * Requires: |
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10 | * - Function: shell_exec() (getting the shells available on this system) |
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11 | * - Function: exec() (checking whether TTY is available on this system) |
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12 | * |
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13 | * @package Nyx\Utils\Platform |
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14 | * @version 0.1.0 |
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15 | * @author Michal Chojnacki <[email protected]> |
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16 | * @copyright 2012-2016 Nyx Dev Team |
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17 | * @link http://docs.muyo.io/nyx/utils/platform.html |
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18 | */ |
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19 | class Platform |
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20 | { |
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21 | /** |
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22 | * The traits of the Platform class. |
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23 | */ |
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24 | use traits\StaticallyExtendable; |
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25 | |||
26 | /** |
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27 | * Platform type constants. |
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28 | */ |
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29 | const TYPE_UNIX = 1; |
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30 | const TYPE_WINDOWS = 2; |
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31 | const TYPE_BSD = 3; |
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32 | const TYPE_CYGWIN = 4; |
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33 | const TYPE_DARWIN = 5; |
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34 | |||
35 | /** |
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36 | * @var int The platform PHP is running on. |
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37 | */ |
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38 | private static $type; |
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39 | |||
40 | /** |
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41 | * @var array An array of shell names and the paths to their binaries once populated or false when PHP is |
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42 | * running on a system that does not support them (Windows). |
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43 | */ |
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44 | private static $shells; |
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45 | |||
46 | /** |
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47 | * @var bool Whether this platform has the 'stty' binary (always false on Windows). |
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48 | */ |
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49 | private static $hasStty; |
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50 | |||
51 | /** |
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52 | * Guesses and returns the platform PHP is running on. If it can't be determined, the default |
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53 | * of self::TYPE_UNIX will be returned. |
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54 | * |
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55 | * @return int One of the platform TYPE_ constants defined in this class. |
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56 | */ |
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57 | public static function getType() : int |
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58 | { |
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59 | // Return the cached result if it's already available. |
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60 | if (null !== static::$type) { |
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0 ignored issues
–
show
|
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61 | return static::$type; |
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0 ignored issues
–
show
Since
$type is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $type to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
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62 | } |
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63 | |||
64 | $os = strtolower(php_uname("s")); |
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65 | |||
66 | // Check in order of likeliness. |
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67 | if (false !== strpos($os, 'unix')) { |
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68 | return static::$type = self::TYPE_UNIX; |
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0 ignored issues
–
show
Since
$type is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $type to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
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69 | } |
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70 | |||
71 | if (0 === strpos($os, 'win')) { |
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72 | return static::$type = self::TYPE_WINDOWS; |
||
0 ignored issues
–
show
Since
$type is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $type to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
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73 | } |
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74 | |||
75 | if (false !== strpos($os, 'bsd')) { |
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76 | return static::$type = self::TYPE_BSD; |
||
0 ignored issues
–
show
Since
$type is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $type to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
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77 | } |
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78 | |||
79 | if (false !== strpos($os, 'darwin')) { |
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80 | return static::$type = self::TYPE_DARWIN; |
||
0 ignored issues
–
show
Since
$type is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $type to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
81 | } |
||
82 | |||
83 | if (false !== strpos($os, 'cygwin')) { |
||
84 | return static::$type = self::TYPE_CYGWIN; |
||
0 ignored issues
–
show
Since
$type is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $type to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
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85 | } |
||
86 | |||
87 | // Use the default otherwise. |
||
88 | return static::$type = self::TYPE_UNIX; |
||
0 ignored issues
–
show
Since
$type is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $type to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
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89 | } |
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90 | |||
91 | /** |
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92 | * Checks whether PHP is running on a Unix platform |
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93 | * |
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94 | * @return bool True when PHP is running on a Unix platform, false otherwise. |
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95 | */ |
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96 | View Code Duplication | public static function isUnix() : bool |
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97 | { |
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98 | // Return the cached result if it's already available. |
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99 | if (null !== static::$type) { |
||
0 ignored issues
–
show
Since
$type is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $type to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
100 | return static::$type === self::TYPE_UNIX; |
||
0 ignored issues
–
show
Since
$type is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $type to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
101 | } |
||
102 | |||
103 | return static::getType() === self::TYPE_UNIX; |
||
104 | } |
||
105 | |||
106 | /** |
||
107 | * Checks whether PHP is running on a Windows platform |
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108 | * |
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109 | * @return bool True when PHP is running on a Windows platform, false otherwise. |
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110 | */ |
||
111 | View Code Duplication | public static function isWindows() : bool |
|
112 | { |
||
113 | // Return the cached result if it's already available. |
||
114 | if (null !== static::$type) { |
||
0 ignored issues
–
show
Since
$type is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $type to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
115 | return static::$type === self::TYPE_WINDOWS; |
||
0 ignored issues
–
show
Since
$type is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $type to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
116 | } |
||
117 | |||
118 | return static::getType() === self::TYPE_WINDOWS; |
||
119 | } |
||
120 | |||
121 | /** |
||
122 | * Checks whether PHP is running on a BSD platform |
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123 | * |
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124 | * @return bool True when PHP is running on a BSD platform, false otherwise. |
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125 | */ |
||
126 | View Code Duplication | public static function isBsd() : bool |
|
127 | { |
||
128 | // Return the cached result if it's already available. |
||
129 | if (null !== static::$type) { |
||
0 ignored issues
–
show
Since
$type is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $type to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
130 | return static::$type === self::TYPE_BSD; |
||
0 ignored issues
–
show
Since
$type is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $type to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
131 | } |
||
132 | |||
133 | return static::getType() === self::TYPE_BSD; |
||
134 | } |
||
135 | |||
136 | /** |
||
137 | * Checks whether PHP is running on a Darwin platform |
||
138 | * |
||
139 | * @return bool True when PHP is running on a Darwin platform, false otherwise. |
||
140 | */ |
||
141 | View Code Duplication | public static function isDarwin() : bool |
|
142 | { |
||
143 | // Return the cached result if it's already available. |
||
144 | if (null !== static::$type) { |
||
0 ignored issues
–
show
Since
$type is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $type to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
145 | return static::$type === self::TYPE_DARWIN; |
||
0 ignored issues
–
show
Since
$type is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $type to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
146 | } |
||
147 | |||
148 | return static::getType() === self::TYPE_DARWIN; |
||
149 | } |
||
150 | |||
151 | /** |
||
152 | * Checks whether PHP is running on a Cygwin platform |
||
153 | * |
||
154 | * @return bool True when PHP is running on a Cygwin platform, false otherwise. |
||
155 | */ |
||
156 | View Code Duplication | public static function isCygwin() : bool |
|
157 | { |
||
158 | // Return the cached result if it's already available. |
||
159 | if (null !== static::$type) { |
||
0 ignored issues
–
show
Since
$type is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $type to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
160 | return static::$type === self::TYPE_CYGWIN; |
||
0 ignored issues
–
show
Since
$type is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $type to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
161 | } |
||
162 | |||
163 | return static::getType() === self::TYPE_CYGWIN; |
||
164 | } |
||
165 | |||
166 | /** |
||
167 | * Returns the path to the given shell's binary or null when it is not available. |
||
168 | * |
||
169 | * @param string $name |
||
170 | * @return string|null |
||
171 | */ |
||
172 | public static function getShell(string $name) |
||
173 | { |
||
174 | return static::getShells()[$name] ?? null; |
||
175 | } |
||
176 | |||
177 | /** |
||
178 | * Checks whether a shell of the given name is available in the system. |
||
179 | * |
||
180 | * @param string $name |
||
181 | * @return bool |
||
182 | */ |
||
183 | public static function hasShell(string $name) : bool |
||
184 | { |
||
185 | return isset(static::getShells()[$name]); |
||
186 | } |
||
187 | |||
188 | /** |
||
189 | * Returns an array of shell names and the paths to their binaries once populated. Will return an empty |
||
190 | * array on unsupported platforms (Windows). |
||
191 | * |
||
192 | * @return array |
||
193 | */ |
||
194 | public static function getShells() : array |
||
195 | { |
||
196 | // Return the cached result if it's already available. |
||
197 | if (static::$shells !== null) { |
||
0 ignored issues
–
show
Since
$shells is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $shells to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
198 | return static::$shells; |
||
0 ignored issues
–
show
Since
$shells is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $shells to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
199 | } |
||
200 | |||
201 | // Ensure this method will be ran once at most. |
||
202 | static::$shells = []; |
||
0 ignored issues
–
show
Since
$shells is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $shells to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
203 | |||
204 | // Can't easily check on Windows even if Cygwin or the likes are available. |
||
205 | if (static::isWindows()) { |
||
206 | return static::$shells; |
||
0 ignored issues
–
show
Since
$shells is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $shells to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
207 | } |
||
208 | |||
209 | if (file_exists($file = '/etc/shells')) { |
||
210 | $cat = trim(shell_exec('cat '.$file.' 2> /dev/null')); |
||
211 | |||
212 | foreach (explode(PHP_EOL, $cat) as $path) { |
||
213 | // Ignore this line if it doesn't begin with a filepath. |
||
214 | if ($path[0] != '/') { |
||
215 | continue; |
||
216 | } |
||
217 | |||
218 | $name = substr($path, strrpos($path, '/') + 1); |
||
219 | |||
220 | static::$shells[$name] = $path; |
||
0 ignored issues
–
show
Since
$shells is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $shells to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
221 | } |
||
222 | } |
||
223 | |||
224 | return static::$shells; |
||
0 ignored issues
–
show
Since
$shells is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $shells to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
225 | } |
||
226 | |||
227 | /** |
||
228 | * Checks whether this platform has the 'stty' binary. |
||
229 | * |
||
230 | * @return bool True when 'stty' is available on this platform, false otherwise (always false on Windows). |
||
231 | */ |
||
232 | public static function hasStty() : bool |
||
233 | { |
||
234 | // Return the cached result if it's already available. |
||
235 | if (static::$hasStty !== null) { |
||
0 ignored issues
–
show
Since
$hasStty is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $hasStty to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
236 | return static::$hasStty; |
||
0 ignored issues
–
show
Since
$hasStty is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $hasStty to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
237 | } |
||
238 | |||
239 | // Definitely no Stty on Windows. |
||
240 | if (static::isWindows()) { |
||
241 | return static::$hasStty = false; |
||
0 ignored issues
–
show
Since
$hasStty is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $hasStty to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
242 | } |
||
243 | |||
244 | // Run a simple exec() call and check whether it returned with an error code. |
||
245 | exec('/usr/bin/env stty', $output, $exitCode); |
||
246 | |||
247 | return static::$hasStty = $exitCode === 0; |
||
0 ignored issues
–
show
Since
$hasStty is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self , or increasing the visibility of $hasStty to at least protected.
Let’s assume you have a class which uses late-static binding: class YourClass
{
private static $someVariable;
public static function getSomeVariable()
{
return static::$someVariable;
}
}
The code above will run fine in your PHP runtime. However, if you now create a
sub-class and call the class YourSubClass extends YourClass { }
YourSubClass::getSomeVariable(); // Will cause an access error.
In the case above, it makes sense to update class SomeClass
{
private static $someVariable;
public static function getSomeVariable()
{
return self::$someVariable; // self works fine with private.
}
}
![]() |
|||
248 | } |
||
249 | } |
||
250 |
Let’s assume you have a class which uses late-static binding:
The code above will run fine in your PHP runtime. However, if you now create a sub-class and call the
getSomeVariable()
on that sub-class, you will receive a runtime error:In the case above, it makes sense to update
SomeClass
to useself
instead: