and let’s assume the following content of Bar.php:
// Bar.phpnamespaceOtherDir;useSomeDir\Foo;// This now conflicts the class OtherDir\Foo
If both files OtherDir/Foo.php and SomeDir/Foo.php are loaded in the
same runtime, you will see a PHP error such as the following:
PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.php
However, as OtherDir/Foo.php does not necessarily have to be loaded and the
error is only triggered if it is loaded before OtherDir/Bar.php, this problem
might go unnoticed for a while. In order to prevent this error from surfacing,
you must import the namespace with a different alias:
// Bar.phpnamespaceOtherDir;useSomeDir\FooasSomeDirFoo;// There is no conflict anymore.
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22
use Surfnet\StepupMiddleware\CommandHandlingBundle\Pipeline\Exception\ProcessingAbortedException;
23
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class SecondFactorNotAllowedException extends RuntimeException implements ProcessingAbortedException
25
{
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/**
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* @var string[]
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*/
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private $errors;
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/**
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* @return string[]
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*/
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public function getErrors()
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{
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return $this->errors;
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}
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public function __construct($message = "", $code = 0, Exception $previous = null)
The string literal does not require double quotes, as per coding-style, please use single quotes.
PHP provides two ways to mark string literals. Either with single quotes 'literal' or with
double quotes "literal". The difference between these is that string literals in double quotes
may contain variables with are evaluated at run-time as well as escape sequences.
String literals in single quotes on the other hand are evaluated very literally and the only two
characters that needs escaping in the literal are the single quote itself (\') and the
backslash (\\). Every other character is displayed as is.
Double quoted string literals may contain other variables or more complex escape sequences.
<?php$singleQuoted='Value';$doubleQuoted="\tSingle is $singleQuoted";print$doubleQuoted;
will print an indented: SingleisValue
If your string literal does not contain variables or escape sequences, it should be defined
using single quotes to make that fact clear.
For more information on PHP string literals and available escape sequences see the PHP core
documentation.
OpenConext /
Stepup-Middleware
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Let’s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let’s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: