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✏️ Editing: NonExecutableCodeUnitTest.1.inc

<?php
switch ($var) {
    case '1':
        return;
        echo 'hi';

case '2':
    case '3':
        if ($something === true) {
            break;
            echo 'hi';
        }
    break;
    default:
        return;

if ($something === true) {
            break;
            echo 'hi';
        }

}

function myFunction($var)
{
    if ($something === TRUE) {
        return;
        echo 'hi';
    }

return;
    return FALSE;
    if ($something === TRUE) {
        return TRUE;
    }

}//end myFunction()

foreach ($vars as $var) {
    if ($something === TRUE) {
        continue;
        break;
    } else {
        continue;
        echo 'hi';
    }

echo $var."\n";
}

switch ($lowerVarType) {
    case 'bool':
        return 'boolean';
        echo 'hi';
    case 'double':
    case 'real':
        return 'float';
        echo 'hi';
}

while ($line=fgets($fp,2*1024*1024))
{
    if (!preg_match("/^<([a-z0-9_]+)/",$line,$matches))
    continue;
    print $line;
}

switch ($var) {
    case 1:
        echo '1';
    break;

echo 'non-executable';
    default:
        echo '2';
    break;
}

switch (0) {
    case 1:
        return '1';

echo 'non-executable';
    default:
    break;
}

function myFunction()
{
    if ($something === TRUE) {
        return;
    }

echo 'foo';
    return;

}//end myFunction()

function myFunction()
{
    return uksort(
        $array,
        function() {
            return mt_rand(-1, 1);
            echo 'done';
        }
    );

}//end myFunction()

public static function thisCausesAnError() {
return new foo(function() {return $foo;}
);
}

function myFunction()
{
    if ($something === TRUE) {
        throw new Exception('exception');
    }

throw new Exception('exception');
    echo 'non-executable';
}//end myFunction()

switch ($var) {
    case 1: {
        return '1';
    }

case 2: {
        return '2';
    }
}

defined('FOO') or die('error');
defined('FOO') || die('error');
interface myInterface {
    function myFunc();
}
echo 'hello';

function foo($color) {
    switch ($color) {
        case 'red':
            return 'yuck';
            break;
        case 'blue':
            return 'yuck';
            break;
        case 'orange':
            return 'yay';
            break;
        default:
            return 'boring';
    }
}

function returnOverMultipleLines($color) {
    switch ($color) {
        case 'red':
            return someFunction(
                'multiple',
                'arguments'
            );
            echo $foo;
        default:
            return array(
                'multiline',
                'array'
            );
    }
}

function test() {
    return array(
                'multiline',
                'array'
            );
    echo $foo;
}

function test(){
    switch($a) {
        case 1:
            if (empty($b))
                return 0;
            break;
        default:
            return 2;
    }

if (empty($a))
        echo '1';
    elseif ($empty($b))
        return 0;
    else
        return 1;

echo "oi";
    return 1;
}

switch ($foo) {
    case 'foo':
        if ($foo)
            return $foo;
        return $bar;
    default:
        return $bar;
}

function foo()
{
    return $bar->{$action . 'JsonAction'}();
}

switch (true) {
    case 1:
        return foo(
            function () {
                $foo = $bar;  // when this is removed it works ok
                return false; // from here on it reports unreachable
            }
        );
}

for($i=0,$j=50; $i<100; $i++) {
  while($j--) {
    if($j==17) {
		goto end;
		echo 'unreachable';
	}
  }
}

switch ($var) {
    case '1':
        goto end;
        echo 'hi';

case '2':
    case '3':
        if ($something === true) {
            goto end;
            echo 'hi';
        }
    break;
    default:
        goto end;

if ($something === true) {
            goto end;
            echo 'hi';
        }
}

end:
echo 'j hit 17';

// Issue 2512.
class TestAlternativeControlStructures {

public function alternative_switch_in_function( $var ) {

switch ( $var ) :
            case 'value1':
                do_something();
                break;

default:
            case 'value2':
                do_something_else();
                break;
        endswitch;
    }

public function various_alternative_control_structures() {
        $_while = 1;

for ( $a = 0; $a++ < 1; ) :
            foreach ( [ 1 ] as $b ) :
                while ( $_while-- ) :
                    if ( 1 ) :
                        switch ( 1 ) :
                            default:
                                echo 'yay, we made it!';
                                break;
                        endswitch;
                    endif;
                endwhile;
            endforeach;
        endfor;
    }
}

$var_after_class_in_global_space = 1;
do_something_else();

// These are parse errors, but that's not the concern of the sniff.
function parseError1() {
    defined('FOO') or return 'foo';
    echo 'unreachable';
}

function parseError2() {
    defined('FOO') || continue;
    echo 'unreachable';
}

// All logical operators are allowed with inline expressions (but this was not correctly handled by the sniff).
function exitExpressionsWithLogicalOperators() {
    $condition = false;
    $condition || \exit();
    $condition or die();

$condition = true;
    $condition && die();
    $condition and exit;

$condition xor die();

echo 'still executable as exit, in all of the above cases, is used as part of an expression';
}

// Inline expressions are allowed in ternaries.
function exitExpressionsInTernary() {
    $value = $myValue ? $myValue : exit();
    $value = $myValue ?: exit();
    $value = $var == 'foo' ? 'bar' : \die( 'world' );

$value = (!$myValue ) ? exit() : $myValue;
    $value = $var != 'foo' ? die( 'world' ) : 'bar';

echo 'still executable';
}

// Inline expressions are allowed with null coalesce and null coalesce equals.
function exitExpressionsWithNullCoalesce() {
    $value = $nullableValue ?? exit();
    $value ??= die();
    echo 'still executable';
}

// Inline expressions are allowed in arrow functions.
function exitExpressionsInArrowFunction() {
    $callable = fn() => die();
    echo 'still executable';
}

// PHP 8.0+: throw expressions which don't stop execution.
function nonStoppingThrowExpressions() {
    $callable = fn() => throw new Exception();

$value = $myValue ? 'something' : throw new Exception();
    $value = $myValue ?: throw new Exception();
    $value = $myValue ? throw new Exception() : 'something';

$value = $nullableValue ?? throw new Exception();
    $value ??= throw new Exception();

$condition && throw new Exception();
    $condition || throw new Exception();
    $condition and throw new Exception();
    $condition or throw new Exception();

echo 'still executable as throw, in all of the above cases, is used as part of an expression';

throw new Exception();
    echo 'non-executable';
}

// PHP 8.0+: throw expressions which do stop execution.
function executionStoppingThrowExpressionsA() {
    $condition xor throw new Exception();
    echo 'non-executable';
}

function executionStoppingThrowExpressionsB() {
    throw $userIsAuthorized ? new ForbiddenException() : new UnauthorizedException();
    echo 'non-executable';
}

function executionStoppingThrowExpressionsC() {
    throw $condition1 && $condition2 ? new Exception1() : new Exception2();
    echo 'non-executable';
}

function executionStoppingThrowExpressionsD() {
    throw $exception ??= new Exception();
    echo 'non-executable';
}

function executionStoppingThrowExpressionsE() {
    throw $maybeNullException ?? new Exception();
    echo 'non-executable';
}

function returnNotRequiredIgnoreCommentsA()
{
    if ($something === TRUE) {
        return /*comment*/;
    }

echo 'foo';
    return /*comment*/;
}

function returnNotRequiredIgnoreCommentsB()
{
    echo 'foo';
    return;
    /*comment*/
}

$closure = function ()
{
    echo 'foo';
    return; // This return should be flagged as not required.
};

function fqnExitWithCodeAfter() {
    do_something();
    exit();
    do_something_else();
}

function fqnExitInControlStructureWithCodeAfter() {
    if(do_something()) {
        die();
        do_something_else();
    }
    do_something_else();
}

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