File "UnusedFunctionParameterUnitTest.inc"

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<?php

function foo($a, $b) {
    return $a * 2;
}

function baz($a, $b) {
    echo "baz({$a});";
}

function bar($a, $b) {
    $x = $b;
    for ($i = 0; $i <$a; $i++) {
        $x += $a * $i;
    }
    return $x;
}

function foobar($a, &$b) {
    return (preg_match('/foo/', $a, $b) !== 0);
}

class Foo implements Bar {
    function barfoo($a, $b) {
        // Empty body means interface method in many cases.
    }

    function fooBar($a, $b) {
        return;
    }
}

function foo($bar)
{
    print <<<BAZ
    $bar
BAZ;
}

function foo( $parameter ) {
    $wango = <<<HERE
1 Must be a HEREdoc of at least one line
HERE;
    $x = $parameter; // This line must be immediately after the HERE; with no intervening blank lines.
    $tango = <<<HERE
1 Must be a HEREdoc
2 
3 
4 
5   
6
7
8 
9 at least 9 lines long
HERE;
}

function foo( $parameter ) {
    return <<<HTML
<?xml version="1.0"?>
<value>$parameter</value>
HTML;
}

print foo( 'PARAMETER' );
print "\n";

function foo($bar)
{
    print "${bar} things\n";
}

function bar($x)
{
    return 2 * ${x};
}

$foo = function ($a, $b) {
    return $a * 2;
};

function foobar() {
    return;
}


/*
 * The function signature of methods in extended classes and implemented
 * interfaces has to mirror the parent class/interface.
 * The overloaded method may not use all params.
 */

class MyClass {
    public function something($a, $b) {
        return $a * 2;
    }
}

class MyExtendedClass extends SomeClass {
    public function something($a, $b) {
        return $a * 2;
    }
}

class MyExtendedClass implements SomeInterface {
    public function something($a, $b) {
        return $a * 2;
    }
}


/*
 * Functions may not use all params passed to them.
 * Report different violations for params *before* and *after* the last param used.
 */

function something($a) {
    return 'foobar';
}

function myCallback($a, $b, $c, $d) {
    return $a * $c;
}

fn ($a, $b, $c) => $b;

// phpcs:set Generic.CodeAnalysis.UnusedFunctionParameter ignoreTypeHints[] Exception

function oneParam(Exception $foo) {
    return 'foobar';
}

function moreParamFirst(Exception $foo, LogicException $bar) {
    return 'foobar' . $bar;
}

function moreParamSecond(LogicException $bar, Exception $foo) {
    return 'foobar' . $bar;
}
// phpcs:set Generic.CodeAnalysis.UnusedFunctionParameter ignoreTypeHints[]

class ConstructorPropertyPromotionNoContentInMethod {
    public function __construct(protected int $id) {}
}

class ConstructorPropertyPromotionWithContentInMethod {
    public function __construct(protected int $id, $toggle = true) {
        if ($toggle === true) {
            doSomething();
        }
    }
}

$found = in_array_cb($needle, $haystack, fn($array, $needle) => $array[2] === $needle);