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✏️ Editing: DoubleArrowTest.inc

<?php

function simpleLongArray($x) {
    return array(
        /* testLongArrayArrowSimple */
        0 => 'Zero',
    );
}

function simpleShortArray($x) {
    return [
        /* testShortArrayArrowSimple */
        0 => 'Zero',
    ];
}

function simpleLongList($x) {
    list(
        /* testLongListArrowSimple */
        0 => $a,
    ) = $x;
}

function simpleShortList($x) {
    [
        /* testShortListArrowSimple */
        0 => $a,
    ] = $x;
}

function simpleYield($x) {
    $i = 0;
    foreach (explode("\n", $x) as $line) {
        /* testYieldArrowSimple */
        yield ++$i => $line;
    }
}

function simpleForeach($x) {
    /* testForeachArrowSimple */
    foreach ($x as $k => $value) {}
}

function simpleMatch($x) {
    return match ($x) {
        /* testMatchArrowSimpleSingleCase */
        0 => 'Zero',
        /* testMatchArrowSimpleMultiCase */
        2, 4, 6 => 'Zero',
        /* testMatchArrowSimpleSingleCaseWithTrailingComma */
        1, => 'Zero',
        /* testMatchArrowSimpleMultiCaseWithTrailingComma */
        3, 5, => 'Zero',
    };
}

function simpleArrowFunction($y) {
    /* testFnArrowSimple */
    return fn ($y) => callMe($y);
}

function matchNestedInMatch() {
    $x = match ($y) {
        /* testMatchArrowNestedMatchOuter */
        default, => match ($z) {
            /* testMatchArrowNestedMatchInner */
            1 => 1
        },
    };
}

function matchNestedInLongArrayValue() {
    $array = array(
        /* testLongArrayArrowWithNestedMatchValue1 */
        'a' => match ($test) {
            /* testMatchArrowInLongArrayValue1 */
            1 => 'a',
            /* testMatchArrowInLongArrayValue2 */
            2 => 'b'
        },
        /* testLongArrayArrowWithNestedMatchValue2 */
        $i => match ($test) {
            /* testMatchArrowInLongArrayValue3 */
            1 => 'a',
        },
    );
}

function matchNestedInShortArrayValue() {
    $array = [
        /* testShortArrayArrowWithNestedMatchValue1 */
        'a' => match ($test) {
            /* testMatchArrowInShortArrayValue1 */
            1 => 'a',
            /* testMatchArrowInShortArrayValue2 */
            2 => 'b'
        },
        /* testShortArrayArrowWithNestedMatchValue2 */
        $i => match ($test) {
            /* testMatchArrowInShortArrayValue3 */
            1 => 'a',
        },
    ];
}

function matchNestedInLongArrayKey() {
    $array = array(
        match ($test) { /* testMatchArrowInLongArrayKey1 */ 1 => 'a', /* testMatchArrowInLongArrayKey2 */ 2 => 'b' }
            /* testLongArrayArrowWithMatchKey */
            => 'dynamic keys, woho!',
    );
}

function matchNestedInShortArrayKey() {
    $array = [
        match ($test) { /* testMatchArrowInShortArrayKey1 */ 1 => 'a', /* testMatchArrowInShortArrayKey2 */ 2 => 'b' }
            /* testShortArrayArrowWithMatchKey */
            => 'dynamic keys, woho!',
    ];
}

function arraysNestedInMatch() {
    $matcher = match ($x) {
        /* testMatchArrowWithLongArrayBodyWithKeys */
        0 => array(
            /* testLongArrayArrowInMatchBody1 */
            0 => 1,
            /* testLongArrayArrowInMatchBody2 */
            'a' => 2,
            /* testLongArrayArrowInMatchBody3 */
            'b' => 3
        ),
        /* testMatchArrowWithShortArrayBodyWithoutKeys */
        1 => [1, 2, 3],
        /* testMatchArrowWithLongArrayBodyWithoutKeys */
        2 => array( 1, [1, 2, 3], 2, 3),
        /* testMatchArrowWithShortArrayBodyWithKeys */
        3 => [
            /* testShortArrayArrowInMatchBody1 */
            0 => 1,
            /* testShortArrayArrowInMatchBody2 */
            'a' => array(1, 2, 3),
            /* testShortArrayArrowInMatchBody3 */
            'b' => 2,
            3
        ],
        /* testShortArrayArrowinMatchCase1 */
        [4 => 'a', /* testShortArrayArrowinMatchCase2 */ 5 => 6]
            /* testMatchArrowWithShortArrayWithKeysAsCase */
            => 'match with array as case value',
        /* testShortArrayArrowinMatchCase3 */
        [4 => 'a'], /* testLongArrayArrowinMatchCase4 */ array(5 => 6),
            /* testMatchArrowWithMultipleArraysWithKeysAsCase */
            => 'match with multiple arrays as case value',
    };
}

function matchNestedInArrowFunction($x) {
    /* testFnArrowWithMatchInValue */
    $fn = fn($x) => match(true) {
        /* testMatchArrowInFnBody1 */
        1, 2, 3, 4, 5 => 'foo',
        /* testMatchArrowInFnBody2 */
        default => 'bar',
    };
}

function arrowFunctionsNestedInMatch($x) {
    return match ($x) {
        /* testMatchArrowWithFnBody1 */
        1 => /* testFnArrowInMatchBody1 */ fn($y) => callMe($y),
        /* testMatchArrowWithFnBody2 */
        default => /* testFnArrowInMatchBody2 */ fn($y) => callThem($y)
    };
}

function matchShortArrayMismash() {
    $array = [
        match ($test) {
            /* testMatchArrowInComplexShortArrayKey1 */
            1 => [ /* testShortArrayArrowInComplexMatchValueinShortArrayKey */ 1 => 'a'],
            /* testMatchArrowInComplexShortArrayKey2 */
            2 => 'b'
        /* testShortArrayArrowInComplexMatchArrayMismash */
        } => match ($test) {
            /* testMatchArrowInComplexShortArrayValue1 */
            1 => [ /* testShortArrayArrowInComplexMatchValueinShortArrayValue */ 1 => 'a'],
            /* testMatchArrowInComplexShortArrayValue2 */
            2 => /* testFnArrowInComplexMatchValueInShortArrayValue */ fn($y) => callMe($y)
        },
    ];
}

function longListInMatch($x, $y) {
    return match($x) {
        /* testMatchArrowWithLongListBody */
        1 => list('a' => $a, /* testLongListArrowInMatchBody */ 'b' => $b, 'c' => list('d' => $c)) = $y,
        /* testLongListArrowInMatchCase */
        list('a' => $a, 'b' => $b) = $y /* testMatchArrowWithLongListInCase */ => 'something'
    };
}

function shortListInMatch($x, $y) {
    return match($x) {
        /* testMatchArrowWithShortListBody */
        1 => ['a' => $a, 'b' => $b, 'c' => /* testShortListArrowInMatchBody */  ['d' => $c]] = $y,
        /* testShortListArrowInMatchCase */
        ['a' => $a, 'b' => $b] = $y /* testMatchArrowWithShortListInCase */ => 'something'
    };
}

function matchInLongList() {
    /* testMatchArrowInLongListKey */
    list(match($x) {1 => 1, 2 => 2} /* testLongListArrowWithMatchInKey */ => $a) = $array;
}

function matchInShortList() {
    /* testMatchArrowInShortListKey */
    [match($x) {1 => 1, 2 => 2} /* testShortListArrowWithMatchInKey */ => $a] = $array;
}

function longArrayWithConstantKey() {
    $arr = array(
        /* testLongArrayArrowWithClassConstantKey */
        SomeClass::DEFAULT => 1,
    );
}

function shortArrayWithConstantKey() {
    $arr = [
        /* testShortArrayArrowWithClassConstantKey */
        SomeClass::DEFAULT => 1,
    ];
}

function yieldWithConstantKey() {
    /* testYieldArrowWithClassConstantKey */
    yield SomeClass::DEFAULT => 1;
}

function longArrayWithConstantKeyNestedInMatch() {
    return match($x) {
        /* testMatchArrowWithNestedLongArrayWithClassConstantKey */
        default => array(
            /* testLongArrayArrowWithClassConstantKeyNestedInMatch */
            SomeClass::DEFAULT => 1,
        ),
    };
}

function shortArrayWithConstantKeyNestedInMatch() {
    return match($x) {
        /* testMatchArrowWithNestedShortArrayWithClassConstantKey */
        default => [
            /* testShortArrayArrowWithClassConstantKeyNestedInMatch */
            SomeClass::DEFAULT => 1,
        ],
    };
}

function longArrayWithConstantKeyWithNestedMatch() {
    return array(
        /* testLongArrayArrowWithClassConstantKeyWithNestedMatch */
        SomeClass::DEFAULT => match($x) {
            /* testMatchArrowNestedInLongArrayWithClassConstantKey */
            default => 'foo'
        },
    );
}

function shortArrayWithConstantKeyWithNestedMatch() {
    return [
        /* testShortArrayArrowWithClassConstantKeyWithNestedMatch */
        SomeClass::DEFAULT => match($x) {
            /* testMatchArrowNestedInShortArrayWithClassConstantKey */
            default => 'foo'
        },
    ];
}

MR SKB