File: vendor/phpcsstandards/phpcsextra/Universal/Docs/Arrays/MixedArrayKeyTypesStandard.xml

<?xml version="1.0"?>
<documentation xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="https://phpcsstandards.github.io/PHPCSDevTools/phpcsdocs.xsd"
    title="Mixed Array Key Types"
    >
    <standard>
    <![CDATA[
        In an array where the items have keys, all items should either have a numeric key assigned or a string key. A mix of numeric and string keys is not allowed.
    ]]>
    </standard>
    <code_comparison>
        <code title="Valid: Arrays with either numeric keys or string keys.">
        <![CDATA[
$args = array(
    <em>'foo'</em> => 22,
    <em>'bar'</em> => 25,
);

$args = array(
    <em>0</em> => 22,
    <em>1</em> => 25,
);
        ]]>
        </code>
        <code title="Invalid: Arrays with a mix of numeric and string keys.">
        <![CDATA[
$args = array(
    'foo' => 22,
    25,
);

$args = array(
    'foo' => 22,
    12    => 25,
);

        ]]>
        </code>
    </code_comparison>
</documentation>