Comments
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<?php

function justForIndentation()
{
    // Some text
    # Some text
    /* Some text */
    /** Some text */
    /**
     * Some text.
     * Some more text.
     */
    /*
     * Some text.
     * Some more text.
     */
    /*
        Some text.
        Some more text.
    */
    /* Some text.
       More text. */
    /* Some text.
       More text.
       Even more text. */
    $foo;
}
-----
function justForIndentation()
{
    // Some text
    # Some text
    /* Some text */
    /** Some text */
    /**
     * Some text.
     * Some more text.
     */
    /*
     * Some text.
     * Some more text.
     */
    /*
        Some text.
        Some more text.
    */
    /* Some text.
       More text. */
    /* Some text.
       More text.
       Even more text. */
    $foo;
}
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<?php

function test()
{
    // empty
}
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function test()
{
    // empty
}