Comments
-----
<?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;
}