Someone

<?xml version="1.0" encoding="UTF-8" ?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

    <xsl:output method="text" indent="no" encoding="UTF-8" />

    <xsl:template match="/">
        <xsl:text disable-output-escaping="yes"><![CDATA[<?php]]></xsl:text>
        $weather = array(
            <xsl:apply-templates select="*" />
            <xsl:apply-templates select="@*" />
        );
        <xsl:text disable-output-escaping="yes"><![CDATA[?>]]></xsl:text>
    </xsl:template>

    <xsl:template match="*">
        '<xsl:value-of select="name()" />' => array(
            <xsl:apply-templates select="*" />
            <xsl:apply-templates select="@*" />
        ),
    </xsl:template>

    <xsl:template match="@*">
        '<xsl:value-of select="name()" />' => '<xsl:value-of select="." disable-output-escaping="yes" />',
    </xsl:template>

</xsl:stylesheet>