It's not needed to convert the $timestamp variable to a number before
passing it as an argument to php:functionString() as the latter will
convert it to a string anyways.
</guid>
<pubDate>
<xsl:variable name="timestamp" select=".//abbr[@data-shorten]/@data-utime"/>
- <xsl:value-of select="php:functionString('Tweeper::epochToRssDate', number($timestamp))"/>
+ <xsl:value-of select="php:functionString('Tweeper::epochToRssDate', $timestamp)"/>
</pubDate>
<description>
</guid>
<pubDate>
<xsl:variable name="timestamp" select="./date"/>
- <xsl:value-of select="php:functionString('Tweeper::epochToRssDate', number($timestamp))"/>
+ <xsl:value-of select="php:functionString('Tweeper::epochToRssDate', $timestamp)"/>
</pubDate>
<description>
<xsl:text disable-output-escaping="yes"><![CDATA[</xsl:text>