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	<title>php-Phreaks &#187; __invoke</title>
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		<title>Lambda Functions, Closures, and __invoke</title>
		<link>http://php-phreaks.com/2009/04/26/lambda-functions-closures-and-__invoke/</link>
		<comments>http://php-phreaks.com/2009/04/26/lambda-functions-closures-and-__invoke/#comments</comments>
		<pubDate>Sun, 26 Apr 2009 18:46:22 +0000</pubDate>
		<dc:creator>Sam</dc:creator>
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		<description><![CDATA[Previously, lambda-style functions were only possible by using create_function. This has one major disadvantage, the function is compiled at run time, opcode caches can&#8217;t cache the function at compile time. &#60;?php &#160; $func = create_function&#40;'$a,$b', 'return &#34;ln($a) + ln($b) = &#34; . log($a * $b);'&#41;; echo &#34;New anonymous function: $func\n&#34;; echo $newfunc&#40;2, M_E&#41; . &#34;\n&#34;;]]></description>
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