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<HTML>
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<HEAD>
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<TITLE>动态调用函数</TITLE>
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</HEAD>
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<BODY>
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<FONT SIZE=5>
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<?
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function write($text)
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{
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print($text);
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}
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function writeBold($text)
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{
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print("<B>$text</B>");
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}
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$myFunction = "write";
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$myFunction("你好!<BR>");
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print("<BR>\n");
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$myFunction = "writeBold";
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$myFunction("再见!");
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print("<BR>\n");
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?>
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</FONT>
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</BODY>
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</HTML>
实现动态函数调用，$myFunction = "write";$myFunction("你好!<BR>"); 等价于调用write("你好!<BR>");
php 变量名后跟括号()
原文：http://www.cnblogs.com/asdfgh/p/5206487.html
