有默认参数的函数_PHP
function printColored($Text, $Color="black") //定义function函数
{
print("$Text"); //获取字符串的内容和颜色
}
printColored("这是黑颜色的字!"); //调用function函数
print("
\n");
printColored("这是蓝颜色的字!", "blue"); //调用function函数
print("
\n");
?>


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