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15 lines
312 B
15 lines
312 B
<?php
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/**
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* 可变函数，就是一个变量等于一个函数的名称，这个变量可以通过，变量()的形式调用函数
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*/
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//1.定义一个函数
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function func_a(){
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echo "hello";
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}
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//2.定义一个变量
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$fn='func_a';
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//3.得到可变函数
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$fn();
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