PHP引用（&）案例介绍
2020-03-19 16:51:42

变量引用 案例：<?php//变量单独引用$test = "a string!";$quote = &$test; echo $test; //a string!echo $quote;//a string! $quote = "exchange!";echo $test; //exchange!echo $quote;//exchange! unset($quote);echo $test; //exchange! //函数传参引用$num = 10;echo $num."";test($num);ec ......

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