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php自动类型转换，要遵循什么规则？

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Release： 2016-06-23 14:18:22
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本帖最后由 u011523116 于 2013-08-05 11:49:57 编辑

有这方面的官方文档（中文翻译）么？

回复讨论(解决方案)

基本原则：
对于数学运算，字符串转换为数值
对于字符串运算，数值转换为字符串

基本原则：
对于数学运算，字符串转换为数值
对于字符串运算，数值转换为字符串

给个实例！

echo 1 + "2a";//3
echo 1 . "2a";//12a

echo 1 + "2a";//3
echo 1 . "2a";//12a

点号 . 有什么作用？

字符串连接
似乎你的学习方法有问题

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php自动类型转换，要遵循什么规则？
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