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java软件工程师学php - 2. 非布尔类型可强行用作布尔类型
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- 2016-06-13 10:50:10861browse
java程序员学php - 2. 非布尔类型可强行用作布尔类型
只要数据不是0，那它就可以当作true来用； 否则，就当作false来用。
if("abc") {
echo "abc"; //will print "abc"
}
if(!"0"){
echo "zero"; //will print "zero"
}
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