PHP self-study no00006 data type string escape character
<!--转义字符在字符串输出时需要通过转义符“\”来显示--> <!--使用单号号时,原样输出只需要对单引号“'”“\”转义--> <!--使用双引号时,输出需要注意转义字符前加转义符“\”--> <?php //前面的序号只为分清运行结果 echo '1\n'; //单引号原样输出 echo "2\n"; //双引号换行 echo '3\r'; echo "4\r"; //回车 echo '5\t'; echo "6\t"; //水平制表符 echo '7\\'; //输出一个反斜杠 echo "8\\"; //输出一个反斜杠 echo '9\$'; //一个反斜杠加美元符 echo "10\$"; //输出美元符 echo '11\''; //单引号 echo "12\'"; //反斜杠加单引号 /*这里的单引号双引号自己老是搞不清,所以想了个办法, 转义符\是警察,单引号是自卫男,双引号是痴情女。 单引号自卫男只对自已'和警察\这二个符号转义 双引号痴情女其它都转义就是不理自卫男'不转义 */ echo '13\"'; //输出一个斜杠一个双引号 echo "14\""; //输出一个双引号 echo '15\[0-7]{1,3}'; echo "16\[0-7]{1,3}"; echo '17\x[0-9A-Fa-f]{1,2}'; echo "18\x[0-9A-Fa-f]{1,2}"; ?>
以上就介绍了PHP self-study no00006 data type string escape character,包括了方面的内容,希望对PHP教程有兴趣的朋友有所帮助。

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