在字符串中如何保留$
$str="百度影音$$1024高清国语中字版$bdhd://1183200391|E067EEAB1560E1FDCE2F8927625E4AEF|钢铁侠3.HD1024高清国语中字.rmvb$bdhd#1024高清中英双字版$bdhd://1086150825|D54A605693F6EFEB6EB6EE212C618CA1|钢铁侠3.BD1024高清中英双字.rmvb$bdhd#1280超清中英双字MKV版$bdhd://2561208627|C2E6E4ECCEE8BB364D92F9A1201E99B1|钢铁侠3.BD1280超清中英双字.mkv$bdhd#1280高清中英双字版$bdhd://1479559068|AFFECBC57E728AA3D335741CB857D0C9|钢铁侠3.BD1280高清中英双字.rmvb$bdhd$$$迅播高清$$1024高清国语中字版$gvod://xlj.2tu.cc:8089/061C15A782E45412F4DF7AB71D511DA6DE969A70/1183200391/[迅雷下载www.2tu.cc]钢铁侠3.HD1024高清国语中字.rmvb$gvod#1024高清中英双字版$gvod://xlj.2tu.cc:8089/5F10D84070A1D5854FA855F51D7B0AAB661FC316/1086150825/[迅雷下载www.2tu.cc]钢铁侠3.BD1024高清中英双字.rmvb$gvod#1280超清中英双字MKV版$gvod://xlj.2tu.cc:8089/1776E72DB88ECAA725270302A8F508760D85EB8F/2561208627/[迅雷下载www.2tu.cc]钢铁侠3.BD1280超清中英双字.mkv$gvod#1280高清中英双字版$gvod://xlj.2tu.cc:8089/C91DCC7E81D9CE99C1103AFB015FB9A6D5B475A9/1479559068/[迅雷下载www.2tu.cc]钢铁侠3.BD1280高清中英双字.rmvb$gvod";
我想保留$为什么输出就都不见了 需要加什么
回复讨论(解决方案)
$str='$1$2$3';
使用单引号就好了，不涉及变量的字符串就使用单引号嘛。
加引号....
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