问两个常规问题$str = preg_replace ( " {ifs+(。+?)} quot, quot amplt;?php if(\1) {? ampgt;",$ str);问两个常规问题$str = preg_replace ( " {ifs+(。+?)} quot, quot amplt;?php if(\1) {? ampgt;",$ str);简介:$str = preg_replace ( " /\{if\s+(。+?)\ }/ quot;, quot lt?php if(\\1) {? gt",$ str);一般来说,知道意味着把{如果xxx}改成
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