知识大全 PHP cdata 处理(详细介绍)

Posted 2022-07-20 知

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之前为项目赶进度用php 的simplexml来解析 xml 当时发现 simplexml不支持<![CDATA标签所有处于这个标签内的值都没有办法取到

　　当时在网上找了一个CDATA的转换器修改之后将CDATA标签给过滤掉如下

复制代码代码如下: // States: // // out // < // <! // <![ // <![C // <![CD // <![CDAT // <![CDATA // in // ] // ]] // // (Yes the states a represented by strings ) // $state = out ; $a = str_split($xml); $new_xml = ; foreach ($a AS $k => $v) // Deal with "state" switch ( $state ) case out : if ( < == $v ) $state = $v; else $new_xml = $v; break; case < : if ( ! == $v ) $state = $state $v; else $new_xml = $state $v; $state = out ; break; case <! : if ( [ == $v ) $state = $state $v; else $new_xml = $state $v; $state = out ; break; case <![ : if ( C == $v ) $state = $state $v; else $new_xml = $state $v; $state = out ; break; case <![C : if ( D == $v ) $state = $state $v; else $new_xml = $state $v; $state = out ; break; case <![CD : if ( A == $v ) $state = $state $v; else $new_xml = $state $v; $state = out ; break; case <![CDA : if ( T == $v ) $state = $state $v; else $new_xml = $state $v; $state = out ; break; case <![CDAT : if ( A == $v ) $state = $state $v; else $new_xml = $state $v; $state = out ; break; case <![CDATA : if ( [ == $v ) $cdata = ; $state = in ; else $new_xml = $state $v; $state = out ; break; case in : if ( ] == $v ) $state = $v; else $cdata = $v; break; case ] : if ( ] == $v ) $state = $state $v; else $cdata = $state $v; $state = in ; break; case ]] : if ( > == $v ) $new_xml = entities($cdata); # $new_xml = $cdata; // $new_xml = str_replace( > > // str_replace( > < // str_replace( " " // str_replace( & & // $cdata)))); $state = out ; else $cdata = $state $v; $state = in ; break; // switch // // Return // return $new_xml; cha138/Article/program/Java/JSP/201311/20144