你能直接复制里面内容粘贴出来么，我这好写

$a = '[ 2017-03-29T16:28:57+08:00 ] 127.0.0.1 /home/static/generate/eid/167
ERR: {"tableName":"report_baseinfo","primarykey":1,"evaluationId":null,"msg":"u8bb0u5f55u5931u8d25"}
[ 2017-03-29T16:28:57+08:00 ] 127.0.0.1 /home/static/generate/eid/167
ERR: {"tableName":"report_baseinfo","primarykey":1,"evaluationId":null,"msg":"u8bb0u5f55u5931u8d25"}';

 preg_match_all('/ERR: {"tableName":(.*?),"primarykey":(.*?),"evaluationId":(.*?),"msg":(.*?)}/',$a,$rsa);

 $result = array();
 foreach($rsa[0] as $key=>$rval) {
    $result[$key]["errmsg"] =  $rval;
    $result[$key]["tableName"] =  $rsa[1][$key];
    $result[$key]["primarykey"] =  $rsa[2][$key];
    $result[$key]["evaluationId"] =  $rsa[3][$key];
    $result[$key]["msg"] =  $rsa[4][$key];
 }
 var_dump($result);