php解析json

<?php$json = '{\"illness_radio_r\":\"传染病史：无\",\"illness_radio_r1\":\"既往手术史：无\",\"illness_radio_r3\":\"既往其他病史：无\",\"illness_radio_r4\":\"既往是否接受过针灸治疗：无\",\"illness_radio_r5\":\"既往是否有晕针史：有\",\"illness_radio_r2\":\"既往外伤史：有\",\"illness_radio_r6\":\"药物过敏史：有\",\"jiwang_zhenjiu\":\"\",\"jiwang_youjibing\":\"\",\"jiwang_guomin\":\"\",\"jiwang_youwaishang\":\"\",\"jiwang_qita\":\"\",\"jiwang_youshoushu\":\"\",\"jiwang_yunzhen\":\"\"}';$s = '\\"';$json = str_replace($s, '"', $json);$dst = json_decode($json, true);foreach ($dst as $key => $value) {    //echo '<span style="color:green">';    //echo $value;    //echo '</span>';    echo '<div><span style="color:green">' . $value . '</span></div>';    //echo "<textarea name='mydata'>\n";    //echo htmlspecialchars($value)."\n";    //echo "</textarea>"; }?>