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PHP怎么去掉字符里的控制字符

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Release: 2016-06-06 20:46:54
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我采集到的信息里经常出现:
DLE Data Link Escape (数据链路转义)
当有这个控制字符的时候,做json_encode() json_decode().就会失败。 请问如何把这种控制字符去掉呢?

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我采集到的信息里经常出现:
DLE Data Link Escape (数据链路转义)
当有这个控制字符的时候,做json_encode() json_decode().就会失败。 请问如何把这种控制字符去掉呢?

<code class="lang-php">preg_replace( '/[\x00-\x1F]/','',$str);
</code>
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