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@@ -74,12 +74,15 @@ class Api
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*/
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public function string($cate)
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{
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- $cate = explode(',', $cate);
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- $result = array();
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- foreach ($cate as $k => $v) {
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- $result[$k] = $this->getName($v);
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+ if ($cate) {
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+ $cate = explode(',', $cate);
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+ $result = array();
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+ foreach ($cate as $k => $v) {
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+ $result[$k] = $this->getName($v);
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+ }
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+ return implode(',', $result);
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}
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- return implode(',', $result);
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+ return '';
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}
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