[Yaml] Fix warning
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75238c6817
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@ -167,7 +167,7 @@ class Parser
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$value = Inline::load($this->lines[0]);
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if (is_array($value)) {
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$first = reset($value);
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if ('*' === substr($first, 0, 1)) {
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if (is_string($first) && '*' === substr($first, 0, 1)) {
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$data = array();
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foreach ($value as $alias) {
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$data[] = $this->refs[substr($alias, 1)];
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