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fix PHP Deprecated: Using ${var} in strings is deprecated, use {$var} instead
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@ -1676,7 +1676,7 @@ class Base
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{
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if ((int) $this->debug >= 4)
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{
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echo "<p>not_unique in ".array2string($col)." as for '$key_col': '${data[$key_col]}' != '${other[$key_col]}'</p>\n";
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echo "<p>not_unique in ".array2string($col)." as for '$key_col': '{$data[$key_col]}' != '{$other[$key_col]}'</p>\n";
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}
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return $n; // different entry => $n not unique
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}
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