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NoSilencedErrorsStandard.xml
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<documentation title="Silenced Errors"> <standard> <![CDATA[ Suppressing Errors is not allowed. ]]> </standard> <code_comparison> <code title="Valid: isset() is used to verify that a variable exists before trying to use it."> <![CDATA[ if (<em>isset($foo)</em> && $foo) { echo "Hello\n"; } ]]> </code> <code title="Invalid: Errors are suppressed."> <![CDATA[ if (<em>@</em>$foo) { echo "Hello\n"; } ]]> </code> </code_comparison> </documentation>