<?php echo "\n** warning about bad pattern AND bad parameter: **\n"; var_dump(preg_match('bad pattern', null)); echo "\n** warning about bad pattern only: **\n"; var_dump(preg_match('bad pattern', '')); echo "\n** suppressed warnings: **\n"; var_dump(@preg_match('bad pattern', ''));
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Value for `_results` contains invalid data `array`