<?php var_dump( (float) 'NAN' ); var_dump( (float) 'NaN' ); var_dump( (float) 'nan' ); var_dump( (float) ' NAN' ); var_dump( (float) 'NAN ' ); var_dump( (float) ' NAN ' ); var_dump( (float) 'foo' );
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Value for `_results` contains invalid data `array`