<?php $x = 3.4; //float var_dump($x); $tmp = $x; var_dump($tmp); $tmp = array($x); var_dump($tmp); /* array (size=1) 0 => float 3.4 */ $tmp = array(array($x)); var_dump($tmp); /* array ( 0 => array ( 0 => 3.3999999999999999, ), ) */
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Value for `_results` contains invalid data `array`