<?php for ($x = 1; $x < 10; $x++) { echo $x * $x . PHP_EOL; } echo PHP_EOL; for ($x = 1; $x < 10; $x++) { echo "$x * $x" . PHP_EOL; } echo PHP_EOL; for ($x = 1; $x < 10; $x++) { echo '$x * $x' . PHP_EOL; } echo PHP_EOL; for ($x = 1; $x < 10; $x++) { echo $x . '*' . $x . PHP_EOL; }
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Value for `_results` contains invalid data `array`