What are the potential implications of the notices generated by PHP 7.2+ regarding non-well-formed numeric values encountered during implicit type conversion?

When PHP 7.2+ encounters non-well-formed numeric values during implicit type conversion, it may generate notices. To solve this issue, you can explicitly cast the variable to the desired numeric type before performing any arithmetic operations. 

$nonWellFormedValue = "abc123";
$numericValue = (int) $nonWellFormedValue;
echo $numericValue;

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PHP 7.2+ notices non-well-formed numeric values implicit type conversion implications

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