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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code

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<?php $variable = '123.45'; if (filter_var($variable, FILTER_VALIDATE_INT) !== false) { echo "$variable is an integer."; } elseif (filter_var($variable, FILTER_VALIDATE_FLOAT) !== false) { echo "$variable is a float."; } else { echo "$variable is not a number."; }
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