PHP: Best way to check if input is a valid number?

PHP: Best way to check if input is a valid number?

php input validation numeric

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PHP - Get array value with a numeric index

php arrays get indexing numeric

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converting a number base 10 to base 62 (a-zA-Z0-9)

php encoding character-encoding numeric alphanumeric

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Cast string to either int or float

php string casting numeric

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How can I check if form input is numeric in PHP?

php validation numeric

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PHP: Is_numeric returns false on 0 [closed]

php regex integer numerical numeric

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is_numeric, intval, ctype__digit.. can you rely on them?

php regex numeric

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