[$] Scalar typing in the PHP world

When one thinks about the PHP language, terms like "strong typing" and"strict checking" do not normally come to mind. But, as the project workstoward its next major release (to be called PHP 7), it has becomeembroiled in a fierce debate over the proposed addition of some simpletyping features to the language. To some, PHP is growing up into a safer,better-defined language, while others see the changes as possiblydestroying the character of a historically freewheeling language.

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