Abstract
Type declarations allow a function to declare the expected types of their parameters and return value. This permits the PHP engine to enforce that the specified types are used.
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© 2016 Mikael Olsson
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Olsson, M. (2016). Type Declarations. In: PHP 7 Quick Scripting Reference. Apress, Berkeley, CA. https://doi.org/10.1007/978-1-4842-1922-5_18
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DOI: https://doi.org/10.1007/978-1-4842-1922-5_18
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Publisher Name: Apress, Berkeley, CA
Print ISBN: 978-1-4842-1921-8
Online ISBN: 978-1-4842-1922-5
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