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Informations about the package scalar-types

Squirrel Scalar Types

Packagist Version PHP Version

Make the coercive mode and strict mode behavior of PHP accessible explicitly via functions: Includes coercions and is_coerceable checks that work like the implicit scalar type coercions in PHP, and an easy way to enforce a specific scalar type mimicking the behavior of strict mode in PHP.

Installation

composer require squirrelphp/scalar-types

Table of contents

Test if value can be coerced

All these functions have one mixed argument $value and return true or false:

is_coerceable_to_int

Returns true if $value is one of the following:

For any other values it returns false.

is_coerceable_to_float

Returns true if $value is one of the following:

For any other values it returns false.

is_coerceable_to_bool

Returns true if $value is one of the following:

For any other values it returns false.

is_coerceable_to_string

Returns true if $value is one of the following:

For any other values it returns false.

Coerce value

All these functions have one mixed argument $value and return the type they are coercing to, following the same logic as implicit type coercions in PHP.

coerce_to_int

Coerce a value like PHP 8.2 would do it, which can lead to a TypeError for non-scalar and non-numeric values and a deprecation notice for a float or numeric string with a fractional part.

coerce_to_float

Coerce a value like PHP 8.2 would do it, which can lead to a TypeError for non-scalar and non-numeric values.

coerce_to_bool

Coerce a value like PHP 8.2 would do it, which can lead to a TypeError for non-scalar values and a deprecation notice for values other than "", "0", "1", 0, 1, 0.0 and 1.0.

coerce_to_string

Coerce a value like PHP 8.2 would do it, which can lead to a TypeError for non-scalar values except if it is an object that implements the magic __toString method.

Enforce a type for a value

All these functions have one mixed argument $value and return the type they are enforcing, according to the same logic as strict mode in PHP.

enforce_int

Returns $value as an integer if it is an integer. Throws a TypeError otherwise.

enforce_float

Returns $value as a float if it is an integer or a float. Throws a TypeError otherwise.

enforce_bool

Returns $value as a boolean if it is a boolean. Throws a TypeError otherwise.

enforce_string

Returns $value as a string if it is a string. Throws a TypeError otherwise.

All versions of scalar-types with dependencies

PHP Build Version
Package Version
Requires php Version >=7.2
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