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@ 2017-10-06T14:14:54Z

<?php

// Casting with integer or int are equivalent and work fine
var_dump((integer) 2);
var_dump((int) 3);

// int as a return type hint works
function returnFour() : int
{
   // casting as integer satisfies the int return type hint
   return (integer) 4;
}

// int as a parmater type hit works
function addOne(int $var2) : int
{
   return $var2 + 1;
}

// integer as a return type hint does NOT work
// Error
function returnFive() : integer
{
   return (integer) 5;
}

// integer as a parameter type hint does NOT work
// Error
function addOneInteger(integer $var1) : int
{
   return $var1 + 1;
}

// the first two work
$var1 = returnFour();
var_dump($var1);

$var2 = addOne(8);
var_dump($var2);

// these ones fail
$var3 = returnFive(7);
var_dump($var3);

$var4 = addOneInteger();
var_dump($var4);

Output for git.master, git.master_jit, rfc.property-hooks: Warning: "integer" will be interpreted as a class name. Did you mean "int"? Write "\integer" to suppress this warning in /in/gv4n3 on line 22 Warning: "integer" will be interpreted as a class name. Did you mean "int"? Write "\integer" to suppress this warning in /in/gv4n3 on line 29 int(2) int(3) int(4) int(9) Fatal error: Uncaught TypeError: returnFive(): Return value must be of type integer, int returned in /in/gv4n3:24 Stack trace: #0 /in/gv4n3(42): returnFive(7) #1 {main} thrown in /in/gv4n3 on line 24
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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