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@ 2018-03-03T18:32:10Z

<?php

$a = -10;
var_dump( $a);

$a = -          10;
var_dump( $a);

$a = - /* comment */ 10;
var_dump( $a);

$a = -
    // comment
	10;
var_dump( $a);

$a = -'10';
var_dump( $a);

$a = -  /* comment */ "10";
var_dump( $a);


$a = -10.123;
var_dump( $a);

$a = -          10.123;
var_dump( $a);

$a = - /* comment */ 10.123;
var_dump( $a);

$a = -
    // comment
	10.123;
var_dump( $a);

$a = -'10.123';
var_dump( $a);

$a = -  /* comment */ "10.123";
var_dump( $a);

$a = - '10 barbary lane';
var_dump( $a);

$a = - '10E3 barbary lane';
var_dump( $a);

$a = - true;
var_dump( $a);

$a = - "something $a";
var_dump( $a);

$a = - <<<EOT
something $a
EOT;
var_dump( $a);

$a = - <<<EOT
10
EOT;
var_dump( $a);

$a = 'bla';
$a = -$a;
var_dump( $a);

$a = - <<<'EOT'
1
0
EOT;
var_dump( $a);

$a = - '0xCC00F9';
var_dump( $a);

$a = - '10e3 barbary lane';
var_dump( $a);


$a = - '        10 barbary lane';
var_dump( $a);

$a = - '      
        10 barbary lane';
var_dump( $a);

$a = - '10e3.1234 barbary lane';
var_dump( $a);

$a = - '.1234 barbary lane';
var_dump( $a);

Output for git.master, git.master_jit, rfc.property-hooks: int(-10) int(-10) int(-10) int(-10) int(-10) int(-10) float(-10.123) float(-10.123) float(-10.123) float(-10.123) float(-10.123) float(-10.123) Warning: A non-numeric value encountered in /in/npTeM on line 44 int(-10) Warning: A non-numeric value encountered in /in/npTeM on line 47 float(-10000) int(-1) Fatal error: Uncaught TypeError: Unsupported operand types: string * int in /in/npTeM:53 Stack trace: #0 {main} thrown in /in/npTeM on line 53
Process exited with code 255.

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2022-12-01 RFC: Property hooks - included in PHP 8.4
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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