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@ 2025-11-07T15:13:16Z

<?php

$a = [null];
echo 'null, valid cast: ' . array_product($a) . "\n\n";

$a = [false];
echo 'false, valid cast: ' . array_product($a) . "\n\n";

$a = [true];
echo 'true, valid cast: ' . array_product($a) . "\n\n";

$a = [''];
echo 'empty string, invalid cast: ' . array_product($a) . "\n\n";

$a = ['42.5'];
echo 'string of a float, valid cast: ' . array_product($a) . "\n\n";

$a = ['42,5'];
echo 'string of comma-separated float, valid cast but not desirable (discards trailing chars): ' . array_product($a) . "\n\n";

$a = ['42a'];
echo 'string of int with trailing alpha char, valid cast but not desirable (discards trailing chars): ' . array_product($a) . "\n\n";

$a = ['a42'];
echo 'string of int with leading alpha char, invalid cast: ' . array_product($a) . "\n\n";

$a = [[]];
echo 'array, invalid cast: ' . array_product($a) . "\n\n";

$a = [new stdClass()];
echo 'class that does not auto-cast, invalid cast: ' . array_product($a) . "\n\n";

$a = [gmp_init(42)];
echo 'gmp, valid cast: ' . array_product($a) . "\n\n";

Output for git.master_jit, git.master: null, valid cast: 0 false, valid cast: 0 true, valid cast: 1 Warning: array_product(): Multiplication is not supported on type string in /in/KdkVP on line 13 empty string, invalid cast: 0 string of a float, valid cast: 42.5 Warning: A non-numeric value encountered in /in/KdkVP on line 19 string of comma-separated float, valid cast but not desirable (discards trailing chars): 42 Warning: A non-numeric value encountered in /in/KdkVP on line 22 string of int with trailing alpha char, valid cast but not desirable (discards trailing chars): 42 Warning: array_product(): Multiplication is not supported on type string in /in/KdkVP on line 25 string of int with leading alpha char, invalid cast: 0 Warning: array_product(): Multiplication is not supported on type array in /in/KdkVP on line 28 array, invalid cast: 1 Warning: array_product(): Multiplication is not supported on type stdClass in /in/KdkVP on line 31 class that does not auto-cast, invalid cast: 1 gmp, valid cast: 42

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Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

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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