Online PHP editor | rfc for ml1fn

@ 2022-12-03T04:19:05Z

<?php

function force_ssl_admin( $force = null ) {
	static $forced = false;

	if ( ! is_null( $force ) ) {
		$old_forced = $forced;
		$forced     = $force;
		return $old_forced;
	}

	return $forced;
}

function new_force_ssl_admin( $force = null ) {
	static $forced = false;

	if ( ! is_null( $force ) ) {
		$old_forced = $forced;
		$forced     = (bool) $force;
		return $old_forced;
	}

	return $forced;
}

$datasets = array(
    'null'        => array(
        'force'    => null,
        'expected' => false,
    ),
    '(bool) true' => array(
        'force'    => true,
        'expected' => true,
    ),
    '(bool) false' => array(
        'force'    => false,
        'expected' => false,
    ),
    '(int) 1' => array(
        'force'    => 1,
        'expected' => true,
    ),
    '(int) 0' => array(
        'force'    => 0,
        'expected' => false,
    ),
    '(string) "1"' => array(
        'force'    => '1',
        'expected' => true,
    ),
    '(string) "0"' => array(
        'force'    => '0',
        'expected' => false,
    ),
    '(float) 1.0' => array(
        'force'    => 1.0,
        'expected' => true,
    ),
    '(float) 0.0' => array(
        'force'    => 0.0,
        'expected' => false,
    ),
    '(string) "true"' => array(
        'force'    => 'true',
        'expected' => true,
    ),
    '(string) "false"' => array(
        'force'    => 'false',
        'expected' => true, // (bool) "false" === true
    ),
    'empty string' => array(
        'force'    => '',
        'expected' => false,
    ),
    'string with only spaces' => array(
        'force'    => '   ',
        'expected' => true,
    ),
    'non-empty array' => array(
        'force'    => array( 'item' ),
        'expected' => true,
    ),
    'empty array' => array(
        'force'    => array(),
        'expected' => false,
    ),
    'non-empty object' => array(
        'force'    => (object) array( 'item' ),
        'expected' => true,
    ),
    'empty object' => array(
        'force'    => (object) array(),
        'expected' => true,
    ),
);

foreach( $datasets as $test => $data ) {
    list( $force, $expected ) = array_values( $data );

    force_ssl_admin( $force );
    new_force_ssl_admin( $force );
    $old = (bool) force_ssl_admin();
    $new = new_force_ssl_admin();
    
    echo str_pad( $test .  ': ', max( array_map( 'strlen', array_keys( $datasets ) ) ) + 2 );

    $bc     = $new === $old;
    $assert = $new === $expected;


    if ( $bc && $assert ) {
        echo 'Matches expected value and old value casted to bool.';
    }

    if ( ! $bc ) {
        echo 'BC break. ';
    }

    if ( ! $assert ) {
        echo "Incorrect value. \n";
        echo '-', var_export( $expected, true ), "\n";
        echo '+', var_export( $new, true ), "\n";
    }

    echo "\n";
}

Output for git.master, git.master_jit, rfc.property-hooks: null: Matches expected value and old value casted to bool. (bool) true: Matches expected value and old value casted to bool. (bool) false: Matches expected value and old value casted to bool. (int) 1: Matches expected value and old value casted to bool. (int) 0: Matches expected value and old value casted to bool. (string) "1": Matches expected value and old value casted to bool. (string) "0": Matches expected value and old value casted to bool. (float) 1.0: Matches expected value and old value casted to bool. (float) 0.0: Matches expected value and old value casted to bool. (string) "true": Matches expected value and old value casted to bool. (string) "false": Matches expected value and old value casted to bool. empty string: Matches expected value and old value casted to bool. string with only spaces: Matches expected value and old value casted to bool. non-empty array: Matches expected value and old value casted to bool. empty array: Matches expected value and old value casted to bool. non-empty object: Matches expected value and old value casted to bool. empty object: Matches expected value and old value casted to bool.

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2020-03-21 RFC: Is_Literal - declined
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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
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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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