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@ 2014-02-15T17:30:51Z

<?php

$s0 = 'Α';
$s1 = 'А';
$s2 = 'A';
$s3 = 'a';
$s4 = 'а';

$err = null;
$sp = new \Spoofchecker();
$sp->setAllowedLocales('en_EN');
$sp->setChecks(\Spoofchecker::SINGLE_SCRIPT_CONFUSABLE | \Spoofchecker::MIXED_SCRIPT_CONFUSABLE | \Spoofchecker::WHOLE_SCRIPT_CONFUSABLE);

// non-unicode, but enough to differentiate
var_dump(ord($s0), ord($s1), ord($s2), ord($s3), ord($s4)); // 206, 208, 65, 97, 208

var_dump('Confusable 0-1: ' . $sp->areConfusable($s0, $s1, $err), 'Error: ' . $err); // no, 0
var_dump('Confusable 1-2: ' . $sp->areConfusable($s1, $s2, $err), 'Error: ' . $err); // no, 0
var_dump('Confusable 2-3: ' . $sp->areConfusable($s2, $s3, $err), 'Error: ' . $err); // no, 0
var_dump('Confusable 3-4: ' . $sp->areConfusable($s3, $s4, $err), 'Error: ' . $err); // yes, 6

var_dump('Suspicious #0: ' . $sp->isSuspicious($s0, $err), 'Error: ' . $err); // no, 0
var_dump('Suspicious #1: ' . $sp->isSuspicious($s1, $err), 'Error: ' . $err); // no, 0
var_dump('Suspicious #2: ' . $sp->isSuspicious($s2, $err), 'Error: ' . $err); // no, 0
var_dump('Suspicious #3: ' . $sp->isSuspicious($s3, $err), 'Error: ' . $err); // yes, 4
var_dump('Suspicious #4: ' . $sp->isSuspicious($s4, $err), 'Error: ' . $err); // yes, 4

Output for git.master, git.master_jit: int(206) int(208) int(65) int(97) int(208) string(17) "Confusable 0-1: 1" string(7) "Error: " string(17) "Confusable 1-2: 1" string(7) "Error: " string(16) "Confusable 2-3: " string(7) "Error: " string(17) "Confusable 3-4: 1" string(7) "Error: " string(15) "Suspicious #0: " string(7) "Error: " string(15) "Suspicious #1: " string(7) "Error: " string(15) "Suspicious #2: " string(7) "Error: " string(16) "Suspicious #3: 1" string(7) "Error: " string(16) "Suspicious #4: 1" string(7) "Error: "
Output for rfc.property-hooks: int(206) int(208) int(65) int(97) int(208) string(17) "Confusable 0-1: 1" string(8) "Error: 6" string(17) "Confusable 1-2: 1" string(8) "Error: 6" string(16) "Confusable 2-3: " string(8) "Error: 0" string(17) "Confusable 3-4: 1" string(8) "Error: 6" string(15) "Suspicious #0: " string(8) "Error: 0" string(15) "Suspicious #1: " string(8) "Error: 0" string(15) "Suspicious #2: " string(8) "Error: 0" string(16) "Suspicious #3: 1" string(8) "Error: 4" string(16) "Suspicious #4: 1" string(8) "Error: 4"

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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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