PHP 8.1.31 Released!

    La clase Spoofchecker

    (PHP 5 >= 5.4.0, PHP 7, PHP 8, PECL intl >= 2.0.0)

    Introducción

    Sinopsis de la Clase

    class Spoofchecker {
    /* Constantes */
    const integer SINGLE_SCRIPT_CONFUSABLE = 1;
    const integer MIXED_SCRIPT_CONFUSABLE = 2;
    const integer WHOLE_SCRIPT_CONFUSABLE = 4;
    const integer ANY_CASE = 8;
    const integer SINGLE_SCRIPT = 16;
    const integer INVISIBLE = 32;
    const integer CHAR_LIMIT = 64;
    /* Métodos */
    public areConfusable(string $s1, string $s2, string &$error = ?): bool
    public __construct()
    public isSuspicious(string $text, string &$error = ?): bool
    public setAllowedLocales(string $locale_list): void
    public setChecks(long $checks): void
    public setRestrictionLevel(int $level): void
    }

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    User Contributed Notes 2 notes

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    Anonymous
    7 years ago
    From http://icu-project.org/apiref/icu4j/com/ibm/icu/text/SpoofChecker.html :
    SINGLE_SCRIPT_CONFUSABLE: indicates that the two strings are visually confusable and that they are from the same script
    MIXED_SCRIPT_CONFUSABLE: indicates that the two strings are visually confusable and that they are NOT from the same script
    WHOLE_SCRIPT_CONFUSABLE: indicates that the two strings are visually confusable and that they are NOT from the same script BUT both of them are single-script strings
    ANY_CASE: Deprecated.
    SINGLE_SCRIPT: Deprecated.
    INVISIBLE: Check an identifier for the presence of invisible characters, such as zero-width spaces, or character sequences that are likely not to display, such as multiple occurrences of the same non-spacing mark.
    CHAR_LIMIT: Check that an identifier contains only characters from a specified set of acceptable characters.

    Explanation of whole script, mixed script and single script confusables in UTS 39 section 4 : http://unicode.org/reports/tr39/#Confusable_Detection

    Details from Java SpoofChecker class at http://icu-project.org/apiref/icu4j/com/ibm/icu/text/SpoofChecker.html
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    Anonymous
    6 years ago
    Spoofchecker yields false positives by defaut when Whole-Script Confusables (WSC) and Mixed-Script Confusables (MSC) checks are used.
    They have been deprecated since ICU 58:
    http://bugs.icu-project.org/trac/ticket/12549#comment:10

    Workarounds: upgrade ICU to 58+, or avoid the MSC and WSC checks with Spoofcheckers' setChecks() function.
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