first commit

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 4
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true

.gitattributes

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+* text=auto
+
+*.php diff=php
+*.html diff=html
+*.css diff=css
+*.md diff=markdown
+
+/.github export-ignore
+/tests export-ignore
+.editorconfig export-ignore
+.gitattributes export-ignore
+.gitignore export-ignore
+phpunit.xml export-ignore
+phpstan-tests.neon export-ignore
+phpstan.neon.dist export-ignore
+CODE_OF_CONDUCT.md export-ignore
+SECURITY.md export-ignore

.gitignore

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+/.idea
+/.vscode
+/vendor
+/.phpunit.cache
+composer.phar
+composer.lock
+.DS_Store
+Thumbs.db
+.phpunit.result.cache
+phpstan.neon
+phpstan-baseline.neon
+CODE_OF_CONDUCT.md
+SECURITY.md

README.MD

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+# Simple filter kata kotor dengan regex

composer.json

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+{
+    "name": "kamu/aman",
+    "description": "Replace badword",
+    "type": "library",
+    "license": "MIT",
+    "autoload": {
+        "psr-4": {
+            "Kamu\\": "src/"
+        }
+    },
+    "authors": [
+        {
+            "name": "dewanakl",
+            "email": "dewanakretarta29@gmail.com"
+        }
+    ],
+    "require": {
+        "php": "^8.1",
+        "ext-mbstring": "*"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^10.5"
+    },
+    "config": {
+        "optimize-autoloader": true,
+        "preferred-install": "dist",
+        "sort-packages": true
+    },
+    "minimum-stability": "stable",
+    "prefer-stable": true
+}

phpunit.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" backupGlobals="false" beStrictAboutTestsThatDoNotTestAnything="false" colors="true" processIsolation="false" stopOnError="false" stopOnFailure="false" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.1/phpunit.xsd" cacheDirectory=".phpunit.cache" backupStaticProperties="false">
+  <testsuites>
+    <testsuite name="Test Suite">
+      <directory suffix=".php">./tests</directory>
+    </testsuite>
+  </testsuites>
+</phpunit>

src/Aman.php

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+<?php
+
+namespace Kamu;
+
+class Aman
+{
+    /**
+     * Similar words.
+     *
+     * @var array $similar
+     */
+    private $similar = [
+        'a' => '(a|a\.|a\-|4|@|Á|á|À|Â|à|Â|â|Ä|ä|Ã|ã|Å|å|α|Δ|Λ|λ)',
+        'b' => '(b|b\.|b\-|8|\|3|ß|Β|β)',
+        'c' => '(c|c\.|c\-|Ç|ç|¢|€|<|\(|{|©)',
+        'd' => '(d|d\.|d\-|&part;|\|\)|Þ|þ|Ð|ð)',
+        'e' => '(e|e\.|e\-|3|€|È|è|É|é|Ê|ê|∑)',
+        'f' => '(f|f\.|f\-|ƒ)',
+        'g' => '(g|g\.|g\-|6|9)',
+        'h' => '(h|h\.|h\-|Η)',
+        'i' => '(i|i\.|i\-|!|\||\]\[|]|1|∫|Ì|Í|Î|Ï|ì|í|î|ï)',
+        'j' => '(j|j\.|j\-)',
+        'k' => '(k|k\.|k\-|Κ|κ)',
+        'l' => '(l|1\.|l\-|!|\||\]\[|]|£|∫|Ì|Í|Î|Ï)',
+        'm' => '(m|m\.|m\-)',
+        'n' => '(n|n\.|n\-|η|Ν|Π)',
+        'o' => '(o|o\.|o\-|0|Ο|ο|Φ|¤|°|ø)',
+        'p' => '(p|p\.|p\-|ρ|Ρ|¶|þ)',
+        'q' => '(q|q\.|q\-)',
+        'r' => '(r|r\.|r\-|®)',
+        's' => '(s|s\.|s\-|5|\$|§)',
+        't' => '(t|t\.|t\-|Τ|τ)',
+        'u' => '(u|u\.|u\-|υ|µ)',
+        'v' => '(v|v\.|v\-|υ|ν)',
+        'w' => '(w|w\.|w\-|ω|ψ|Ψ)',
+        'x' => '(x|x\.|x\-|Χ|χ)',
+        'y' => '(y|y\.|y\-|¥|γ|ÿ|ý|Ÿ|Ý)',
+        'z' => '(z|z\.|z\-|Ζ)',
+    ];
+
+    /**
+     * List of words.
+     *
+     * @var array $lists
+     */
+    private $lists;
+
+    /**
+     * Singleton variable.
+     *
+     * @var Aman|null
+     */
+    public static $instance;
+
+    /**
+     * Init object.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        $this->lists = [];
+        $lists = (array) @require __DIR__ . '/db/lists.php';
+
+        foreach ($lists as $list) {
+            $this->lists[] = $this->getFilterRegexp($list);
+        }
+    }
+
+    /**
+     * From list to regex pattern.
+     *
+     * @param string $string
+     * @return string
+     */
+    private function getFilterRegexp(string $string): string
+    {
+        $replace = str_ireplace(array_keys($this->similar), array_values($this->similar), $string);
+        return '/' . $replace . '/iu';
+    }
+
+    /**
+     * Create object.
+     *
+     * @return Aman
+     */
+    public static function factory(): Aman
+    {
+        if (!static::$instance) {
+            static::$instance = new Aman();
+        }
+
+        return static::$instance;
+    }
+
+    /**
+     * Check if contains.
+     *
+     * @param string $string
+     * @return bool
+     */
+    public function check(string $string): bool
+    {
+        foreach ($this->lists as $pattern) {
+            if (preg_match($pattern, $string)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Mask contains word.
+     *
+     * @param string $string
+     * @param string $masking
+     * @return string
+     */
+    public function masking(string $string, string $masking = '*'): string
+    {
+        return strval(preg_replace_callback($this->lists, function (array $words) use ($masking): string {
+            return str_repeat($masking, strlen($words[0]));
+        }, $string));
+    }
+
+    /**
+     * Filter and remove if contains.
+     *
+     * @param string $string
+     * @return string
+     */
+    public function filter(string $string): string
+    {
+        return strval(preg_replace_callback($this->lists, function (): string {
+            return '';
+        }, $string));
+    }
+
+    /**
+     * Get from string.
+     *
+     * @param string $string
+     * @return array
+     */
+    public function words(string $string): array
+    {
+        $lists = [];
+        preg_replace_callback($this->lists, function (array $words) use (&$lists): void {
+            $lists[] = $words[0];
+        }, $string);
+
+        return array_reverse($lists);
+    }
+}