Add phpbench

.gitattributes

@@ -1,11 +1,13 @@
 /tools export-ignore
+/tests/benchmarks export-ignore
 .gitattributes export-ignore
 .gitignore export-ignore
 .editorconfig export-ignore
 .github export-ignore
 .weblate export-ignore
 .scrutinizer.yml export-ignore
 infection.json.dist export-ignore
+phpbench.json export-ignore
 phpcs.xml.dist export-ignore
 phpstan.neon.dist export-ignore
 phpstan-baseline.neon export-ignore

.github/workflows/lint-and-analyse-php.yml

@@ -13,10 +13,10 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - uses: actions/checkout@v3
-            - name: Use php 7.1
+            - name: Use php 7.2
               uses: shivammathur/setup-php@v2
               with:
-                  php-version: 7.1
+                  php-version: 7.2
                   tools: composer:v2
             - name: Validate composer.json and composer.lock
               run: composer validate

.github/workflows/tests.yml

@@ -15,7 +15,7 @@ jobs:
         continue-on-error: ${{ matrix.experimental }}
         strategy:
             matrix:
-                php-version: ["7.1", "7.2", "7.3", "7.4", "8.0", "8.1", "8.2"]
+                php-version: ["7.2", "7.3", "7.4", "8.0", "8.1", "8.2"]
                 os: [ubuntu-latest]
                 experimental: [false]
                 composer-options: ['']
@@ -51,8 +51,8 @@ jobs:
             - name: Install dependencies
               run: composer install --no-interaction ${{ matrix.composer-options }}
             - name: Install motranslator
-              if: ${{ matrix.php-version == '7.1' }}
-              run: composer require phpmyadmin/motranslator:^3.0
+              if: ${{ matrix.php-version == '7.2' }}
+              run: composer require phpmyadmin/motranslator:^3.0 --with-all-dependencies --no-interaction
             - name: Run php tests
               run: composer run phpunit
             - name: Send coverage
@@ -63,3 +63,50 @@ jobs:
               if: github.repository == 'phpmyadmin/sql-parser'
               with:
                   cli-args: "--format=php-clover build/logs/clover.xml --revision=${{ github.event.pull_request.head.sha || github.sha }}"
+
+    php-benchmark:
+        name: Benchmark on PHP ${{ matrix.php-version }} and ${{ matrix.os }}
+        runs-on: ${{ matrix.os }}
+        continue-on-error: ${{ matrix.experimental }}
+        strategy:
+            matrix:
+                php-version: ["7.2", "7.3", "7.4", "8.0", "8.1", "8.2"]
+                os: [ubuntu-latest]
+                experimental: [false]
+                composer-options: ['']
+                include:
+                  - { php-version: 'nightly', experimental: true, os: ubuntu-latest, composer-options: '--ignore-platform-reqs' }
+        steps:
+            - uses: actions/checkout@v3
+              with:
+                  # Fetch some commits for Scrutinizer coverage upload
+                  fetch-depth: 15
+            - name: Use PHP ${{ matrix.php-version }}
+              uses: shivammathur/setup-php@v2
+              with:
+                  php-version: ${{ matrix.php-version }}
+                  # phar, json and curl are used by composer
+                  # json is used by testing code
+                  # dom, json, mbstring, libxml, xml, xmlwriter are used by phpunit
+                  # tokenizer, xmlwriter and simplexml are used by phpcs
+                  # ctype is used by Psalm
+                  extensions: none, mbstring, phar, json, curl, tokenizer, xml, xmlwriter, simplexml, libxml, dom, ctype
+                  coverage: xdebug
+            - name: Get Composer Cache Directory
+              id: composer-cache
+              run: |
+                echo "::set-output name=dir::$(composer config cache-files-dir)"
+            - name: Restore cache
+              uses: actions/cache@v3
+              with:
+                path: ${{ steps.composer-cache.outputs.dir }}
+                key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+                restore-keys: |
+                  ${{ runner.os }}-composer-
+            - name: Install dependencies
+              run: composer install --no-interaction ${{ matrix.composer-options }}
+            - name: Install motranslator
+              if: ${{ matrix.php-version == '7.2' }}
+              run: composer require phpmyadmin/motranslator:^3.0 --with-all-dependencies --no-interaction
+            - name: Run benchmarks
+              run: composer run phpbench

.scrutinizer.yml

@@ -17,7 +17,7 @@ build:
   nodes:
     analysis:
       environment:
-        php: 7.1
+        php: 7.2
       dependencies:
         before:
           - composer install

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 * Performance improvement to use less the `nextToken()` function (#397)
 * Lexer - Solving ambiguity on function keywords (#385)
+* Drop PHP 7.1 support
 
 ## [5.6.0] - 2023-01-02
 

composer.json

@@ -22,11 +22,12 @@
         }
     ],
     "require": {
-        "php": "^7.1 || ^8.0",
+        "php": "^7.2 || ^8.0",
         "symfony/polyfill-mbstring": "^1.3",
         "symfony/polyfill-php80": "^1.16"
     },
     "require-dev": {
+        "phpbench/phpbench": "^1.1",
         "phpmyadmin/coding-standard": "^3.0",
         "phpmyadmin/motranslator": "^4.0 || ^5.0",
         "phpstan/extension-installer": "^1.1",
@@ -66,6 +67,7 @@
         "phpstan": "@php phpstan analyse",
         "psalm": "@php psalm --no-diff",
         "phpunit": "@php phpunit --color=always",
+        "phpbench": "@php phpbench run tests/benchmarks --report=aggregate --progress=dots",
         "test": [
             "@phpcs",
             "@phpstan",

phpbench.json

@@ -0,0 +1,4 @@
+{
+    "$schema": "./vendor/phpbench/phpbench/phpbench.schema.json",
+    "runner.bootstrap": "vendor/autoload.php"
+}

tests/benchmarks/UtfStringBench.php

@@ -0,0 +1,67 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PhpMyAdmin\SqlParser\Tests\benchmarks;
+
+use PhpMyAdmin\SqlParser\UtfString;
+
+use function chr;
+use function file_get_contents;
+
+class UtfStringBench
+{
+    /** @var string */
+    private $testContents;
+
+    /**
+     * @BeforeMethods("setUp")
+     * @Iterations(20)
+     * @Revs(4)
+     * @OutputTimeUnit("milliseconds")
+     * @Assert("mode(variant.time.avg) < 38 milliseconds +/- 10%")
+     * @Assert("mode(variant.time.avg) > 20 milliseconds +/- 10%")
+     */
+    public function benchBuildUtfString(): void
+    {
+        $str1 = new UtfString($this->testContents);
+        for ($i = 0; $i < $str1->length(); $i++) {
+            $str1[$i];// Make offset offsetGet work
+        }
+    }
+
+    /**
+     * @BeforeMethods("setUp")
+     * @Iterations(2)
+     * @Revs(2)
+     * @OutputTimeUnit("microseconds")
+     * @Assert("mode(variant.time.avg) < 75 microseconds +/- 10%")
+     * @Assert("mode(variant.time.avg) > 60 microseconds +/- 10%")
+     */
+    public function benchGetCharLength(): void
+    {
+        UtfString::getCharLength(chr(0x00)); // 00000000
+        UtfString::getCharLength(chr(0x7F)); // 01111111
+
+        UtfString::getCharLength(chr(0xC0)); // 11000000
+        UtfString::getCharLength(chr(0xDF)); // 11011111
+
+        UtfString::getCharLength(chr(0xE0)); // 11100000
+        UtfString::getCharLength(chr(0xEF)); // 11101111
+
+        UtfString::getCharLength(chr(0xF0)); // 11110000
+        UtfString::getCharLength(chr(0xF7)); // 11110111
+
+        UtfString::getCharLength(chr(0xF8)); // 11111000
+        UtfString::getCharLength(chr(0xFB)); // 11111011
+
+        UtfString::getCharLength(chr(0xFC)); // 11111100
+        UtfString::getCharLength(chr(0xFD)); // 11111101
+    }
+
+    public function setUp(): void
+    {
+        $contentsPath = __DIR__ . '/../../LICENSE.txt';
+        $this->testContents = (string) file_get_contents($contentsPath);
+    }
+}