feat: add PHP grammar

org.eclipse.tm4e.language_pack/README.md

@@ -60,6 +60,7 @@ for the [Eclipse IDE](https://eclipseide.org).
 | Objective-C++ | file-extensions="mm" | [1.79.0@microsoft/vscode](https://github.com/microsoft/vscode/tree/b380da4ef1ee00e224a15c1d4d9793e27c2b6302/extensions/objective-c) [[upstream]](https://github.com/jeff-hykin/better-objcpp-syntax/commit/5a7eb15eee382dd5aa388bc04fdb60a0d2128e14)
 | Perl | file-extensions="PL, pl, pm, pod, psgi, t" | [1.79.0@microsoft/vscode](https://github.com/microsoft/vscode/tree/b380da4ef1ee00e224a15c1d4d9793e27c2b6302/extensions/perl) [[upstream]](https://github.com/textmate/perl.tmbundle/commit/a85927a902d6e5d7805f56a653f324d34dfad53a)
 | Perl 6 (Raku) | file-extensions="nqp, p6, pl6, pm6" | [1.79.0@microsoft/vscode](https://github.com/microsoft/vscode/tree/b380da4ef1ee00e224a15c1d4d9793e27c2b6302/extensions/perl) [[upstream]](https://github.com/textmate/perl.tmbundle/commit/d9841a0878239fa43f88c640f8d458590f97e8f5)
+| PHP | file-extensions="ctp, php, php4, php5, phtml" | [1.79.0@microsoft/vscode](https://github.com/microsoft/vscode/tree/b380da4ef1ee00e224a15c1d4d9793e27c2b6302/extensions/php) [[upstream]](https://github.com/KapitanOczywisty/language-php/commit/5e8f000cb5a20f44f7a7a89d07ad0774031c53f3)
 | PowerShell | file-extensions="ps1, psd1, psm1, psrc, pssc" | [1.79.0@microsoft/vscode](https://github.com/microsoft/vscode/tree/b380da4ef1ee00e224a15c1d4d9793e27c2b6302/extensions/powershell) [[upstream]](https://github.com/PowerShell/EditorSyntax/commit/742f0b5d4b60f5930c0b47fcc1f646860521296e)
 | Pug | file-extensions="jade, pug" | [1.79.0@microsoft/vscode](https://github.com/microsoft/vscode/tree/b380da4ef1ee00e224a15c1d4d9793e27c2b6302/extensions/pug) [[upstream]](https://github.com/davidrios/pug-tmbundle/commit/ae1dd60ca4aa4b45617f236d584216cd8d19eecf)
 | Python | file-extensions="cpy, gyp, gypi, ipy, py, pyi, pyt, pyw, rpy"<br />file-names="SConscript, SConstruct" | [1.79.0@microsoft/vscode](https://github.com/microsoft/vscode/tree/b380da4ef1ee00e224a15c1d4d9793e27c2b6302/extensions/python) [[upstream]](https://github.com/MagicStack/MagicPython/commit/7d0f2b22a5ad8fccbd7341bc7b7a715169283044)

org.eclipse.tm4e.language_pack/about.html

@@ -227,6 +227,11 @@ <h2>About This Content</h2>
   <td>file-extensions="nqp, p6, pl6, pm6"</td>
   <td><a href="https://github.com/microsoft/vscode/tree/b380da4ef1ee00e224a15c1d4d9793e27c2b6302/extensions/perl">1.79.0@microsoft/vscode</a> <a href="https://github.com/textmate/perl.tmbundle/commit/d9841a0878239fa43f88c640f8d458590f97e8f5">[upstream]</a>
 </tr>
+<tr>
+  <td>PHP</td>
+  <td>file-extensions="ctp, php, php4, php5, phtml"</td>
+  <td><a href="https://github.com/microsoft/vscode/tree/b380da4ef1ee00e224a15c1d4d9793e27c2b6302/extensions/php">1.79.0@microsoft/vscode</a> <a href="https://github.com/KapitanOczywisty/language-php/commit/5e8f000cb5a20f44f7a7a89d07ad0774031c53f3">[upstream]</a>
+</tr>
 <tr>
   <td>PowerShell</td>
   <td>file-extensions="ps1, psd1, psm1, psrc, pssc"</td>

org.eclipse.tm4e.language_pack/plugin.xml

@@ -732,6 +732,26 @@
     <languageConfiguration contentTypeId="org.eclipse.tm4e.language_pack.perl6" path="syntaxes/perl/perl6.language-configuration.json" />
   </extension>
 
+  <!-- ======================================== -->
+  <!-- php/php: PHP -->
+  <!-- ======================================== -->
+  <extension point="org.eclipse.core.contenttype.contentTypes">
+    <content-type id="org.eclipse.tm4e.language_pack.php" name="PHP" base-type="org.eclipse.tm4e.language_pack.basetype" priority="low"
+                  file-extensions="ctp,php,php4,php5,phtml" />
+  </extension>
+  <extension point="org.eclipse.tm4e.registry.grammars">
+    <grammar scopeName="source.php" path="syntaxes/php/php.tmLanguage.json" />
+    <scopeNameContentTypeBinding scopeName="source.php" contentTypeId="org.eclipse.tm4e.language_pack.php" />
+  </extension>
+
+  <extension point="org.eclipse.tm4e.languageconfiguration.languageConfigurations">
+    <languageConfiguration contentTypeId="org.eclipse.tm4e.language_pack.php" path="syntaxes/php/php.language-configuration.json" />
+  </extension>
+
+  <extension point="org.eclipse.tm4e.ui.snippets">
+    <snippet name="PHP Example" path="syntaxes/php/php.example.php" scopeName="source.php" />
+  </extension>
+
   <!-- ======================================== -->
   <!-- powershell/powershell: PowerShell -->
   <!-- ======================================== -->

org.eclipse.tm4e.language_pack/syntaxes/php/php.example.php

@@ -0,0 +1,85 @@
+<?php
+
+// Variables and Data Types
+$name = "John";
+$age = 30;
+$isStudent = false;
+$grades = [85, 90, 78];
+
+// Control Structures
+if ($age >= 18) {
+    echo "Welcome, $name! You are eligible.";
+} else {
+    echo "Sorry, $name. You are not eligible.";
+}
+
+// Loops
+for ($i = 0; $i < count($grades); $i++) {
+    echo "Grade $i: {$grades[$i]}";
+}
+
+// Functions
+function greet($name) {
+    return "Hello, $name!";
+}
+
+echo greet($name);
+
+// Arrays
+$colors = ["red", "green", "blue"];
+$associativeArray = [
+    "name" => "Jane",
+    "age" => 25,
+    "isStudent" => true
+];
+
+// Classes and Objects
+class Person {
+    public $name;
+    public $age;
+
+    public function __construct($name, $age) {
+        $this->name = $name;
+        $this->age = $age;
+    }
+
+    public function greet() {
+        echo "Hello, my name is $this->name.";
+    }
+}
+
+$person = new Person("Alice", 22);
+$person->greet();
+
+// Traits
+trait Logging {
+    public function log($message) {
+        echo "Logging: $message";
+    }
+}
+
+// Namespaces
+namespace MyApp;
+
+// Error Handling
+try {
+    // Code that might throw an exception
+    throw new Exception("Something went wrong!");
+} catch (Exception $e) {
+    echo "Caught exception: " . $e->getMessage();
+}
+
+// File Handling
+$fileContent = file_get_contents("example.txt");
+file_put_contents("output.txt", $fileContent);
+
+// Regular Expressions
+$pattern = "/\d{2}-\d{2}-\d{4}/";
+$dateString = "12-31-2022";
+
+if (preg_match($pattern, $dateString)) {
+    echo "Valid date format.";
+} else {
+    echo "Invalid date format.";
+}
+?>

org.eclipse.tm4e.language_pack/syntaxes/php/php.language-configuration.json

@@ -0,0 +1,81 @@
+{
+	"comments": {
+		"lineComment": "//", // "#"
+		"blockComment": [ "/*", "*/" ]
+	},
+	"brackets": [
+		["{", "}"],
+		["[", "]"],
+		["(", ")"]
+	],
+	"autoClosingPairs": [
+		{ "open": "{", "close": "}", "notIn": ["string"] },
+		{ "open": "[", "close": "]", "notIn": ["string"] },
+		{ "open": "(", "close": ")", "notIn": ["string"] },
+		{ "open": "'", "close": "'", "notIn": ["string", "comment"] },
+		{ "open": "\"", "close": "\"", "notIn": ["string", "comment"] },
+		{ "open": "/**", "close": " */", "notIn": ["string"] }
+	],
+	"surroundingPairs": [
+		["{", "}"],
+		["[", "]"],
+		["(", ")"],
+		["'", "'"],
+		["\"", "\""],
+		["`", "`"]
+	],
+	"indentationRules": {
+		"increaseIndentPattern": "({(?!.*}).*|\\(|\\[|((else(\\s)?)?if|else|for(each)?|while|switch|case).*:)\\s*((/[/*].*|)?$|\\?>)",
+		"decreaseIndentPattern": "^(.*\\*\\/)?\\s*((\\})|(\\)+[;,])|(\\]\\)*[;,])|\\b(else:)|\\b((end(if|for(each)?|while|switch));))"
+	},
+	"folding": {
+		"markers": {
+			"start": "^\\s*(#|\/\/)region\\b",
+			"end": "^\\s*(#|\/\/)endregion\\b"
+		}
+	},
+	"wordPattern": "(-?\\d*\\.\\d\\w*)|([^\\-\\`\\~\\!\\@\\#\\%\\^\\&\\*\\(\\)\\=\\+\\[\\{\\]\\}\\\\\\|\\;\\:\\'\\\"\\,\\.\\<\\>\\/\\?\\s]+)",
+	"onEnterRules": [
+		{
+			// e.g. /** | */
+			"beforeText": "^\\s*\\/\\*\\*(?!\\/)([^\\*]|\\*(?!\\/))*$",
+			"afterText": "^\\s*\\*\\/$",
+			"action": {
+				"indent": "indentOutdent",
+				"appendText": " * "
+			}
+		},
+		{
+			// e.g. /** ...|
+			"beforeText": "^\\s*\\/\\*\\*(?!\\/)([^\\*]|\\*(?!\\/))*$",
+			"action": {
+				"indent": "none",
+				"appendText": " * "
+			}
+		},
+		{
+			// e.g.  * ...|
+			"beforeText": "^(\\t|(\\ \\ ))*\\ \\*(\\ ([^\\*]|\\*(?!\\/))*)?$",
+			"action": {
+				"indent": "none",
+				"appendText": "* ",
+			},
+		},
+		{
+			// e.g.  */|
+			"beforeText": "^(\\t|(\\ \\ ))*\\ \\*\\/\\s*$",
+			"action": {
+				"indent": "none",
+				"removeText": 1
+			},
+		},
+		{
+			// e.g.  *-----*/|
+			"beforeText": "^(\\t|(\\ \\ ))*\\ \\*[^/]*\\*\\/\\s*$",
+			"action": {
+				"indent": "none",
+				"removeText": 1
+			}
+		}
+	]
+}