the whole shebang

vendor/nikic/php-parser/lib/PHPParser/Template.php

@@ -0,0 +1,72 @@
+<?php
+
+class PHPParser_Template
+{
+    protected $parser;
+    protected $template;
+
+    /**
+     * Creates a new code template from a template string.
+     *
+     * @param PHPParser_Parser $parser   A parser instance
+     * @param string           $template The template string
+     */
+    public function __construct(PHPParser_Parser $parser, $template) {
+        $this->parser   = $parser;
+        $this->template = $template;
+    }
+
+    /**
+     * Get the statements of the template with the passed in placeholders
+     * replaced.
+     *
+     * @param array $placeholders Placeholders
+     *
+     * @return PHPParser_Node[] Statements
+     */
+    public function getStmts(array $placeholders) {
+        return $this->parser->parse(
+            $this->getTemplateWithPlaceholdersReplaced($placeholders)
+        );
+    }
+
+    protected function getTemplateWithPlaceholdersReplaced(array $placeholders) {
+        if (empty($placeholders)) {
+            return $this->template;
+        }
+
+        return strtr($this->template, $this->preparePlaceholders($placeholders));
+    }
+
+    /*
+     * Prepare the placeholders for replacement. This means that
+     * a) all placeholders will be surrounded with __.
+     * b) ucfirst/lcfirst variations of the placeholders are generated.
+     *
+     * E.g. for an input array of ['foo' => 'bar'] the result will be
+     * ['__foo__' => 'bar', '__Foo__' => 'Bar'].
+     */
+    protected function preparePlaceholders(array $placeholders) {
+        $preparedPlaceholders = array();
+
+        foreach ($placeholders as $name => $value) {
+            $preparedPlaceholders['__' . $name . '__'] = $value;
+
+            if (ctype_lower($name[0])) {
+                $ucfirstName = ucfirst($name);
+                if (!isset($placeholders[$ucfirstName])) {
+                    $preparedPlaceholders['__' . $ucfirstName . '__'] = ucfirst($value);
+                }
+            }
+
+            if (ctype_upper($name[0])) {
+                $lcfirstName = lcfirst($name);
+                if (!isset($placeholders[$lcfirstName])) {
+                    $preparedPlaceholders['__' . $lcfirstName . '__'] = lcfirst($value);
+                }
+            }
+        }
+
+        return $preparedPlaceholders;
+    }
+}