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This repository was archived by the owner on Jul 19, 2025. It is now read-only.

Commit 689c9a4

Browse files
Upgrade PhpParser to support php 7
This library has a handy upgrade guide here: https://github.com/nikic/PHP-Parser/blob/master/UPGRADE-2.0.md Seems there's just one backwards-incompatible change for our wrapper code. I'd like to get this into the next release before we release the OOM fixes. Some php repos are using newer syntax and each file fails to parse, and then it hits an OOM memory that users aren't seeing. Example: https://codeclimate.com/github/etsy/phan/builds/277 Would like to verify on our phan fork on the beta channel that this will work.
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‎spec/cc/engine/analyzers/php/main_spec.rb‎

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expect(run_engine(engine_conf)).to eq("")
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}.to output(/Skipping file/).to_stderr
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end
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it "can parse php 7 code" do
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create_source_file("foo.php", File.read(fixture_path("from_phan_php7.php")))
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issues = run_engine(engine_conf).strip.split("0円")
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result = issues.first.strip
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json = JSON.parse(result)
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expect(json["location"]).to eq({
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"path" => "foo.php",
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"lines" => { "begin" => 117, "end" => 118 },
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})
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end
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end
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def engine_conf

‎spec/fixtures/from_phan_php7.php‎

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<?php declare(strict_types=1);
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namespace Phan;
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use ast\Node;
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/**
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* Debug utilities
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*/
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class Debug
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{
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/**
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* Print a lil' something to the console to
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* see if a thing is called
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*
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* @suppress PhanUnreferencedMethod
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*/
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public static function mark()
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{
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print "mark\n";
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}
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/**
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* @param string|Node|null $node
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* An AST node
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*
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* Print an AST node
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*
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* @return null
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*
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* @suppress PhanUnreferencedMethod
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*/
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public static function printNode($node)
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{
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print self::nodeToString($node);
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}
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/**
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* Print the name of a node to the terminal
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*
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* @suppress PhanUnreferencedMethod
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*/
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public static function printNodeName($node, $indent = 0)
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{
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print str_repeat("\t", $indent);
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print self::nodeName($node);
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print "\n";
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}
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/**
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* Print a thing with the given indent level
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*
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* @suppress PhanUnreferencedMethod
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*/
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public static function print(string $message, int $indent = 0)
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{
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print str_repeat("\t", $indent);
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print $message . "\n";
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}
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/**
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* @return string
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* The name of the node
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*/
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public static function nodeName($node) : string
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{
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if (is_string($node)) {
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return 'string';
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}
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if (!$node) {
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return 'null';
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}
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return \ast\get_kind_name($node->kind);
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}
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/**
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* @param string|Node|null $node
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* An AST node
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*
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* @param int $indent
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* The indentation level for the string
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*
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* @return string
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* A string representation of an AST node
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*/
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public static function nodeToString(
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$node,
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$name = null,
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int $indent = 0
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) : string {
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$string = str_repeat("\t", $indent);
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if ($name !== null) {
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$string .= "$name => ";
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}
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if (is_string($node)) {
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return $string . $node . "\n";
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}
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if (!$node) {
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return $string . 'null' . "\n";
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}
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if (!is_object($node)) {
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return $string . $node . "\n";
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}
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$string .= \ast\get_kind_name($node->kind);
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$string .= ' ['
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. self::astFlagDescription($node->flags ?? 0)
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. ']';
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if (isset($node->lineno)) {
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$string .= ' #' . $node->lineno;
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}
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if ($node instanceof Decl) {
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if (isset($node->endLineno)) {
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$string .= ':' . $node->endLineno;
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}
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}
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if (isset($node->name)) {
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$string .= ' name:' . $node->name;
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}
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$string .= "\n";
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foreach ($node->children ?? [] as $name => $child_node) {
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$string .= self::nodeToString(
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$child_node,
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$name,
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$indent + 1
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);
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}
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return $string;
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}
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/**
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* @return string
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* Get a string representation of AST node flags such as
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* 'ASSIGN_DIV|TYPE_ARRAY'
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*/
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public static function astFlagDescription(int $flag) : string
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{
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$flag_names = [];
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foreach (self::$AST_FLAG_ID_NAME_MAP as $id => $name) {
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if ($flag == $id) {
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$flag_names[] = $name;
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}
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}
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return implode('|', $flag_names);
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}
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/**
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* @return string
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* Pretty-printer for debug_backtrace
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*
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* @suppress PhanUnreferencedMethod
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*/
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public static function backtrace(int $levels = 0)
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{
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$bt = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, $levels+1);
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foreach ($bt as $level => $context) {
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if (!$level) {
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continue;
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}
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echo "#".($level-1)."{$context['file']}:{$context['line']}{$context['class']}";
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if (!empty($context['type'])) {
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echo $context['class'].$context['type'];
177+
}
178+
echo $context['function'];
179+
echo "\n";
180+
}
181+
}
182+
183+
/**
184+
* Note that flag IDs are not unique. You're likely going to get
185+
* an incorrect name back from this. So sorry.
186+
*
187+
* @suppress PhanUnreferencedProperty
188+
*/
189+
private static $AST_FLAG_ID_NAME_MAP = [
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\ast\flags\ASSIGN_ADD => 'ASSIGN_ADD',
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\ast\flags\ASSIGN_BITWISE_AND => 'ASSIGN_BITWISE_AND',
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\ast\flags\ASSIGN_BITWISE_OR => 'ASSIGN_BITWISE_OR',
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\ast\flags\ASSIGN_BITWISE_XOR => 'ASSIGN_BITWISE_XOR',
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\ast\flags\ASSIGN_CONCAT => 'ASSIGN_CONCAT',
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\ast\flags\ASSIGN_DIV => 'ASSIGN_DIV',
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\ast\flags\ASSIGN_MOD => 'ASSIGN_MOD',
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\ast\flags\ASSIGN_MUL => 'ASSIGN_MUL',
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\ast\flags\ASSIGN_POW => 'ASSIGN_POW',
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\ast\flags\ASSIGN_SHIFT_LEFT => 'ASSIGN_SHIFT_LEFT',
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\ast\flags\ASSIGN_SHIFT_RIGHT => 'ASSIGN_SHIFT_RIGHT',
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\ast\flags\ASSIGN_SUB => 'ASSIGN_SUB',
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\ast\flags\BINARY_ADD => 'BINARY_ADD',
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\ast\flags\BINARY_BITWISE_AND => 'BINARY_BITWISE_AND',
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\ast\flags\BINARY_BITWISE_OR => 'BINARY_BITWISE_OR',
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\ast\flags\BINARY_BITWISE_XOR => 'BINARY_BITWISE_XOR',
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\ast\flags\BINARY_BOOL_XOR => 'BINARY_BOOL_XOR',
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\ast\flags\BINARY_CONCAT => 'BINARY_CONCAT',
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\ast\flags\BINARY_DIV => 'BINARY_DIV',
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\ast\flags\BINARY_IS_EQUAL => 'BINARY_IS_EQUAL',
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\ast\flags\BINARY_IS_IDENTICAL => 'BINARY_IS_IDENTICAL',
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\ast\flags\BINARY_IS_NOT_EQUAL => 'BINARY_IS_NOT_EQUAL',
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\ast\flags\BINARY_IS_NOT_IDENTICAL => 'BINARY_IS_NOT_IDENTICAL',
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\ast\flags\BINARY_IS_SMALLER => 'BINARY_IS_SMALLER',
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\ast\flags\BINARY_IS_SMALLER_OR_EQUAL => 'BINARY_IS_SMALLER_OR_EQUAL',
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\ast\flags\BINARY_MOD => 'BINARY_MOD',
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\ast\flags\BINARY_MUL => 'BINARY_MUL',
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\ast\flags\BINARY_POW => 'BINARY_POW',
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\ast\flags\BINARY_SHIFT_LEFT => 'BINARY_SHIFT_LEFT',
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\ast\flags\BINARY_SHIFT_RIGHT => 'BINARY_SHIFT_RIGHT',
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\ast\flags\BINARY_SPACESHIP => 'BINARY_SPACESHIP',
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\ast\flags\BINARY_SUB => 'BINARY_SUB',
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\ast\flags\CLASS_ABSTRACT => 'CLASS_ABSTRACT',
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\ast\flags\CLASS_FINAL => 'CLASS_FINAL',
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\ast\flags\CLASS_INTERFACE => 'CLASS_INTERFACE',
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\ast\flags\CLASS_TRAIT => 'CLASS_TRAIT',
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\ast\flags\MODIFIER_ABSTRACT => 'MODIFIER_ABSTRACT',
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\ast\flags\MODIFIER_FINAL => 'MODIFIER_FINAL',
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\ast\flags\MODIFIER_PRIVATE => 'MODIFIER_PRIVATE',
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\ast\flags\MODIFIER_PROTECTED => 'MODIFIER_PROTECTED',
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\ast\flags\MODIFIER_PUBLIC => 'MODIFIER_PUBLIC',
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\ast\flags\MODIFIER_STATIC => 'MODIFIER_STATIC',
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\ast\flags\NAME_FQ => 'NAME_FQ',
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\ast\flags\NAME_NOT_FQ => 'NAME_NOT_FQ',
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\ast\flags\NAME_RELATIVE => 'NAME_RELATIVE',
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\ast\flags\PARAM_REF => 'PARAM_REF',
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\ast\flags\PARAM_VARIADIC => 'PARAM_VARIADIC',
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\ast\flags\RETURNS_REF => 'RETURNS_REF',
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\ast\flags\TYPE_ARRAY => 'TYPE_ARRAY',
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\ast\flags\TYPE_BOOL => 'TYPE_BOOL',
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\ast\flags\TYPE_CALLABLE => 'TYPE_CALLABLE',
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\ast\flags\TYPE_DOUBLE => 'TYPE_DOUBLE',
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\ast\flags\TYPE_LONG => 'TYPE_LONG',
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\ast\flags\TYPE_NULL => 'TYPE_NULL',
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\ast\flags\TYPE_OBJECT => 'TYPE_OBJECT',
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\ast\flags\TYPE_STRING => 'TYPE_STRING',
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\ast\flags\UNARY_BITWISE_NOT => 'UNARY_BITWISE_NOT',
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\ast\flags\UNARY_BOOL_NOT => 'UNARY_BOOL_NOT',
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\ast\flags\BINARY_BOOL_AND => 'BINARY_BOOL_AND',
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\ast\flags\BINARY_BOOL_OR => 'BINARY_BOOL_OR',
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\ast\flags\BINARY_IS_GREATER => 'BINARY_IS_GREATER',
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\ast\flags\BINARY_IS_GREATER_OR_EQUAL => 'BINARY_IS_GREATER_OR_EQUAL',
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\ast\flags\CLASS_ANONYMOUS => 'CLASS_ANONYMOUS',
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\ast\flags\EXEC_EVAL => 'EXEC_EVAL',
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\ast\flags\EXEC_INCLUDE => 'EXEC_INCLUDE',
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\ast\flags\EXEC_INCLUDE_ONCE => 'EXEC_INCLUDE_ONCE',
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\ast\flags\EXEC_REQUIRE => 'EXEC_REQUIRE',
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\ast\flags\EXEC_REQUIRE_ONCE => 'EXEC_REQUIRE_ONCE',
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\ast\flags\MAGIC_CLASS => 'MAGIC_CLASS',
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\ast\flags\MAGIC_DIR => 'MAGIC_DIR',
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\ast\flags\MAGIC_FILE => 'MAGIC_FILE',
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\ast\flags\MAGIC_FUNCTION => 'MAGIC_FUNCTION',
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\ast\flags\MAGIC_LINE => 'MAGIC_LINE',
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\ast\flags\MAGIC_METHOD => 'MAGIC_METHOD',
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\ast\flags\MAGIC_NAMESPACE => 'MAGIC_NAMESPACE',
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\ast\flags\MAGIC_TRAIT => 'MAGIC_TRAIT',
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\ast\flags\UNARY_MINUS => 'UNARY_MINUS',
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\ast\flags\UNARY_PLUS => 'UNARY_PLUS',
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\ast\flags\UNARY_SILENCE => 'UNARY_SILENCE',
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\ast\flags\USE_CONST => 'USE_CONST',
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\ast\flags\USE_FUNCTION => 'USE_FUNCTION',
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\ast\flags\USE_NORMAL => 'USE_NORMAL',
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];
273+
}

‎vendor/php-parser/composer.json‎

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{
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"require": {
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"nikic/php-parser": "1.0.1"
3+
"nikic/php-parser": "2.1.1"
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}
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}

‎vendor/php-parser/composer.lock‎

Lines changed: 22 additions & 12 deletions
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‎vendor/php-parser/parser.php‎

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try {
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10-
$parser = new PhpParser\Parser(newPhpParser\Lexer\Emulative);
10+
$parser = (new PhpParser\ParserFactory)->create(PhpParser\ParserFactory::PREFER_PHP7);
1111
$code = file_get_contents("php://stdin");
1212
$stmts = $parser->parse($code);
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