Leverage str_ends_with

added the php80 polyfill to requirements when necessary

Author: Tobion

Exception/ParseException.php

@@ -114,7 +114,7 @@ private function updateRepr()
         $this->message = $this->rawMessage;
 
         $dot = false;
-        if ('.' === substr($this->message, -1)) {
+        if (str_ends_with($this->message, '.')) {
             $this->message = substr($this->message, 0, -1);
             $dot = true;
         }

Parser.php

@@ -463,7 +463,7 @@ private function doParse(string $value, int $flags)
                             $value .= ' ';
                         }
 
-                        if ('' !== trim($line) && '\\' === substr($line, -1)) {
+                        if ('' !== trim($line) && str_ends_with($line, '\\')) {
                             $value .= ltrim(substr($line, 0, -1));
                         } elseif ('' !== trim($line)) {
                             $value .= trim($line);
@@ -472,7 +472,7 @@ private function doParse(string $value, int $flags)
                         if ('' === trim($line)) {
                             $previousLineWasNewline = true;
                             $previousLineWasTerminatedWithBackslash = false;
-                        } elseif ('\\' === substr($line, -1)) {
+                        } elseif (str_ends_with($line, '\\')) {
                             $previousLineWasNewline = false;
                             $previousLineWasTerminatedWithBackslash = true;
                         } else {

composer.json

@@ -17,7 +17,8 @@
     ],
     "require": {
         "php": ">=7.1.3",
-        "symfony/polyfill-ctype": "~1.8"
+        "symfony/polyfill-ctype": "~1.8",
+        "symfony/polyfill-php80": "^1.16"
     },
     "require-dev": {
         "symfony/console": "^3.4|^4.0|^5.0"