path: root/97.patch

From d87bedbb147d726689a6b83c31648c08af35b3be Mon Sep 17 00:00:00 2001
From: Jack Cherng <jfcherng@gmail.com>
Date: Wed, 7 Aug 2019 07:51:33 +0800
Subject: [PATCH 1/2] Fix PHP 7.4 deprecation: array/string curly braces access

Signed-off-by: Jack Cherng <jfcherng@gmail.com>
---
 OS/Guess.php                      |  2 +-
 PEAR/Builder.php                  |  2 +-
 PEAR/Command.php                  |  2 +-
 PEAR/Command/Config.php           |  4 ++--
 PEAR/Common.php                   |  4 ++--
 PEAR/Config.php                   |  2 +-
 PEAR/DependencyDB.php             |  2 +-
 PEAR/Downloader.php               |  2 +-
 PEAR/Installer/Role.php           |  2 +-
 PEAR/PackageFile.php              | 12 ++++++------
 PEAR/PackageFile/Generator/v1.php |  6 +++---
 PEAR/PackageFile/Generator/v2.php |  2 +-
 PEAR/PackageFile/v1.php           |  4 ++--
 PEAR/PackageFile/v2/Validator.php | 12 ++++++------
 PEAR/Registry.php                 |  6 +++---
 PEAR/Start.php                    |  2 +-
 PEAR/Start/CLI.php                |  2 +-
 PEAR/Validate.php                 |  6 +++---
 System.php                        |  2 +-
 19 files changed, 38 insertions(+), 38 deletions(-)

diff --git a/OS/Guess.php b/OS/Guess.php
index 79d5cfe36..d5aa295c3 100644
--- a/OS/Guess.php
+++ b/OS/Guess.php
@@ -253,7 +253,7 @@ function _detectGlibcVersion()
             fclose($fp);
             $cpp = popen("/usr/bin/cpp $tmpfile", "r");
             while ($line = fgets($cpp, 1024)) {
-                if ($line{0} == '#' || trim($line) == '') {
+                if ($line[0] == '#' || trim($line) == '') {
                     continue;
                 }
 
diff --git a/PEAR/Builder.php b/PEAR/Builder.php
index 807a8520b..2c51a8e4f 100644
--- a/PEAR/Builder.php
+++ b/PEAR/Builder.php
@@ -191,7 +191,7 @@ function _harvestInstDir($dest_prefix, $dirname, &$built_files)
 
         $ret = true;
         while (($ent = readdir($d)) !== false) {
-            if ($ent{0} == '.')
+            if ($ent[0] == '.')
                 continue;
 
             $full = $dirname . DIRECTORY_SEPARATOR . $ent;
diff --git a/PEAR/Command.php b/PEAR/Command.php
index eb9543906..77d722bf7 100644
--- a/PEAR/Command.php
+++ b/PEAR/Command.php
@@ -233,7 +233,7 @@ public static function registerCommands($merge = false, $dir = null)
         }
 
         while ($file = readdir($dp)) {
-            if ($file{0} == '.' || substr($file, -4) != '.xml') {
+            if ($file[0] == '.' || substr($file, -4) != '.xml') {
                 continue;
             }
 
diff --git a/PEAR/Command/Config.php b/PEAR/Command/Config.php
index f3174aef3..01d12eed0 100644
--- a/PEAR/Command/Config.php
+++ b/PEAR/Command/Config.php
@@ -315,7 +315,7 @@ function doConfigCreate($command, $options, $params)
         $root = preg_replace(array('!\\\\+!', '!/+!', "!$ds2+!"),
                              array('/', '/', '/'),
                             $root);
-        if ($root{0} != '/') {
+        if ($root[0] != '/') {
             if (!isset($options['windows'])) {
                 return PEAR::raiseError('Root directory must be an absolute path beginning ' .
                     'with "/", was: "' . $root . '"');
@@ -338,7 +338,7 @@ function doConfigCreate($command, $options, $params)
 
         $params[1] = realpath($params[1]);
         $config = new PEAR_Config($params[1], '#no#system#config#', false, false);
-        if ($root{strlen($root) - 1} == '/') {
+        if ($root[strlen($root) - 1] == '/') {
             $root = substr($root, 0, strlen($root) - 1);
         }
 
diff --git a/PEAR/Common.php b/PEAR/Common.php
index c15591a98..11a325d98 100644
--- a/PEAR/Common.php
+++ b/PEAR/Common.php
@@ -686,7 +686,7 @@ function buildProvidesArray($srcinfo)
             foreach ($methods as $method) {
                 $function = "$class::$method";
                 $key = "function;$function";
-                if ($method{0} == '_' || !strcasecmp($method, $class) ||
+                if ($method[0] == '_' || !strcasecmp($method, $class) ||
                     isset($this->pkginfo['provides'][$key])) {
                     continue;
                 }
@@ -698,7 +698,7 @@ function buildProvidesArray($srcinfo)
 
         foreach ($srcinfo['declared_functions'] as $function) {
             $key = "function;$function";
-            if ($function{0} == '_' || isset($this->pkginfo['provides'][$key])) {
+            if ($function[0] == '_' || isset($this->pkginfo['provides'][$key])) {
                 continue;
             }
 
diff --git a/PEAR/Config.php b/PEAR/Config.php
index 0d02c4ce4..ea4c320eb 100644
--- a/PEAR/Config.php
+++ b/PEAR/Config.php
@@ -2092,7 +2092,7 @@ static function _prependPath($path, $prepend)
             if (OS_WINDOWS && preg_match('/^[a-z]:/i', $path)) {
                 if (preg_match('/^[a-z]:/i', $prepend)) {
                     $prepend = substr($prepend, 2);
-                } elseif ($prepend{0} != '\\') {
+                } elseif ($prepend[0] != '\\') {
                     $prepend = "\\$prepend";
                 }
                 $path = substr($path, 0, 2) . $prepend . substr($path, 2);
diff --git a/PEAR/DependencyDB.php b/PEAR/DependencyDB.php
index 4f633ff1f..319074b05 100644
--- a/PEAR/DependencyDB.php
+++ b/PEAR/DependencyDB.php
@@ -174,7 +174,7 @@ function assertDepsDB()
             $this->rebuildDB();
         }
 
-        if ($depdb['_version']{0} > $this->_version{0}) {
+        if ($depdb['_version']{0} > $this->_version[0]) {
             return PEAR::raiseError('Dependency database is version ' .
                 $depdb['_version'] . ', and we are version ' .
                 $this->_version . ', cannot continue');
diff --git a/PEAR/Downloader.php b/PEAR/Downloader.php
index b1427c430..6996d3d9a 100644
--- a/PEAR/Downloader.php
+++ b/PEAR/Downloader.php
@@ -1156,7 +1156,7 @@ function _prependPath($path, $prepend)
             if (OS_WINDOWS && preg_match('/^[a-z]:/i', $path)) {
                 if (preg_match('/^[a-z]:/i', $prepend)) {
                     $prepend = substr($prepend, 2);
-                } elseif ($prepend{0} != '\\') {
+                } elseif ($prepend[0] != '\\') {
                     $prepend = "\\$prepend";
                 }
                 $path = substr($path, 0, 2) . $prepend . substr($path, 2);
diff --git a/PEAR/Installer/Role.php b/PEAR/Installer/Role.php
index 7bed4eaea..ce30d8f79 100644
--- a/PEAR/Installer/Role.php
+++ b/PEAR/Installer/Role.php
@@ -237,7 +237,7 @@ public static function registerRoles($dir = null)
         }
 
         while ($entry = readdir($dp)) {
-            if ($entry{0} == '.' || substr($entry, -4) != '.xml') {
+            if ($entry[0] == '.' || substr($entry, -4) != '.xml') {
                 continue;
             }
 
diff --git a/PEAR/PackageFile.php b/PEAR/PackageFile.php
index b1252ae0b..e483337c5 100644
--- a/PEAR/PackageFile.php
+++ b/PEAR/PackageFile.php
@@ -94,13 +94,13 @@ function setLogger(&$l)
      */
     function &parserFactory($version)
     {
-        if (!in_array($version{0}, array('1', '2'))) {
+        if (!in_array($version[0], array('1', '2'))) {
             $a = false;
             return $a;
         }
 
-        include_once 'PEAR/PackageFile/Parser/v' . $version{0} . '.php';
-        $version = $version{0};
+        include_once 'PEAR/PackageFile/Parser/v' . $version[0] . '.php';
+        $version = $version[0];
         $class = "PEAR_PackageFile_Parser_v$version";
         $a = new $class;
         return $a;
@@ -122,13 +122,13 @@ function getClassPrefix()
      */
     function &factory($version)
     {
-        if (!in_array($version{0}, array('1', '2'))) {
+        if (!in_array($version[0], array('1', '2'))) {
             $a = false;
             return $a;
         }
 
-        include_once 'PEAR/PackageFile/v' . $version{0} . '.php';
-        $version = $version{0};
+        include_once 'PEAR/PackageFile/v' . $version[0] . '.php';
+        $version = $version[0];
         $class = $this->getClassPrefix() . $version;
         $a = new $class;
         return $a;
diff --git a/PEAR/PackageFile/Generator/v1.php b/PEAR/PackageFile/Generator/v1.php
index 739a83470..db882cf40 100644
--- a/PEAR/PackageFile/Generator/v1.php
+++ b/PEAR/PackageFile/Generator/v1.php
@@ -904,7 +904,7 @@ function _convertRelease2_0(&$release, $package)
                 if (isset($package['install-as'][$file])) {
                     continue;
                 }
-                if ($platform{0} != '!') {
+                if ($platform[0] != '!') {
                     //o <ignore> tags for <file name=... platform=...>
                     $genericIgnore[] = $file;
                 }
@@ -913,7 +913,7 @@ function _convertRelease2_0(&$release, $package)
                 $oses = $notplatform = $platform = array();
                 foreach ($package['platform'] as $file => $os) {
                     // get a list of oses
-                    if ($os{0} == '!') {
+                    if ($os[0] == '!') {
                         if (isset($oses[substr($os, 1)])) {
                             continue;
                         }
@@ -1010,7 +1010,7 @@ function _convertRelease2_0(&$release, $package)
                             continue;
                         }
                         //o <ignore> tags for <file name=... platform=other platform>
-                        if ($platform{0} != '!' && $platform != $os) {
+                        if ($platform[0] != '!' && $platform != $os) {
                             $release[$releaseNum]['filelist']['ignore'][] =
                                 array(
                                     'attribs' => array(
diff --git a/PEAR/PackageFile/Generator/v2.php b/PEAR/PackageFile/Generator/v2.php
index 53555010e..9e535792a 100644
--- a/PEAR/PackageFile/Generator/v2.php
+++ b/PEAR/PackageFile/Generator/v2.php
@@ -781,7 +781,7 @@ function _serializeArray(&$array, $tagName = null, $attributes = array())
                     }
                 }
 
-                if (is_string($value) && $value && ($value{strlen($value) - 1} == "\n")) {
+                if (is_string($value) && $value && ($value[strlen($value) - 1] == "\n")) {
                     $value .= str_repeat($this->options['indent'], $this->_tagDepth);
                 }
                 $tmp .= $this->_createXMLTag(array(
diff --git a/PEAR/PackageFile/v1.php b/PEAR/PackageFile/v1.php
index 711f43b1b..69cb3a6c6 100644
--- a/PEAR/PackageFile/v1.php
+++ b/PEAR/PackageFile/v1.php
@@ -1575,7 +1575,7 @@ function _buildProvidesArray($srcinfo)
             foreach ($methods as $method) {
                 $function = "$class::$method";
                 $key = "function;$function";
-                if ($method{0} == '_' || !strcasecmp($method, $class) ||
+                if ($method[0] == '_' || !strcasecmp($method, $class) ||
                     isset($this->_packageInfo['provides'][$key])) {
                     continue;
                 }
@@ -1586,7 +1586,7 @@ function _buildProvidesArray($srcinfo)
 
         foreach ($srcinfo['declared_functions'] as $function) {
             $key = "function;$function";
-            if ($function{0} == '_' || isset($this->_packageInfo['provides'][$key])) {
+            if ($function[0] == '_' || isset($this->_packageInfo['provides'][$key])) {
                 continue;
             }
             if (!strstr($function, '::') && strncasecmp($function, $pn, $pnl)) {
diff --git a/PEAR/PackageFile/v2/Validator.php b/PEAR/PackageFile/v2/Validator.php
index e26dab368..06109b641 100644
--- a/PEAR/PackageFile/v2/Validator.php
+++ b/PEAR/PackageFile/v2/Validator.php
@@ -419,7 +419,7 @@ function _processAttribs($choice, $tag, $context)
             foreach ($tags as $i => $tag) {
                 if (!is_array($tag) || !isset($tag['attribs'])) {
                     foreach ($choice['attribs'] as $attrib) {
-                        if ($attrib{0} != '?') {
+                        if ($attrib[0] != '?') {
                             $ret &= $this->_tagHasNoAttribs($choice['tag'],
                                 $context);
                             continue 2;
@@ -427,7 +427,7 @@ function _processAttribs($choice, $tag, $context)
                     }
                 }
                 foreach ($choice['attribs'] as $attrib) {
-                    if ($attrib{0} != '?') {
+                    if ($attrib[0] != '?') {
                         if (!isset($tag['attribs'][$attrib])) {
                             $ret &= $this->_tagMissingAttribute($choice['tag'],
                                 $attrib, $context);
@@ -450,9 +450,9 @@ function _processStructure($key)
             }
             return $ret;
         }
-        $multi = $key{0};
+        $multi = $key[0];
         if ($multi == '+' || $multi == '*') {
-            $ret['multiple'] = $key{0};
+            $ret['multiple'] = $key[0];
             $key = substr($key, 1);
         }
         if (count($attrs = explode('->', $key)) > 1) {
@@ -2106,7 +2106,7 @@ function _buildProvidesArray($srcinfo)
             foreach ($methods as $method) {
                 $function = "$class::$method";
                 $key = "function;$function";
-                if ($method{0} == '_' || !strcasecmp($method, $class) ||
+                if ($method[0] == '_' || !strcasecmp($method, $class) ||
                     isset($providesret[$key])) {
                     continue;
                 }
@@ -2118,7 +2118,7 @@ function _buildProvidesArray($srcinfo)
 
         foreach ($srcinfo['declared_functions'] as $function) {
             $key = "function;$function";
-            if ($function{0} == '_' || isset($providesret[$key])) {
+            if ($function[0] == '_' || isset($providesret[$key])) {
                 continue;
             }
 
diff --git a/PEAR/Registry.php b/PEAR/Registry.php
index 08987c615..61b756eb8 100644
--- a/PEAR/Registry.php
+++ b/PEAR/Registry.php
@@ -1187,7 +1187,7 @@ function _listChannels()
 
         $dp = opendir($this->channelsdir);
         while ($ent = readdir($dp)) {
-            if ($ent{0} == '.' || substr($ent, -4) != '.reg') {
+            if ($ent[0] == '.' || substr($ent, -4) != '.reg') {
                 continue;
             }
 
@@ -1238,7 +1238,7 @@ function _listPackages($channel = false)
         }
 
         while ($ent = readdir($dp)) {
-            if ($ent{0} == '.' || substr($ent, -4) != '.reg') {
+            if ($ent[0] == '.' || substr($ent, -4) != '.reg') {
                 continue;
             }
 
@@ -1262,7 +1262,7 @@ function _listChannelPackages($channel)
         }
 
         while ($ent = readdir($dp)) {
-            if ($ent{0} == '.' || substr($ent, -4) != '.reg') {
+            if ($ent[0] == '.' || substr($ent, -4) != '.reg') {
                 continue;
             }
             $pkglist[] = substr($ent, 0, -4);
diff --git a/PEAR/Validate.php b/PEAR/Validate.php
index 9aa89a2ca..134fe17a3 100644
--- a/PEAR/Validate.php
+++ b/PEAR/Validate.php
@@ -209,7 +209,7 @@ function validatePackageName()
                 }
                 $vlen = strlen($test);
                 $majver = substr($name, strlen($name) - $vlen);
-                while ($majver && !is_numeric($majver{0})) {
+                while ($majver && !is_numeric($majver[0])) {
                     $majver = substr($majver, 1);
                 }
                 if ($majver != $test) {
@@ -328,7 +328,7 @@ function validateVersion()
                 } else {
                     $vlen = strlen($versioncomponents[0] . '');
                     $majver = substr($name, strlen($name) - $vlen);
-                    while ($majver && !is_numeric($majver{0})) {
+                    while ($majver && !is_numeric($majver[0])) {
                         $majver = substr($majver, 1);
                     }
                     if (($versioncomponents[0] != 0) && $majver != $versioncomponents[0]) {
@@ -398,7 +398,7 @@ function validateVersion()
                 if ($this->_packagexml->getExtends()) {
                     $vlen = strlen($versioncomponents[0] . '');
                     $majver = substr($name, strlen($name) - $vlen);
-                    while ($majver && !is_numeric($majver{0})) {
+                    while ($majver && !is_numeric($majver[0])) {
                         $majver = substr($majver, 1);
                     }
                     if (($versioncomponents[0] != 0) && $majver != $versioncomponents[0]) {
diff --git a/System.php b/System.php
index aefc85b3f..d5b6a147d 100644
--- a/System.php
+++ b/System.php
@@ -74,7 +74,7 @@ public static function _parseArgs($argv, $short_options, $long_options = null)
             $offset = 0;
             foreach ($av as $a) {
                 $b = trim($a[0]);
-                if ($b{0} == '"' || $b{0} == "'") {
+                if ($b[0] == '"' || $b[0] == "'") {
                     continue;
                 }
 

From 49af2f4cae6f2910fbca31febea12c7617fa7377 Mon Sep 17 00:00:00 2001
From: Jack Cherng <jfcherng@gmail.com>
Date: Wed, 4 Sep 2019 17:41:04 +0800
Subject: [PATCH 2/2] Fix PHP 7.4 deprecation: array/string curly braces access

Signed-off-by: Jack Cherng <jfcherng@gmail.com>
---
 PEAR/Command/Channels.php         | 2 +-
 PEAR/Command/Common.php           | 2 +-
 PEAR/DependencyDB.php             | 2 +-
 PEAR/Installer.php                | 2 +-
 PEAR/PackageFile/Generator/v1.php | 8 ++++----
 PEAR/PackageFile/v2/Validator.php | 4 ++--
 PEAR/Registry.php                 | 2 +-
 PEAR/Validate.php                 | 4 ++--
 System.php                        | 2 +-
 make-gopear-phar.php              | 2 +-
 make-installpear-nozlib-phar.php  | 2 +-
 make-pear-bundle.php              | 4 ++--
 12 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/PEAR/Command/Channels.php b/PEAR/Command/Channels.php
index 0319593dd..1253eab5d 100644
--- a/PEAR/Command/Channels.php
+++ b/PEAR/Command/Channels.php
@@ -673,7 +673,7 @@ function doAlias($command, $options, $params)
             return $this->raiseError('No channel alias specified');
         }
 
-        if (count($params) !== 2 || (!empty($params[1]) && $params[1]{0} == '-')) {
+        if (count($params) !== 2 || (!empty($params[1]) && $params[1][0] == '-')) {
             return $this->raiseError(
                 'Invalid format, correct is: channel-alias channel alias');
         }
diff --git a/PEAR/Command/Common.php b/PEAR/Command/Common.php
index a9bc80ff2..365c64eb2 100644
--- a/PEAR/Command/Common.php
+++ b/PEAR/Command/Common.php
@@ -146,7 +146,7 @@ function getGetoptArgs($command, &$short_args, &$long_args)
         foreach ($this->commands[$command]['options'] as $option => $info) {
             $larg = $sarg = '';
             if (isset($info['arg'])) {
-                if ($info['arg']{0} == '(') {
+                if ($info['arg'][0] == '(') {
                     $larg = '==';
                     $sarg = '::';
                     $arg = substr($info['arg'], 1, -1);
diff --git a/PEAR/DependencyDB.php b/PEAR/DependencyDB.php
index 319074b05..5ad831667 100644
--- a/PEAR/DependencyDB.php
+++ b/PEAR/DependencyDB.php
@@ -174,7 +174,7 @@ function assertDepsDB()
             $this->rebuildDB();
         }
 
-        if ($depdb['_version']{0} > $this->_version[0]) {
+        if ($depdb['_version'][0] > $this->_version[0]) {
             return PEAR::raiseError('Dependency database is version ' .
                 $depdb['_version'] . ', and we are version ' .
                 $this->_version . ', cannot continue');
diff --git a/PEAR/Installer.php b/PEAR/Installer.php
index 5c503852e..ed3c6ea46 100644
--- a/PEAR/Installer.php
+++ b/PEAR/Installer.php
@@ -225,7 +225,7 @@ function _installFile($file, $atts, $tmp_path, $options)
                 $os = new OS_Guess();
             }
 
-            if (strlen($atts['platform']) && $atts['platform']{0} == '!') {
+            if (strlen($atts['platform']) && $atts['platform'][0] == '!') {
                 $negate   = true;
                 $platform = substr($atts['platform'], 1);
             } else {
diff --git a/PEAR/PackageFile/Generator/v1.php b/PEAR/PackageFile/Generator/v1.php
index db882cf40..8c0fa452b 100644
--- a/PEAR/PackageFile/Generator/v1.php
+++ b/PEAR/PackageFile/Generator/v1.php
@@ -889,13 +889,13 @@ function _convertRelease2_0(&$release, $package)
                 }
                 //o <install as=..> tags for <file name=... platform=!... install-as=..>
                 if (isset($package['platform'][$file]) &&
-                      $package['platform'][$file]{0} == '!') {
+                      $package['platform'][$file][0] == '!') {
                     $generic[] = $file;
                     continue;
                 }
                 //o <ignore> tags for <file name=... platform=... install-as=..>
                 if (isset($package['platform'][$file]) &&
-                      $package['platform'][$file]{0} != '!') {
+                      $package['platform'][$file][0] != '!') {
                     $genericIgnore[] = $file;
                     continue;
                 }
@@ -959,7 +959,7 @@ function _convertRelease2_0(&$release, $package)
                         //  <file name=... platform=!other platform install-as=..>
                         if (isset($package['platform'][$file]) &&
                               $package['platform'][$file] != "!$os" &&
-                              $package['platform'][$file]{0} == '!') {
+                              $package['platform'][$file][0] == '!') {
                             $release[$releaseNum]['filelist']['install'][] =
                                 array(
                                     'attribs' => array(
@@ -984,7 +984,7 @@ function _convertRelease2_0(&$release, $package)
                         //o <ignore> tags for
                         //  <file name=... platform=other platform install-as=..>
                         if (isset($package['platform'][$file]) &&
-                              $package['platform'][$file]{0} != '!' &&
+                              $package['platform'][$file][0] != '!' &&
                               $package['platform'][$file] != $os) {
                             $release[$releaseNum]['filelist']['ignore'][] =
                                 array(
diff --git a/PEAR/PackageFile/v2/Validator.php b/PEAR/PackageFile/v2/Validator.php
index 06109b641..506230838 100644
--- a/PEAR/PackageFile/v2/Validator.php
+++ b/PEAR/PackageFile/v2/Validator.php
@@ -1080,8 +1080,8 @@ function _validateFilelist($list = false, $allowignore = false, $dirs = '')
             foreach ($list['file'] as $i => $file)
             {
                 if (isset($file['attribs']) && isset($file['attribs']['name'])) {
-                    if ($file['attribs']['name']{0} == '.' &&
-                          $file['attribs']['name']{1} == '/') {
+                    if ($file['attribs']['name'][0] == '.' &&
+                          $file['attribs']['name'][1] == '/') {
                         // name is something like "./doc/whatever.txt"
                         $this->_invalidFileName($file['attribs']['name'], $dirname);
                     }
diff --git a/PEAR/Registry.php b/PEAR/Registry.php
index 61b756eb8..d97bbc076 100644
--- a/PEAR/Registry.php
+++ b/PEAR/Registry.php
@@ -2204,7 +2204,7 @@ function parsePackageName($param, $defaultchannel = 'pear.php.net')
             }
             if (!isset($components['scheme'])) {
                 if (strpos($components['path'], '/') !== false) {
-                    if ($components['path']{0} == '/') {
+                    if ($components['path'][0] == '/') {
                         return PEAR::raiseError('parsePackageName(): this is not ' .
                             'a package name, it begins with "/" in "' . $param . '"',
                             'invalid', null, null, $param);
diff --git a/PEAR/Validate.php b/PEAR/Validate.php
index 134fe17a3..683fd52db 100644
--- a/PEAR/Validate.php
+++ b/PEAR/Validate.php
@@ -287,7 +287,7 @@ function validateVersion()
                 }
                 if (!$this->_packagexml->getExtends()) {
                     if ($versioncomponents[0] == '1') {
-                        if ($versioncomponents[2]{0} == '0') {
+                        if ($versioncomponents[2][0] == '0') {
                             if ($versioncomponents[2] == '0') {
                                 // version 1.*.0000
                                 $this->_addWarning('version',
@@ -339,7 +339,7 @@ function validateVersion()
                         return true;
                     }
                     if ($versioncomponents[0] == $majver) {
-                        if ($versioncomponents[2]{0} == '0') {
+                        if ($versioncomponents[2][0] == '0') {
                             if ($versioncomponents[2] == '0') {
                                 // version 2.*.0000
                                 $this->_addWarning('version',
diff --git a/System.php b/System.php
index d5b6a147d..338fe1d82 100644
--- a/System.php
+++ b/System.php
@@ -265,7 +265,7 @@ public static function mkDir($args)
             } elseif ($opt[0] == 'm') {
                 // if the mode is clearly an octal number (starts with 0)
                 // convert it to decimal
-                if (strlen($opt[1]) && $opt[1]{0} == '0') {
+                if (strlen($opt[1]) && $opt[1][0] == '0') {
                     $opt[1] = octdec($opt[1]);
                 } else {
                     // convert to int