Rewrite curly braces to square brackets

Author: thekid

src/main/php/io/streams/StringReader.class.php

@@ -62,7 +62,7 @@ public function readLine() {
         continue;
       }
 
-      $o= "\r" === $this->buf{$p} && $p < $l - 1 && "\n" === $this->buf{$p + 1} ? 2 : 1;
+      $o= "\r" === $this->buf[$p] && $p < $l - 1 && "\n" === $this->buf[$p + 1] ? 2 : 1;
       $bytes= substr($this->buf, 0, $p);
       $this->buf= substr($this->buf, $p + $o);
       break;

src/main/php/io/streams/TextReader.class.php

@@ -129,7 +129,7 @@ public function readLine() {
         continue;
       }
 
-      $o= ("\r" === $this->buf{$p} && "\n" === $this->buf{$p + $this->cl}) ? $this->cl * 2 : $this->cl;
+      $o= ("\r" === $this->buf[$p] && "\n" === $this->buf[$p + $this->cl]) ? $this->cl * 2 : $this->cl;
       $p-= $this->of;
       $bytes= substr($this->buf, 0, $p);
       $this->buf= substr($this->buf, $p + $o);

src/main/php/io/sys/ShmSegment.class.php

@@ -33,7 +33,7 @@ public function __construct($name) {
     $str= str_pad($name, 4, 'Z');
     $this->spot= '';
     for ($i= 0; $i < 4; $i++) {
-      $this->spot.= dechex(ord($str{$i}));
+      $this->spot.= dechex(ord($str[$i]));
     }
     $this->spot= hexdec('0x'.$this->spot);