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curly braces to pick a character in string is not recommended

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Mikael Nordfeldth 2013-11-11 00:45:30 +01:00
parent 73fe8a81b7
commit 1349eb349a
1 changed files with 1 additions and 1 deletions
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lib/util.php
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@ -1534,7 +1534,7 @@ function common_random_hexstr($bytes)
$hexstr = ''; $hexstr = '';
for ($i = 0; $i < $bytes; $i++) { for ($i = 0; $i < $bytes; $i++) {
$hexstr .= sprintf("%02x", ord($str{$i})); $hexstr .= sprintf("%02x", ord($str[$i]));
} }
return $hexstr; return $hexstr;
} }