phpspider在PHP7环境下运行错误的解决办法

报错信息:

PHP Deprecated:  Array and string offset access syntax with curly braces is deprecated in F:\wwwroot\phpspider.com\vendor\owner888\phpspider\core\util.php on line 343Deprecated: Array and string offset access syntax with curly braces is deprecated in F:\wwwroot\phpspider.com\vendor\owner888\phpspider\core\util.php on line 343
PHP Deprecated:  Array and string offset access syntax with curly braces is deprecated in F:\wwwroot\phpspider.com\vendor\owner888\phpspider\core\util.php on line 344Deprecated: Array and string offset access syntax with curly braces is deprecated in F:\wwwroot\phpspider.com\vendor\owner888\phpspider\core\util.php on line 344
PHP Deprecated:  Array and string offset access syntax with curly braces is deprecated in F:\wwwroot\phpspider.com\vendor\owner888\phpspider\core\util.php on line 347Deprecated: Array and string offset access syntax with curly braces is deprecated in F:\wwwroot\phpspider.com\vendor\owner888\phpspider\core\util.php on line 347
PHP Deprecated:  Array and string offset access syntax with curly braces is deprecated in F:\wwwroot\phpspider.com\vendor\owner888\phpspider\core\util.php on line 347Deprecated: Array and string offset access syntax with curly braces is deprecated in F:\wwwroot\phpspider.com\vendor\owner888\phpspider\core\util.php on line 347

代码:

    public static function letter_first($s0){$firstchar_ord = ord(strtoupper($s0{0}));if (($firstchar_ord >= 65 and $firstchar_ord <= 91) or ($firstchar_ord >= 48 and $firstchar_ord <= 57)) return $s0{0};// $s = iconv("utf-8", "gbk//ignore", $s0);$s = mb_convert_encoding($s0, "gbk", "utf-8");$asc = ord($s{0}) * 256 + ord($s{1}) - 65536;if ($asc >= -20319 and $asc <= -20284) return "A";if ($asc >= -20283 and $asc <= -19776) return "B";if ($asc >= -19775 and $asc <= -19219) return "C";if ($asc >= -19218 and $asc <= -18711) return "D";if ($asc >= -18710 and $asc <= -18527) return "E";if ($asc >= -18526 and $asc <= -18240) return "F";if ($asc >= -18239 and $asc <= -17923) return "G";if ($asc >= -17922 and $asc <= -17418) return "H";if ($asc >= -17417 and $asc <= -16475) return "J";if ($asc >= -16474 and $asc <= -16213) return "K";if ($asc >= -16212 and $asc <= -15641) return "L";if ($asc >= -15640 and $asc <= -15166) return "M";if ($asc >= -15165 and $asc <= -14923) return "N";if ($asc >= -14922 and $asc <= -14915) return "O";if ($asc >= -14914 and $asc <= -14631) return "P";if ($asc >= -14630 and $asc <= -14150) return "Q";if ($asc >= -14149 and $asc <= -14091) return "R";if ($asc >= -14090 and $asc <= -13319) return "S";if ($asc >= -13318 and $asc <= -12839) return "T";if ($asc >= -12838 and $asc <= -12557) return "W";if ($asc >= -12556 and $asc <= -11848) return "X";if ($asc >= -11847 and $asc <= -11056) return "Y";if ($asc >= -11055 and $asc <= -10247) return "Z";return 0; // null}

这是因为php7之后不再支持使用大括号访问数组以及字符串的偏移

修复:

//343行修改为
$firstchar_ord = ord(strtoupper($s0[0]));//344行修改为
if (($firstchar_ord >= 65 and $firstchar_ord <= 91) or ($firstchar_ord >= 48 and $firstchar_ord <= 57)) return $s0[0];//347行修改为
$asc = ord($s{0}) * 256 + ord($s[1]) - 65536;

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