今天安装Ecshop后，运行出现各种问题，其中 Deprecated: preg_replace() 之类的报错最多，下面贴出解决方案：
错误原因：
preg_replace() 函数中用到的修饰符 /e 在 PHP5.5.x 中已经被弃用了。
如果你的PHP版本恰好是PHP5.5.X，那你的ECSHOP肯定就会报类似下面这样的错误：
Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in…
解决办法：
1. Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in \includes\cls_template.php on line 300
原有内容：
return preg_replace("/{([^}{]*)}/e", “$this->select(’\1’);”, $source);
修改后内容:
return preg_replace_callback("/{([^}{]*)}/", function($r) { return
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this->select(
this−>select(r[1]); }, $source);
2. Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in \includes\cls_template.php on line 491
原有内容:
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out = "<?php " . '
out="<?php".′k = ’ . preg_replace("/(’\KaTeX parse error: Can't use function '\'' in math mode at position 39: …es(trim('\\1','\̲'̲'));", var_expo…t, true)) . “;”;
修改后内容:
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out = "<?php " . '
out="<?php".′k = ’ . preg_replace_callback("/(’\
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[^,] )/" , function(
[,])/",function(match){return stripslashes(trim(KaTeX parse error: Can't use function '\'' in math mode at position 11: match[1],'\̲'̲'));}, var_expo…t, true)) . “;”
3. Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in \includes\cls_template.php on line 550
原有内容:
KaTeX parse error: Expected 'EOF', got '\[' at position 22: …preg_replace("/\̲[̲([^\[\]]*)\]/ei…‘,’$’,’\1’)", $val);
修改后内容:
KaTeX parse error: Expected 'EOF', got '\[' at position 31: …ace_callback('/\̲[̲([^\[\]]*)\]/is…matches) {return ‘.’.str_replace(’$’,’$’,KaTeX parse error: Expected 'EOF', got '}' at position 13: matches[1]);}̲,val);
4. Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in \includes\cls_template.php on line 1074
原有内容:
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source = preg_replace(
source=pregreplace(pattern, $replacement, $source);
修改后内容:
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source = preg_replace_callback(
source=pregreplacecallback(pattern, function (KaTeX parse error: Expected '}', got 'EOF' at end of input: …e='.strtolower(matches[1]). ‘}’;},$source);
5. Strict Standards: Only variables should be passed by reference in …\upload\includes\lib_main.php on line 1329
原有内容：
$ext = end(explode(’.’, $tmp));
修改后内容：
$extsub = explode(’.’, $tmp);
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tmp = end(
tmp=end(extsub);
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tmp = basename(
tmp=basename(tmp,".$ext");
最后，将错误修改后,上传到服务器.然后进入后台,清空缓存,刷新页面即可。
