关于preg_replace_callback中的匿名函数使用中遇到的问题
最近升级php5.3到php5.6.19后,出现了一些弃用函数,比如:Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead。于是就着手修改,将其替换为preg_replace_callback。
事先当然了解一下其用法,但这个不是重点。当下出现的问题是:我改好后(贴出改完的代码),
<code>/* replace special blocks by "{php}" */ $source_content = preg_replace_callback($search, function ($r) { $str = $this->_quote_replace($this->left_delimiter); $str .= 'php'; $str .= str_repeat("\n", substr_count($r[0], "\n")); $str .= $this->_quote_replace($this->right_delimiter); return $str; }, $source_content); </code>
结果报Fatal error: Using $this when not in object context这个错误。
这里是实例化一个对象的结果。里面的函数也都不是静态的。
如何解决这个问题?
问题已解决,这个涉及到php的版本,在php5.4以上就没问题了。
回复内容:
最近升级php5.3到php5.6.19后,出现了一些弃用函数,比如:Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead。于是就着手修改,将其替换为preg_replace_callback。
事先当然了解一下其用法,但这个不是重点。当下出现的问题是:我改好后(贴出改完的代码),
<code>/* replace special blocks by "{php}" */ $source_content = preg_replace_callback($search, function ($r) { $str = $this->_quote_replace($this->left_delimiter); $str .= 'php'; $str .= str_repeat("\n", substr_count($r[0], "\n")); $str .= $this->_quote_replace($this->right_delimiter); return $str; }, $source_content); </code>
结果报Fatal error: Using $this when not in object context这个错误。
这里是实例化一个对象的结果。里面的函数也都不是静态的。
如何解决这个问题?
问题已解决,这个涉及到php的版本,在php5.4以上就没问题了。

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