php preg用参数/查询字符串替换文件扩展名

php preg用参数/查询字符串替换文件扩展名,php,regex,preg-replace,Php,Regex,Preg Replace,我对php中的preg replace有一个问题 我需要获取以以下参数结尾的文件扩展名: ../font/fontawesome-webfont.eot?v=3.2.1 ../font/fontawesome-webfont.eot?#iefix&v=3.2.1 ../font/fontawesome-webfont.woff?v=3.2.1 ../font/fontawesome-webfont.ttf?v=3.2.1 ../font/fontawesome-webfo

我对php中的preg replace有一个问题

我需要获取以以下参数结尾的文件扩展名:

../font/fontawesome-webfont.eot?v=3.2.1  
../font/fontawesome-webfont.eot?#iefix&v=3.2.1  
../font/fontawesome-webfont.woff?v=3.2.1  
../font/fontawesome-webfont.ttf?v=3.2.1  
../font/fontawesome-webfont.svg#fontawesomeregular?v=3.2.1  
等等

我尝试使用此功能:

pathinfo($path[1], PATHINFO_EXTENSION);
但它给出了点字符“1”之后的最后一部分

我尝试获取css文件,并用特定的路径名替换url中的路径,以便扩展名

下面是我的代码示例:

class class_name {

    private $img_exts, $font_exts;

    function __construct() {
        $this->img_exts = array('jpg','jpeg','png','gif');
        $this->font_exts = array('ttf','woff','eot','otf');
    }

    function get_css_file() {
        $css = file_get_contents('font-awesome.css');
        $css = preg_replace_callback('/url\((?!data)"?\'?(.*?)"?\'?\)/',array($this,'replace_files_callback'), $file);
        return $css;
    }

    function replace_file_callback($file) {
        $ext = pathinfo($path[1], PATHINFO_EXTENSION);
        // here is the code which i failed!!!
        $ext_niddle = preg_replace('/(.*)?(\.)?(.*)?\.([a-zA-z0-9]{2,4})\??\#?(.*)?/','$4',$path[1]);
        $fname = basename($path[1]);

        if (in_array($ext_niddle, $this->img_exts)) {
            return "url('../img/$fname')";
        } elseif (in_array($ext_niddle, $this->font_exts)) {
            return "url('../fonts/$fname')";
        } else {
            return "url('../data/$fname')";
        }
    }
}
所以我失败了

我尝试替换这个:

@font-face {
  font-family: 'FontAwesome';
  src: url('../font/fontawesome-webfont.eot?v=3.2.1');
  src: url('../font/fontawesome-webfont.eot?#iefix&v=3.2.1') format('embedded-opentype'), url('../font/fontawesome-webfont.woff?v=3.2.1') format('woff'), url('../font/fontawesome-webfont.ttf?v=3.2.1') format('truetype'), url('../font/fontawesome-webfont.svg#fontawesomeregular?v=3.2.1') format('svg');
  font-weight: normal;
  font-style: normal;
}
为此:

@font-face {
  font-family: 'FontAwesome';
  src: url('../fonts/fontawesome-webfont.eot?v=3.2.1');
  src: url('../fonts/fontawesome-webfont.eot?#iefix&v=3.2.1') format('embedded-opentype'), url('../fonts/fontawesome-webfont.woff?v=3.2.1') format('woff'), url('../fonts/fontawesome-webfont.ttf?v=3.2.1') format('truetype'), url('../data/fontawesome-webfont.svg#fontawesomeregular?v=3.2.1') format('svg');
  font-weight: normal;
  font-style: normal;
}
我对以下文件名很好奇: ../folder/font.name.ttf?ver=1.2.3 或者像这样的

如果你发现一个不合适的代码,请帮助我

我将在这个项目中使用它:

提前感谢…


<?php
    $uri = "../font/fontawesome-webfont.eot?v=3.2.1";

    preg_match("/\/(.+?)\.(.+?)(#|\?)/", $uri, $m);
    $ext = $m[2];

    echo $ext;
?>
如何使用:

输出:

fname=fontawesome-webfont.eot   ext=eot
fname=fontawesome-webfont.eot   ext=eot
fname=fontawesome-webfont.woff  ext=woff
fname=fontawesome-webfont.ttf   ext=ttf
fname=fontawesome-webfont.svg   ext=svg

非常感谢您的回答,但它不适用于标准文件名,如:file-name-something.img和:file.name.jpgit给出了以下错误:未定义索引:第行路径:$fname=basename($parse['path'])@dreamlore:真奇怪,
print\r($parse)
的输出是什么?它在这里工作:但不是我的服务器。我想我需要调试一下。。。我和print\r核对过了,没有错。数组([path]=>fancybox\u buttons.png)。。。奇怪的
fname=fontawesome-webfont.eot   ext=eot
fname=fontawesome-webfont.eot   ext=eot
fname=fontawesome-webfont.woff  ext=woff
fname=fontawesome-webfont.ttf   ext=ttf
fname=fontawesome-webfont.svg   ext=svg