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@ 2015-12-21T07:29:29Z

<?php
function get_tumbail($imgSrc,$placeholder_image){
            $imgPattern = "/(http\:\/\/ww\d+\.sinaimg\.cn\/)(\w+)(\/\S+\.(jpg|gif))/i";
            $matches = null;
            $result = preg_match($imgPattern, $imgSrc, $matches);
            if (!$result) {
                return $placeholder_image;
            }
            return $matches[1] . 'thumbnail' . $matches[3];
        }
 $placeholder_image = 'images/transparent.gif';
$imgStr = '<img src="http://ww2.sinaimg.cn/bmiddle/a3d444e3jw1ez79amvdi1j20l50s8gpl.jpg"/>';
$imgStr = preg_replace_callback('#<img([^>]+?)src=[\'"]?([^\'"\s>]+)[\'"]?([^>]*)>#',function($match,$placeholder_image) {
    var_dump($match);
    return sprintf('<img$match[1]src="%s" data-original="$match[2]" class="lazy"$match[3]><noscript><img${1}src="${2}"${3}></noscript>', get_tumbail($match[2],$placeholder_image));
},$imgStr);
var_dump($imgStr);

Output for git.master, git.master_jit, rfc.property-hooks: Fatal error: Uncaught ArgumentCountError: Too few arguments to function {closure}(), 1 passed and exactly 2 expected in /in/sttBf:13 Stack trace: #0 [internal function]: {closure}(Array) #1 /in/sttBf(13): preg_replace_callback('#<img([^>]+?)sr...', Object(Closure), '<img src="http:...') #2 {main} thrown in /in/sttBf on line 13
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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