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Giảm độ dài của chuỗi nhưng giữ lại một số thông tin 2 đầu để vẫn cảm nhận được sự khác nhau giữa các chuỗi trong 1 danh sách
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<?php | |
/** | |
* Giảm độ dài của chuỗi nhưng giữ lại một số thông tin 2 đầu để vẫn cảm nhận được sự khác nhau giữa các chuỗi trong 1 | |
* danh sách | |
* | |
* User: hocvt | |
* Date: 2019-12-02 | |
* Time: 15:50 | |
*/ | |
namespace App\Libs; | |
class TextReducer { | |
/** | |
* Example | |
* Max length 70 | |
* From "The preg_replace() function is an inbuilt function in PHP which is used to perform" | |
* To "The preg_replace() function is an...on in PHP which is used to perform" | |
* | |
* @param $string | |
* @param $max_length | |
* @param string $replacement | |
* | |
* @return string|string[]|null | |
*/ | |
public static function text( $string, $max_length = 100, $replacement = "..." ) { | |
$max_length = $max_length - mb_strlen( $replacement ); | |
if($max_length < 2){ | |
return mb_substr( $string, 0, 2) . $replacement; | |
} | |
$before_length = (int) ( $max_length / 2 ); | |
return preg_replace( "/^(.{" . $before_length . "})(.*)(.{" . ( $max_length - $before_length ) . "})$/ui", | |
"$1" . $replacement . "$3", | |
$string ); | |
} | |
/** | |
* | |
* Example | |
* Max length 50 | |
* From https://id.123dok.com/document/yr373wpy-buku-siswa-dan-buku-guru-kelas-viii-8-kurikulum-2013-edisi-revisi-2016-2017-semua-mata-pelajaran-b-indo-siswa.html | |
* To https://id.123dok.com/document/...-indo-siswa.html | |
* | |
* @param $url | |
* @param int $max_length | |
* @param string $replacement | |
* | |
* @return string|string[]|null | |
*/ | |
public static function url($url, $max_length = 100, $replacement = "..."){ | |
if(mb_strlen( $url ) < $max_length ){ | |
return $url; | |
} | |
if(preg_match( "/^(https?\:)?\/\/[^\/\.]+(\.[^\/\.]+)+/", $url, $matches)){ | |
$domain = $matches[0]; | |
if(mb_strlen( $domain ) < $max_length + 6){ | |
$right_text = mb_substr( $url, -6); | |
$remain_text = mb_substr( $url, mb_strlen( $domain ), -6); | |
return $domain . self::text( $remain_text, $max_length - mb_strlen( $domain . $right_text ), $replacement ) . $right_text; | |
} | |
} | |
return self::text( $url, $max_length, $replacement ); | |
} | |
/** | |
* Example | |
* Max length 50 | |
* From sites.google.com/a/dongorgecommunitygroup.com/dongorgecommunitygroup | |
* To sites.google.com/a/dongorgec...gorgecommunitygroup | |
* | |
* @param $path | |
* @param int $max_length | |
* @param string $replacement | |
* @param string $directory_separate | |
* | |
* @return string|string[]|null | |
*/ | |
public static function path($path, $max_length = 100, $replacement = "...", $directory_separate = "/"){ | |
if(mb_strlen( $path ) < $max_length ){ | |
return $path; | |
} | |
$directory_separate = preg_quote( $directory_separate, "/" ); | |
if(preg_match( "/^" . $directory_separate . "?[^" . $directory_separate . "]+/", $path, $matches)){ | |
$root = $matches[0]; | |
if(mb_strlen( $root ) < $max_length + 6){ | |
$right_text = mb_substr( $path, -6); | |
$remain_text = mb_substr( $path, mb_strlen( $root ), -6); | |
return $root . self::text( $remain_text, $max_length - mb_strlen( $root . $right_text ), $replacement ) . $right_text; | |
} | |
} | |
return self::text( $path, $max_length, $replacement ); | |
} | |
} |
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