PHP search file content keyword example code_PHP tutorial-PHP Tutorial-php.cn

PHP search file content keyword example code_PHP tutorial

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Release： 2016-07-13 17:40:20

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/**
* File: search.php
* Function: Search for HTML files in the specified directory
*/
/* Basic functions*/
//Get the file function in the directory
function getFile($dir)
{
$dp = opendir($dir);
$fileArr = array();
while (!false == $curFile = readdir($dp)) {
if ($curFile!="." && $curFile!=".. " && $curFile!="") {
if (is_dir($curFile)) {
File);
}
}
}
return $fileArr;
}
//Get file content
function getFileContent($file)
{
if (!$fp = fopen($file, "r")) {
die("Cannot open file $file");
}
while ($text = fread($fp, 4096)) {
$fileContent .= $text;
}
return $fileContent;
}
//Search for the specified file
function searchText($file, $keyword)
{
$text = getFileContent($file);
if (preg_match("/$keyword/i", $text)) {
return true;
}
return false; subject")
{
$fileContent = getFileContent($file);
$sResult = preg_match("/.*/ i", $fileContent, $matchResult);
$title = preg_replace(array("/()/i","/()/i"), " ", $matchResult[0]); return $title;
}
}
//Get file description information
function getFileDescribe($file,$length= 200, $default="None describe")
{
$metas = get_meta_tags($file);
if ($meta[description] != "") {
return $metas[description];
}
$fileContent = getFileContent($file);
preg_match("/()/is", $fileContent, $matchResult);
$pattern = array("/(<[^x80-xff] >)/i","/() /i", "/() /i", "/() /i", "/([]) .*([]) /i","/&/i","/"/i","/'/i", "/s/");
$description = preg_replace($pattern, "", $matchResult[0]);
$description = mb_substr($description, 0, $length)." ...";
return $description;
}
//加亮搜索结果中的关键字
function highLightKeyword($text, $keyword, $color="#C60A00")
{
$newword = "$keyword";
$text = str_replace($keyword, $newword, $text);
return $text;
}
//获取文件大小(KB)
function getFileSize($file)
{
$filesize = intval(filesize($file)/1024)."K";
return $filesize;
}
//获取文件最后修改的时间
function getFileTime($file)
{
$filetime = date("Y-m-d", filemtime($file));
return $filetime;
}
//搜索目录下所有文件
function searchFile($dir, $keyword)
{
$sFile = getFile($dir);
if (count($sFile) <= 0) {
return false;
}
$sResult = array();
foreach ($sFile as $file) {
if (searchText($file, $keyword)) {
$sResult[] = $file;
}
}
if (count($sResult) <= 0) {
return false;
} else {
return $sResult;
}
}
/* 测试代码 */
//指定要搜索的目录
$dir = "./php_Linux";
//要搜索的关键字
$keyword = "sendmail";
$fileArr = searchFile($dir, $keyword);
$searchSum = count($fileArr);
echo "搜索关键字: $keyword 搜索目录: $dir 搜索结果: $searchSum

";
if ($searchSum <= 0) {
echo "没有搜索到任何结果";
} else {
for

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