检测与删除页面BOM(UTF-8)空行方法

<?php
function writeUTF8File($filename,$content)
{
    $f = fopen($filename, 'w');
    fwrite($f, pack("CCC", 0xef,0xbb,0xbf));
    fwrite($f,$content);
    fclose($f);
}
?>

<?php
function removeBOM($str = '')
{
   if (substr($str, 0,3) == pack("CCC",0xef,0xbb,0xbf)) {
       $str = substr($str, 3);
   }
   return $str;
}
?>

function isUTF8($string)
{
    return (utf8_encode(utf8_decode($string)) == $string);
}

shell> grep -r -I -l $'^锘�' /path如何删除UTF-8编码中的BOM呢？

shell> grep -r -I -l $'^锘�' /path | xargs sed -i 's/^锘�//;q'

#!/bin/bash

REPOS="$1"
TXN="$2"

SVNLOOK=/usr/bin/svnlook

for FILE in $($SVNLOOK changed -t "$TXN" "$REPOS" | awk '/^[AU]/ {print $NF}'); do
    if $SVNLOOK cat -t "$TXN" "$REPOS" "$FILE" | grep -q $'^锘�'; then
        echo "Byte Order Mark be found in $FILE" 1>&2
        exit 1
    fi
done

<?php
$time = time();
echo($time . "<br />");
echo(date("D F d Y", $time));
?>

程序运行结果：

1292984702 

Wed December 22 2010

<?php
$nextWeek = time() + (7 * 24 * 60 * 60); // 7 days; 24 hours; 60 mins; 60secs
echo 'Now:       '. date('Y-m-d') ."<br />";
echo 'Next Week: '. date('Y-m-d D', $nextWeek) ."<br />";
?>

程序运行结果：

Now: 2010-12-22 

Next Week: 2010-12-29 Wed

<?php
echo("Result with date():<br />");
echo(date("l") . "<br />");
echo(date("l dS of F Y h:i:s A") . "<br />");
echo("Oct 3,1975 was on a ".date("l", mktime(0,0,0,10,3,1975))."<br />");
echo(date(DATE_RFC822) . "<br />");
echo(date(DATE_ATOM,mktime(0,0,0,10,3,1975)) . "<br /><br />");

echo("Result with gmdate():<br />");
echo(gmdate("l") . "<br />");
echo(gmdate("l dS of F Y h:i:s A") . "<br />");
echo("Oct 3,1975 was on a ".gmdate("l", mktime(0,0,0,10,3,1975))."<br />");
echo(gmdate(DATE_RFC822) . "<br />");
echo(gmdate(DATE_ATOM,mktime(0,0,0,10,3,1975)) . "<br />");
?>

程序运行结果：

Result with date():
Wednesday
Wednesday 22nd of December 2010 02:36:18 AM
Oct 3,1975 was on a Friday
Wed, 22 Dec 10 02:36:18 +0000
1975-10-03T00:00:00+00:00

Result with gmdate():
Wednesday
Wednesday 22nd of December 2010 02:36:18 AM
Oct 3,1975 was on a Friday
Wed, 22 Dec 10 02:36:18 +0000
1975-10-03T00:00:00+00:00

echo gmdate('Y-m-d H:i:s', time() + 3600 * 8);

<?php
$json = '{"a":"中国人人"}';
var_dump(json_decode($json));
?>

结果

{"text":null,"status":1}

/*
    字符串GBK转码为UTF-8，数字转换为数字。
*/
function ct2($s){
    if(is_numeric($s)) {
        return intval($s);
    } else {
        return iconv("GBK","UTF-8",$s);
    }
}
/*
    批量处理gbk->utf-8
*/
function icon_to_utf8($s) {
  if(is_array($s)) {
    foreach($s as $key => $val) {
      $s[$key] = icon_to_utf8($val);
    }
  } else {
      $s = ct2($s);
  }
  return $s;
}
echo json_encode(icon_to_utf8("厦门"));

    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, 'http://www.111cn.net');

    $curl = curl_init('http://www.111cn.net');

    $curl = curl_init();
    curl_setopt_array($curl, array(
    CURLOPT_RETURNTRANSFER => 1,
    CURLOPT_URL => 'http://www.111cn.net'
    ));

    $result = curl_exec($curl);

    // Get cURL resource
    $curl = curl_init();
    // Set some options - we are passing in a useragent too here
    curl_setopt_array($curl, array(
    CURLOPT_RETURNTRANSFER => 1,
    CURLOPT_URL => 'http://testcURL.com/?item1=value&item2=value2',
    CURLOPT_USERAGENT => 'Codular Sample cURL Request'
    ));
    // Send the request & save response to $resp
    $resp = curl_exec($curl);
    // Close request to clear up some resources
    curl_close($curl);

    // Get cURL resource
    $curl = curl_init();
    // Set some options - we are passing in a useragent too here
    curl_setopt_array($curl, array(
    CURLOPT_RETURNTRANSFER => 1,
    CURLOPT_URL => 'http://www.111cn.net',
    CURLOPT_USERAGENT => 'Codular Sample cURL Request',
    CURLOPT_POST => 1,
    CURLOPT_POSTFIELDS => array(
    item1 => 'value',
    item2 => 'value2'
    )
    ));
    // Send the request & save response to $resp
    $resp = curl_exec($curl);
    // Close request to clear up some resources
    curl_close($curl);

function _https_curl_post($url, $vars) 
{ 
    foreach($vars as $key=>$value)
    {
        $fields_string .= $key.'='.$value.'&' ;
    } 
    $fields_string = substr($fields_string,0,(strlen($fields_string)-1)) ;
    $ch = curl_init();  
    curl_setopt($ch, CURLOPT_URL,$url); 
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST,  2);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);  // this line makes it work under https
    curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
    curl_setopt($ch, CURLOPT_POST, count($vars) );
    curl_setopt($ch, CURLOPT_POSTFIELDS, $fields_string);     
    $data = curl_exec($ch);        
    curl_close($ch);  
       
    if ($data)
    {
        return $data;
    }
    else
    {
        return false;
    }
}

    if(!curl_exec($curl)){
    die('Error: "' . curl_error($curl) . '" - Code: ' . curl_errno($curl));
    }