Online PHP editor | output for lefRG

<?php //assert($a == $b); // 相等 $i = 0; while ($i < 5) { if ($i === 3) { break; // 退出循环 } echo $i++; } // 输出 "012" for ($i = 0; $i < 5; $i++) { if ($i === 3) { continue; // 跳过此次遍历 } echo $i; } // 输出 "0124" $nowdoc = <<<'END' Multi line string END; echo $nowdoc; die; header('Content-type: text/html; charset=utf-8'); echo ' 百度关键词URL编码转换示例： '; $urlBaidu = 'http://www.baidu.com/s?wd=%D6%D0%CE%C4'; $arrParse = parse_url($urlBaidu); var_dump($arrParse); parse_str($arrParse ['query'],$output); var_dump($output); echo '乱码：' . $output['wd'] . ' '; //将gb2312编码转换成utf-8编码 $strUTF8 = mb_convert_encoding($output['wd'], 'utf-8', 'gb2312'); echo '可读码：' . $strUTF8 . ' '; echo ' 谷歌关键词URL编码转换示例： '; $urlGoogle = 'http://www.google.cn/search?hl=zh-CN&source=hp&q=%E4%B8%AD%E6%96%87&aq=f&oq='; $arrParse = parse_url($urlGoogle); var_dump($arrParse); parse_str($arrParse ['query'],$output); var_dump($output); //谷歌关键词URL编码是utf-8，不用再作转换 echo '可读码：' . $output['q'] . ' '; echo $escaped = "This contains a \t tab character."; echo $unescaped = 'This just contains a slash and a t: \t';