提问人:Elliott Sadgamer 提问时间:12/18/2016 最后编辑:junkfoodjunkieElliott Sadgamer 更新时间:12/18/2016 访问量:586
带有单引号和双引号的 PHP 回显
PHP echo with single quotes and double quotes
问:
我必须在轮播中回显 blob 图像,但由于 base64_encode() 我无法对 img 标语行使用单引号,有人可以解释我如何使用双引号作为 img 行。谢谢!!!!
这是我的代码:
echo "
<div id=\"Carousel$i\" class=\"myCarousel carousel slideCarousel\" data-ride=\"carousel\" data-interval=\"5000\">
<ol class=\"carousel-indicators\">
<li data-target=\"#Carousel$i\" data-slide-to=\"0\" class=\"active\"></li>
<li data-target=\"#Carousel$i\" data-slide-to=\"1\"></li>
<li data-target=\"#Carousel$i\" data-slide-to=\"2\"></li>
<li data-target=\"#Carousel$i\" data-slide-to=\"3\"></li>
</ol>
<div class=\"carousel-inner\" role=\"listbox\">
<div class=\"item active\">";
// HEREEEEE !!!!!!
echo '<img src=\"data:image/jpeg;base64,'.base64_encode($image).'\"/>';
echo "</div>
<div class=\"item\">
<img class=\"slideimage\" src=\"images/diving3.jpg\" alt=\"Chania\">
</div>
<div class=\"item\">
<img class=\"slideimage\" src=\"images/Ambergris-Divers-PADI-Scuba-Course.jpg\" alt=\"Chania\">
</div>
</div>
<a class=\"left carousel-control\" href=\"#Carousel$i\" role=\"button\" data-slide=\"prev\">
<span class=\"glyphicon glyphicon-chevron-left\" aria-hidden=\"true\"></span>
<span class=\"sr-only\">Previous</span>
</a>
<a class=\"right carousel-control\" href=\"#Carousel$i\" role=\"button\" data-slide=\"next\">
<span class=\"glyphicon glyphicon-chevron-right\" aria-hidden=\"true\"></span>
<span class=\"sr-only\">Next</span>
</a>
</div>
";
答:
0赞
junkfoodjunkie
12/18/2016
#1
这应该有效(停止对 echo 语句使用双引号,只是为了避免连接某些字符串。
echo '
<div id="Carousel'.$i.'" class="myCarousel carousel slideCarousel" data-ride="carousel" data-interval="5000">
<ol class="carousel-indicators">
<li data-target="#Carousel'.$i.'" data-slide-to="0" class="active"></li>
<li data-target="#Carousel'.$i.'" data-slide-to="1"></li>
<li data-target="#Carousel'.$i.'" data-slide-to="2"></li>
<li data-target="#Carousel'.$i.'" data-slide-to="3"></li>
</ol>
<div class="carousel-inner" role="listbox">
<div class="item active">
<img src="data:image/jpeg; base64,'.base64_encode($image).'">
</div>
<div class="item">
<img class="slideimage" src="images/diving3.jpg" alt="Chania">
</div>
<div class="item">
<img class="slideimage" src="images/Ambergris-Divers-PADI-Scuba-Course.jpg" alt="Chania">
</div>
</div>
<a class="left carousel-control" href="#Carousel'.$i.'" role="button" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="right carousel-control" href="#Carousel'.$i.'" role="button" data-slide="next">
<span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
';
评论
0赞
Elliott Sadgamer
12/18/2016
非常感谢它正在工作,再次抱歉我在写问题时犯了一个错误,顺便说一句,您知道显示 BLOB 图像的最佳方式是什么吗?使用base64_encode或使用这样的查询 <img src=“image.php?id=<?php echo $image_id; ?>” />
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