我们在操作数据库的时候,需要用到下面我们看一个基本的数字格式的数组遍历:
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
<OL class=dp-xml><LI class=alt><SPAN><STRONG><FONT color=#006699><SPAN class=tag><?</SPAN><SPAN class=tag-name>php</SPAN></FONT></STRONG><SPAN> </SPAN></SPAN><LI class=""><SPAN>$temp[0] = "richmond"; </SPAN><LI class=alt><SPAN>$temp[1] = "tigers"; </SPAN><LI class=""><SPAN>$temp[2] = "premiers"; </SPAN><LI class=alt><SPAN> </SPAN><LI class=""><SPAN>for($</SPAN><SPAN class=attribute><FONT color=#ff0000>x</FONT></SPAN><SPAN>=</SPAN><SPAN class=attribute-value><FONT color=#0000ff>0</FONT></SPAN><SPAN>;$x</SPAN><STRONG><FONT color=#006699><SPAN class=tag><</SPAN><SPAN class=tag-name>count</SPAN></FONT></STRONG><SPAN>($temp);$x++) </SPAN></SPAN><LI class=alt><SPAN>{ </SPAN><LI class=""><SPAN>echo $temp[$x]; </SPAN><LI class=alt><SPAN>echo " "; </SPAN><LI class=""><SPAN>} </SPAN><LI class=alt><SPAN></SPAN><SPAN class=tag><STRONG><FONT color=#006699>?></FONT></STRONG></SPAN><SPAN> </SPAN></LI></OL>然而另外一种更加节省代码的方式是:
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
<OL class=dp-xml><LI class=alt><SPAN><STRONG><FONT color=#006699><SPAN class=tag><?</SPAN><SPAN class=tag-name>php</SPAN></FONT></STRONG><SPAN> </SPAN></SPAN><LI class=""><SPAN>$</SPAN><SPAN class=attribute><FONT color=#ff0000>temp</FONT></SPAN><SPAN> = </SPAN><SPAN class=attribute-value><FONT color=#0000ff>array</FONT></SPAN><SPAN>("richmond", "tigers", "premiers"); </SPAN></SPAN><LI class=alt><SPAN>foreach ($temp as $element) </SPAN><LI class=""><SPAN>echo "$element "; </SPAN><LI class=alt><SPAN></SPAN><SPAN class=tag><STRONG><FONT color=#006699>?></FONT></STRONG></SPAN><SPAN> </SPAN></LI></OL>foreach 还能输出文字下标:
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
<OL class=dp-xml><LI class=alt><SPAN><STRONG><FONT color=#006699><SPAN class=tag><?</SPAN><SPAN class=tag-name>php</SPAN></FONT></STRONG><SPAN> </SPAN></SPAN><LI class=""><SPAN>$</SPAN><SPAN class=attribute><FONT color=#ff0000>temp</FONT></SPAN><SPAN> = </SPAN><SPAN class=attribute-value><FONT color=#0000ff>array</FONT></SPAN><SPAN>("club" =</SPAN><SPAN class=tag><STRONG><FONT color=#006699>></FONT></STRONG></SPAN><SPAN> "richmond", </SPAN></SPAN><LI class=alt><SPAN>"nickname" =</SPAN><SPAN class=tag><STRONG><FONT color=#006699>></FONT></STRONG></SPAN><SPAN>"tigers", </SPAN></SPAN><LI class=""><SPAN>"aim" =</SPAN><SPAN class=tag><STRONG><FONT color=#006699>></FONT></STRONG></SPAN><SPAN> "premiers"); </SPAN></SPAN><LI class=alt><SPAN> </SPAN><LI class=""><SPAN>foreach ($temp as $</SPAN><SPAN class=attribute><FONT color=#ff0000>key</FONT></SPAN><SPAN> =</SPAN><SPAN class=tag><STRONG><FONT color=#006699>></FONT></STRONG></SPAN><SPAN> $value) </SPAN></SPAN><LI class=alt><SPAN>echo "$key : $value "; </SPAN><LI class=""><SPAN></SPAN><SPAN class=tag><STRONG><FONT color=#006699>?></FONT></STRONG></SPAN><SPAN> </SPAN></LI></OL>以上就是PHP关联数组在数据库中的相关使用方法。
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