有没有更有效的方法来编写这段php代码?
是否有一种更高效/优雅的方式来编写这段代码:有没有更有效的方法来编写这段php代码?,php,arrays,performance,Php,Arrays,Performance,是否有一种更高效/优雅的方式来编写这段代码: $arr1 = array( "weedoit3", "alambic3", "darwinefficiencyscared", "darwinmoneyscared", "darwin5scared"); $arr2 = array( "darwingouroo", "weedoit4", "darwin5",
$arr1 = array(
"weedoit3",
"alambic3",
"darwinefficiencyscared",
"darwinmoneyscared",
"darwin5scared");
$arr2 = array(
"darwingouroo",
"weedoit4",
"darwin5",
"darwinefficiency",
"darwinmoney",
"pj_half",
"pj_pole");
$imgArray = array(
'<img src="images/mail26bg.jpg" width="1440" height="810" class="thiefBg" />',
'<img src="images/mail25bg.jpg" width="819" height="1024" class="thiefBg" />',
'<img src="images/mai01.jpg" width="1440" height="960" class="thiefBg" />',
'<img src="images/mai02.jpg" width="1440" height="960" class="thiefBg" />',
'<img src="images/mai03.jpg" width="1440" height="1081" class="thiefBg" />');
if (in_array($_GET['ref'], $arr1)) {
echo $imgArray[0];
}
else if (in_array($_GET['ref'], $arr2)) {
echo $imgArray[1];
}
else if ($_GET['ref'] == "darwin4" || $_GET['ref'] == "darwinenquete") {
echo $imgArray[2];
}
else if ($_GET['ref'] == "darwinscared") {
echo $imgArray[3];
}
else if ($_GET['ref'] == "mai03") {
echo $imgArray[4];
}
$arr1=数组(
“weedoit3”,
“alambic3”,
“亲爱的,我害怕”,
“达尔文害怕”,
“达尔文五世”);
$arr2=数组(
“Darvingouroo”,
“weedoit4”,
“达尔文5号”,
“达尔文效率”,
“达尔文金钱”,
“pj_一半”,
“pj_pole”);
$imgArray=数组(
'',
'',
'',
'',
'');
if(在数组中($\u GET['ref'],$arr1)){
echo$imgaray[0];
}
else if(在数组中($\u GET['ref'],$arr2)){
echo$imgaray[1];
}
如果($_GET['ref']=“darwin4”|$_GET['ref']=“darwinenquete”){
echo$Imgaray[2];
}
如果($_GET['ref']==“Darwins”){
echo$imgaray[3];
}
如果($_GET['ref']==“mai03”){
echo$imgaray[4];
}
制作一张索引的参考地图
$refMap = Array('weedoit3' => 0, 'alambic' => 0, ... 'mai03' => 4);
echo $imgArray[$refMap[$_GET['ref']]];
将ref映射到index
$refMap = Array('weedoit3' => 0, 'alambic' => 0, ... 'mai03' => 4);
echo $imgArray[$refMap[$_GET['ref']]];
总是比数组中的
快是isset
因此,您可以这样定义查找数组:
<?php
// Trick here: Use your values as keys and assign them an empty string:
$arr1 = array('weedoit3' => '',
'alambic3' => '',
// ...
);
// Then the check:
if(true === isset($arr1[$_GET['ref'])
{
// do whatever
}
总是比数组中的快是isset
因此,您可以这样定义查找数组:
<?php
// Trick here: Use your values as keys and assign them an empty string:
$arr1 = array('weedoit3' => '',
'alambic3' => '',
// ...
);
// Then the check:
if(true === isset($arr1[$_GET['ref'])
{
// do whatever
}
谢谢,这正是我需要的。谢谢,这正是我需要的。