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PHP時間判斷語句

PHP

慕斯王 2019-05-25 15:15:10

<?php 判斷：6點到9點就調(diào)用 echo "/css/css1.css"10點到14點就調(diào)用 echo "/css/css2.css"15點到17點就調(diào)用 echo "/css/css3.css"18點到21點就調(diào)用 echo "/css/css4.css"22點到次日點就調(diào)用 echo "/css/css4.css"?>

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犯罪嫌疑人X

TA貢獻(xiàn)2080條經(jīng)驗獲得超4個贊

date_default_timezone_set('PRC');
$hour = date('H',time());
if($hour>6 && $hour<9){
$css = "/css/css1.css";
}elseif($hour>10 && $hour<14){
$css = "/css/css2.css";
}elseif($hour>15 && $hour<17){
$css = "/css/css3.css";
}elseif($hour>18 && $hour<21){
$css = "/css/css4.css";
}else{
$css = "/css/css5.css";
}

echo "現(xiàn)在是{$hour}點，調(diào)用{$css}";
echo "<link href=\"{$css}\" rel=\"stylesheet\" type=\"text/css\" />";

反對回復(fù) 2019-05-26

搖曳的薔薇

TA貢獻(xiàn)1793條經(jīng)驗獲得超6個贊

date_default_timezone_set('PRC');
$hour = date('H',time());
if($hour>6 && $hour<9){
$css = "/css/css1.css";
}elseif($hour>10 && $hour<14){
$css = "/css/css2.css";
}elseif($hour>15 && $hour<17){
$css = "/css/css3.css";
}elseif($hour>18 && $hour<21){
$css = "/css/css4.css";
}else{
$css = "/css/css5.css";
}

echo "現(xiàn)在是{$hour}點，調(diào)用{$css}";
echo "<link href=\"{$css}\" rel=\"stylesheet\" type=\"text/css\" />";