首頁猿問 PHP時(shí)間判斷語句

PHP時(shí)間判斷語句

PHP

不負(fù)相思意 2019-05-16 10:10:34

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

查看完整描述

3 回答

婷婷同學(xué)_

TA貢獻(xiàn)1844條經(jīng)驗(yàn) 獲得超8個(gè)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{$hour}點(diǎn)，調(diào)用{$css}";
echo "<link href=\"{$css}\" rel=\"stylesheet\" type=\"text/css\" />";

反對回復(fù) 2019-05-17

慕尼黑5688855

TA貢獻(xiàn)1848條經(jīng)驗(yàn) 獲得超2個(gè)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{$hour}點(diǎn)，調(diào)用{$css}";
echo "<link href=\"{$css}\" rel=\"stylesheet\" type=\"text/css\" />";