例如，如果我不想顯示 27.12，我該如何隱藏某些日期？目前它運行以便這個循環連續運行，無論我插入哪個 If 查詢，仍然顯示 27。我想插入一個包含多個不應顯示的日期的數組。$date = time() + (86400*3);$b = 5; // Anzahl Schleifendurchl?ufe$cb = "4";for($i = 0; $i < $b; $i++) { $cb++; echo '<li><input type="checkbox" id="'.$cb.'" name="Datum" value="'.date('d.m.Y', $date).'"/>'.date('d.m.Y', $date).' <label class="ort" for="'.$cb.'"><img src="https://www.tintencenter.com/blog/wp-content/uploads/2019/02/kalender-678x381.jpg" /><br><br></label></li>'; $date += 86400;@RiggsFolly這正是我的想法，但是循環中不再顯示任何內容，而不僅僅是這個日期。但是所有其他條目也不可見......我擔心其他條目仍然可見，只有特定日期不可見?；蛘咚皇前l生在循環中。for($i = 0; $i < $b; $i++) { $cb++; if (date('d.m', $date) == '31.12'){ echo '<li><input type="checkbox" id="'.$cb.'" name="Datum" value="'.date('d.m.Y', $date).'"/>'.date('d.m.Y', $date).' <label class="ort" for="'.$cb.'"><img src="https://www.tintencenter.com/blog/wp-content/uploads/2019/02/kalender-678x381.jpg" /><br><br></label> </li>'; $date += 86400; }else{ echo '<li><input type="checkbox" id="'.$cb.'" name="Datum" value="'.date('d.m.Y', $date).'"/>'.date('d.m.Y', $date).' <label class="ort" for="'.$cb.'"><img src="https://www.tintencenter.com/blog/wp-content/uploads/2019/02/kalender-678x381.jpg" /><br><br></label> </li>'; $date += 86400; }
1 回答
明月笑刀無情
TA貢獻1828條經驗 獲得超4個贊
一個簡單的 IF 應該允許您不打印日期之一
$aDay = 86400*3;
$date = time() + $aDay;
$b = 5; // Anzahl Schleifendurchl?ufe
$cb = "4";
echo 'Loop without any checks'.PHP_EOL;
for($i = 0; $i < $b; $i++) {
echo date('d.m.Y',$date) . PHP_EOL;
$date += $aDay;
}
//reset date and pick one of the dates that will occur and stop it
$date = time() + $aDay;
echo PHP_EOL.'Loop with checks'.PHP_EOL;
for($i = 0; $i < $b; $i++) {
$cb++;
if (date('d.m', $date) == '07.01'){
echo 'Dont print it ' . date('d.m.Y', $date) . PHP_EOL;
}else{
echo 'Print it ' .date('d.m.Y', $date) . PHP_EOL;
}
$date += $aDay;
}
結果
Loop without any checks
01.01.2020
04.01.2020
07.01.2020
10.01.2020
13.01.2020
Loop with checks
Print it 01.01.2020
Print it 04.01.2020
Dont print it 07.01.2020
Print it 10.01.2020
Print it 13.01.2020
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