[英]Adding an If/Else statement within PHP foreach loop - WordPress Custom Fields
我有這個WordPress自定義字段PHP循環:
<?php
$fields = CFS()->get('image-field');
foreach ($fields as $field) {
?>
<a href="<?php echo $field['image-upload']; ?>">Link to image</a>
<a href="<?php echo $field['image-url']; ?>">Link to image</a>
<?php echo $field['image-description']; ?>
<?php } ?>
並想添加一個If / Else語句,例如(這不起作用):
<?php
$fields = CFS()->get('image-field');
foreach ($fields as $field) {
?>
if ( $field['image-upload'] ) {
<a href="<?php echo $field['image-upload']; ?>">Link to image</a>
}
else {
<a href="<?php echo $field['image-url']; ?>">Link to image</a>
}
<?php echo $field['image-description']; ?>
<?php } ?>
我發現這可行
<?php
$fields = CFS()->get('image-field');
foreach ($fields as $field) {
if ( $field['image-upload'] ) {
?>
<a href="<?php echo $field['image-upload']; ?>">Go To Store!</a>
<?php
} else {
echo $field['image-url'];
}
echo $field['image-description'];
}
?>
但是在嘗試添加HTML時,我遇到了以上代碼的語法錯誤。
編輯:工作解決方案,謝謝晶體
<?php
$fields = CFS()->get('image-field');
?>
<? foreach ($fields as $field) : ?>
<ul>
<? if ( $field['image-upload'] ) : ?>
<li><a href="<?= $field['image-upload'] ?>">Link to image</a>
<? else : ?>
<li><a href="<?= $field['image-url'] ?>">Link to image</a>
<? endif ?>
<li><?= $field['image-description'] ?>
</ul>
<? endforeach ?>
HTML應該用echo
或<?php ... ?>
之外的形式編寫,如下所示:
<?php
$fields = CFS()->get('image-field');
foreach ($fields as $field) {
if ( $field['image-upload'] ) { ?>
<a href="<?php echo $field['image-upload']; ?>">Link to image</a>
<?php } else { ?>
<a href="<?php echo $field['image-url']; ?>">Link to image</a>
<?php
}
echo $field['image-description'];
}
?>
如果使用short_open_tag:
<?php
$fields = CFS()->get('image-field');
?>
<? foreach ($fields as $field) : ?>
<? if ( $field['image-upload'] ) : ?>
<a href="<?= $field['image-upload'] ?>">Link to image</a>
<? else : ?>
<a href="<?= $field['image-url'] ?>">Link to image</a>
<? endif ?>
<?= $field['image-description'] ?>
<? endforeach ?>
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