So I'm generating a javascript array of objects in php with a for
loop. My code looks somewhat like this:
<script type="text/javascript">
var 开发者_Python百科items = [
<?php foreach($items as $item): ?>
{
"title" : "<?php echo $item->title ?>",
"image" : "<?php echo $item->getImage()?>",
},
<?php endforeach ?>
];
</script>
This code will not work, since I end up with an extra comma at the end of my javascript array. Is there an elegant way to deal with that comma that separates the javascript objects?
You should use json_encode()
.
<?php
$jsItems = array();
foreach($items as $item) {
$jsItems[] = array(
'title' => $item->title,
'image' => $item->getImage()
);
}
echo 'var items = '.json_encode($jsItems).';';
?>
ThiefMaster's got it, but to expand on the answer:
$arr = array()
foreach ($items as $item) {
$arr[] = array('title' => $item->title, 'image' => $item->getImage());
}
echo json_encode($arr);
For the future, in case you run into this type of looping problem again (regardless if it's json related), you can use a boolean to detect if a comma is needed:
<?php $firstTime = true ?>
<?php foreach($items as $item): ?>
<?php
if (!$firstTime):
echo ', ';
else:
$firstTime = false;
endif;
?>
{
"title" : "<?php echo $item->title ?>",
"image" : "<?php echo $item->getImage()?>",
}
<?php endforeach ?>
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