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$result = [
['month'=>08,'price'=>218],
['month'=>12,'price'=>140],
];
//先构造类似 ['01'=>0,'02'=>0 .... '12'=>0] 这种格式的数组
$fullMonth = [];
for($i=1;$i<=12;$i++){
$fullMonth[str_pad($i,2,'0',STR_PAD_LEFT)] = 0;
}
// 遍历数组 对应月份有值就放到新建的数组里
$i = 0;
foreach($fullMonth as $month=>$value){
foreach($result as $record){
if($month == $record['month']){
$fullMonth[$month] = $record['price'];
}
}
$i++;
}
return '[' . implode(',',$fullMonth) . ']';
$r = array_fill(0, 12, null);
$result = [
['month'=> '08', 'price'=> 218],
['month'=> '12', 'price'=> 140],
];
foreach($result as $v) {
$r[$v['month'] - 1] = $v['price'];
}
echo json_encode($r);
[null,null,null,null,null,null,null,218,null,null,null,140]
$result = [
['month'=>08,'price'=>218],
['month'=>12,'price'=>140],
];
echo json_encode($result); // [{"month":0,"price":218},{"month":12,"price":140}]
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title> New Document </title>
</head>
<body>
<?php
$result = [
['month'=>08,'price'=>218],
['month'=>12,'price'=>140],
];
?>
<div id="result"></div>
<script type="text/javascript">
var result = <?php echo json_encode($result); ?>;
var tmp = '';
for(var i=0; i<result.length; i++){
tmp += result[i].month + ' = ' + result[i].price + '<br>';
}
document.getElementById('result').innerHTML = tmp;
</script>
</body>
</html>
<?php
$res = [['y'=>'2014-12-03','item'=>263],['y'=>'2014-12-04','item'=>168]];
$tmp = array();
foreach($res as $v){
$tmp[$v['y']] = $v['item'];
}
$start = 1;
$end = 31;
$result = array();
for($i=$start; $i<=$end; $i++){
$key = date('Y-m-d',strtotime('2014-12-'.$i));
$item = null;
if(isset($tmp[$key])){
$item = $tmp[$key];
}
array_push($result, array('y'=>$key,'item'=>$item));
}
echo json_encode($result, JSON_PRETTY_PRINT);
?>
[
{
"y": "2014-12-01",
"item": null
},
{
"y": "2014-12-02",
"item": null
},
{
"y": "2014-12-03",
"item": 263
},
{
"y": "2014-12-04",
"item": 168
},
{
"y": "2014-12-05",
"item": null
},
{
"y": "2014-12-06",
"item": null
},
{
"y": "2014-12-07",
"item": null
},
{
"y": "2014-12-08",
"item": null
},
{
"y": "2014-12-09",
"item": null
},
{
"y": "2014-12-10",
"item": null
},
{
"y": "2014-12-11",
"item": null
},
{
"y": "2014-12-12",
"item": null
},
{
"y": "2014-12-13",
"item": null
},
{
"y": "2014-12-14",
"item": null
},
{
"y": "2014-12-15",
"item": null
},
{
"y": "2014-12-16",
"item": null
},
{
"y": "2014-12-17",
"item": null
},
{
"y": "2014-12-18",
"item": null
},
{
"y": "2014-12-19",
"item": null
},
{
"y": "2014-12-20",
"item": null
},
{
"y": "2014-12-21",
"item": null
},
{
"y": "2014-12-22",
"item": null
},
{
"y": "2014-12-23",
"item": null
},
{
"y": "2014-12-24",
"item": null
},
{
"y": "2014-12-25",
"item": null
},
{
"y": "2014-12-26",
"item": null
},
{
"y": "2014-12-27",
"item": null
},
{
"y": "2014-12-28",
"item": null
},
{
"y": "2014-12-29",
"item": null
},
{
"y": "2014-12-30",
"item": null
},
{
"y": "2014-12-31",
"item": null
}
]
<?php
$res = [['y'=>'2014-12-03','item'=>263],['y'=>'2014-12-04','item'=>168]];
echo json_encode($res, JSON_PRETTY_PRINT);
?>
[
{
"y": "2014-12-03",
"item": 263
},
{
"y": "2014-12-04",
"item": 168
}
]
$res = [[y=>'2014-12-03','item'=>263],[y=>'2014-12-04','item'=>168]];
让变成如下格式
[
{y: '2014-12-01', item: null},
{y: '2014-12-02', item: null},
{y: '2014-12-03', item: 263},
{y: '2014-12-04', item: 168},
{y: '2014-12-05', item: null},
.....
{y: '2014-12-31', item1:null},
]