[英]Getting comma separated values from PHP array
I have an array thusly 我有一个数组
$main_array = [
["image" => "james.jpg", "name" => "james", "tag" => "spacey, wavy"],
["image" => "ned.jpg", "name" => "ned", "tag" => "bright"]
["image" => "helen.jpg", "name" => "helen", "tag" => "wavy, bright"]
]
I use a foreach
to echo some HTML based on the value of tag
. 我使用一个foreach
来基于tag
的值回显一些HTML。 Something like this 像这样
foreach($main_array as $key => $array) {
if ($array['tag'] == "bright") {
echo '<p>'.$array['name'].' '.$array['image'].' '.$array['tag'].'</p>';
}
}
This only outputs "ned" as matching the tag "bright". 这只会输出与标签“ bright”匹配的“ ned”。 But it should output "helen" too. 但是它也应该输出“ helen”。 Similarly: 类似地:
foreach($main_array as $key => $array) {
if ($array['tag'] == "wavy") {
echo '<p>'.$array['name'].' '.$array['image'].' '.$array['tag'].'</p>';
}
}
Should output "james" and "helen". 应输出“ james”和“ helen”。 What kind of function do I need to achieve the desired result? 我需要什么样的功能才能达到预期的效果?
检查项目列表中的项目时,可以使用explode()
将其拆分为多个部分(我使用过", "
分隔", "
因为每个项目似乎也有空格),然后使用in_array()
进行检查如果在列表中...
if (in_array("bright", explode( ", ", $array['tag']))) {
You cant do it directly, because it return key with values in string. 您不能直接执行此操作,因为它会返回带有字符串值的键。 Below are the working code. 以下是工作代码。
<?php
$main_array = [
["image" => "james.jpg", "name" => "james", "tag" => "spacey, wavy"],
["image" => "ned.jpg", "name" => "ned", "tag" => "bright"],
["image" => "helen.jpg", "name" => "helen", "tag" => "wavy, bright"]
];
foreach($main_array as $key => $array) {
$str_arr = explode (", ", $array['tag']);
foreach ($str_arr as $key2 => $array2) {
if ($array2 == "wavy") {
echo '<p>'.$array['name'].' '.$array['image'].' '.$array['tag'].'</p>';
}
}
}
?>
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