检查单词是否在一组单词中
这个问题在这里已经有了答案:
<?php
$os = array("Mac", "NT", "Irix", "Linux");
if (in_array("Irix", $os)) {
echo "Got Irix";
}
if (in_array("mac", $os)) {
echo "Got mac";
}
?>
http://php.net/manual/en/function.in-array.php
你可以结合in_array和explode函数
echo ((in_array($searchTerm, explode(",", $cities)))?"Yes":"No");
或者如果你想要一个更可读的版本
$resultArray = explode(",", $cities);
$result = (in_array($searchTerm, $resultArray);
if ($result) {
echo "Yes"
} else {
echo "No";
}
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