我有这个对象:
$boosts = array(
"2x12" => 500,
"2x24" => 800,
"2x7d" => 4500,
"3x12" => 700,
"3x24" => 1300,
"3x7d" => 6500
);
然后是一个变量:$type = "2x12";
我想要做的是检查$ boost中是否存在变量$ type。我尝试了很多代码,但我无法得到它。
foreach ($boosts as $savedTypes) {
echo json_encode($savedTypes) . "|";
if ($boosts[$type] === $type) {
echo "VALID";
}
}
foreach ($boosts as $key=>$value) {
if ($key === $type) {
echo "VALID";
}
}
希望对你有帮助
除非我遗漏了某些东西,否则你应该能够在这种情况下使用array_key_exists
$boosts = array(
"2x12" => 500,
"2x24" => 800,
"2x7d" => 4500,
"3x12" => 700,
"3x24" => 1300,
"3x7d" => 6500
);
$type='2x12';
$valid=array_key_exists( $type, $boosts );
echo $valid ? 'VALID' : 'INVALID';