创建CSV文件并根据条件php添加数据

$file = fopen('data.csv', 'w');

$data = array(
    array('Name', 'Age', 'City'),
    array('John', 25, 'New York'),
    array('Jane', 30, 'London'),
    array('Mike', 35, 'Paris')
);

$conditionField = 'Age';
$conditionValue = 30;

foreach ($data as $row) {
    // 判断条件是否满足
    if ($row[$conditionField] >= $conditionValue) {
        // 将数据写入CSV文件
        fputcsv($file, $row);
    }
}

fclose($file);

$file = fopen('data.csv', 'w');

$data = array(
    array('Name', 'Age', 'City'),
    array('John', 25, 'New York'),
    array('Jane', 30, 'London'),
    array('Mike', 35, 'Paris')
);

$conditionField = 'Age';
$conditionValue = 30;

foreach ($data as $row) {
    if ($row[$conditionField] >= $conditionValue) {
        fputcsv($file, $row);
    }
}

fclose($file);