[英]Image upload script optional upload
我正在嘗試更改當前的圖片上傳腳本,因此上傳圖片是可選的; 我自己通過注釋掉腳本的部分來修改它,但遺憾的是腳本不斷輸出錯誤消息“錯誤的文件類型”。
如果任何人可以幫助如何編寫腳本那將是非常感謝(Y)
$image = '';
if (isset($_FILES['image']) === true) {
$max_file_size = 2000000;
/*if (empty($_FILES['image']['name']) === true) {
$errors['image'] = "You have not chosen a image";
} */ if( $_FILES['image']['size'] > $max_file_size ) {
$errors['image'] = "File size too large";
} else {
$allowed = array('jpg', 'JPG', 'jpeg', 'gif', 'png', 'PNG',);
$file_name = $_FILES['image']['name'];
$file_extension = end((explode('.', $file_name)));
$file_temp = $_FILES['image']['tmp_name'];
if (in_array($file_extension, $allowed) === true) {
$new_file_name = substr(md5(time()), 0, 10) . '.' . $file_extension;
$image = $file_path = 'images/collections/' . $new_file_name;
move_uploaded_file($file_temp, $file_path);
} else {
$errors['image'] = 'Incorrect file type. Allowed: ' . (implode(', ', $allowed));
}
}
}
<?php if (isset($errors['image'])/* && !empty($errors['image'])*/):?>
<p class="c-img-error"><?php echo $errors['image']; ?></p>
<?php endif ;?>
<div class="browse"><input type="file" name="image" value="" /> <span></span></div>
我將第一個if語句更改為如此 -
if ( isset( $_FILES["image"] ) && !empty( $_FILES["image"]["name"] ) ) {
然后,$ errors數組中不會記錄任何錯誤,因為如果沒有圖像文件,當前腳本將進入文件擴展名檢查。
$image = '';
if (isset( $_FILES["image"] ) && !empty( $_FILES["image"]["name"] ) ) {
$max_file_size = 2000000;
/*if (empty($_FILES['image']['name']) === true) {
$errors['image'] = "You have not chosen a image";
} */ if( $_FILES['image']['size'] > $max_file_size ) {
$errors['image'] = "File size too large";
} else {
$allowed = array('jpg', 'JPG', 'jpeg', 'gif', 'png', 'PNG',);
$file_name = $_FILES['image']['name'];
$file_extension = end((explode('.', $file_name)));
$file_temp = $_FILES['image']['tmp_name'];
if (in_array($file_extension, $allowed) === true) {
$new_file_name = substr(md5(time()), 0, 10) . '.' . $file_extension;
$image = $file_path = 'images/collections/' . $new_file_name;
move_uploaded_file($file_temp, $file_path);
} else {
$errors['image'] = 'Incorrect file type. Allowed: ' . (implode(', ', $allowed));
}
}
}
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