我正在嘗試檢查兩個(gè)輸入，但是當(dāng)僅設(shè)置兩個(gè)輸入之一時(shí)，它應(yīng)該給出 TRUE。當(dāng)兩者都為空時(shí)，它應(yīng)該給出錯(cuò)誤。 //check if post image upload or youtube url isset $pyturl = $_POST['post_yturl']; if (isset($_FILES['post_image']) && isset($pyturl)) { if (empty($_FILES['post_image']['name']) or empty($pyturl)) { $errors = '<div class="error2">Choose a news header.</div>'; } else { //check image format $allowed = array('jpg','jpeg','gif','png'); $file_name = $_FILES['post_image']['name']; $file_extn = strtolower(end(explode('.', $file_name))); $file_temp = $_FILES['post_image']['tmp_name']; 嘗試了多種方法，但它不想按我想要的方式工作。
1 回答
一只甜甜圈
TA貢獻(xiàn)1836條經(jīng)驗(yàn) 獲得超5個(gè)贊
一種替代方案（恕我直言，更干凈）是預(yù)先進(jìn)行驗(yàn)證，然后在知道擁有有效數(shù)據(jù)后對(duì)其進(jìn)行處理。
當(dāng)您開(kāi)始處理時(shí)，您還需要檢查需要處理的來(lái)源 -$_FILE與。$_POST
<?php
$isValid = true;
// Validation - if both sources are empty, validation should fail.
if (!isset($_FILES['post_image']) && !isset($_POST['post_yturl'])) {
$isValid = false;
$errors = '<div class="error2">Choose a news header.</div>';
}
... More validation if needed
if ($isValid) {
// At this point you know you have at least 1 source. Start processing.
if (isset($_FILES['post_image']) {
... do your processing
}
if (isset($_POST['post_yturl']) {
... do your processing
}
}
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