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validation.php
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75 lines (68 loc) · 2.24 KB
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<?php
if (isset($_POST["upload"])) {
// Get file extension
$file_extension = pathinfo($_FILES["file-input"]["name"], PATHINFO_EXTENSION);
// Validate file input to check if is not empty
if (! file_exists($_FILES["file-input"]["tmp_name"])) {
$response = array(
"type" => "error",
"message" => "File input should not be empty."
);
} // Validate file input to check if is with valid extension
else if ($file_extension != "csv") {
$response = array(
"type" => "error",
"message" => "Invalid CSV: File must have .csv extension."
);
echo $result;
} // Validate file size
else if (($_FILES["file-input"]["size"] > 2000000)) {
$response = array(
"type" => "error",
"message" => "Invalid CSV: File size is too large."
);
} // Validate if all the records have same number of fields
else {
$lengthArray = array();
$row = 1;
if (($fp = fopen($_FILES["file-input"]["tmp_name"], "r")) !== FALSE) {
while (($data = fgetcsv($fp, 1000, ",")) !== FALSE) {
$lengthArray[] = count($data);
$row ++;
}
fclose($fp);
}
$lengthArray = array_unique($lengthArray);
if (count($lengthArray) == 1) {
$response = array(
"type" => "success",
"message" => "File Validation Success."
);
} else {
$response = array(
"type" => "error",
"message" => "Invalid CSV: Count mismatch."
);
}
}
}
?>
<form id="frm-upload" action="" method="post"
enctype="multipart/form-data">
<div class="form-row">
<div>Choose file:</div>
<div>
<input type="file" class="file-input" name="file-input">
</div>
</div>
<div class="button-row">
<input type="submit" id="btn-submit" name="upload"
value="Upload">
</div>
</form>
<?php if(!empty($response)) { ?>
<div class="response <?php echo $response["type"]; ?>
">
<?php echo $response["message"]; ?>
</div>
<?php }?>