48 lines
1.0 KiB
PHP
48 lines
1.0 KiB
PHP
<?php
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function ensure($bool, $error_msg = "")
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{
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if (!$bool)
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throw new AssertionError($error_msg);
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}
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function formatDate($date = NULL, $with_time = false)
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{
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if ($date == NULL)
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$date = date("yyyy-mm-dd");
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return strftime("%d %B %G" . ($with_time ? " %H:%M" : ""), strtotime($date));
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}
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function dateWellFormed($date, $with_time = false)
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{
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return date_parse_from_format($with_time ? "yyyy-mm-dd HH-MM:ss" : "yy-mm-dd", $date) !== false;
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}
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function genRandomPhrase($size, $uppercase = false)
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{
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$alphabet = $uppercase ? "0123456789abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789" : "0123456789abcdefghijklmnopqrstuvwxyz0123456789";
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$phrase = "";
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for ($i = 0; $i < $size; ++$i) {
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$phrase .= $alphabet[rand(0, strlen($alphabet) - 1)];
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}
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return $phrase;
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}
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function getExtFromMimeType($mime_type)
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{
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switch ($mime_type) {
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case "application/pdf":
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return ".pdf";
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case "image/png":
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return ".png";
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case "image/jpg":
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case "image/jpeg":
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return ".jpg";
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case "application/zip":
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return ".zip";
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}
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return "";
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} |