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authorsteckbrief <steckbrief@chefmail.de>2017-11-25 23:30:49 +0100
committersteckbrief <steckbrief@chefmail.de>2017-11-25 23:30:49 +0100
commit03cf2a22fe227633cf901dc1d9cf1024b8d07b59 (patch)
tree7a5a4e2162e088bf745161cb65d0a852e3e51010 /functions.common.inc.php
Initial commit
Diffstat (limited to 'functions.common.inc.php')
-rw-r--r--functions.common.inc.php40
1 files changed, 40 insertions, 0 deletions
diff --git a/functions.common.inc.php b/functions.common.inc.php
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+++ b/functions.common.inc.php
@@ -0,0 +1,40 @@
+<?php
+/*
+ * This file contains functions commonly used.
+ */
+
+/**
+ * Copied from http://rogerstringer.com/2013/11/15/generate-uuids-php/
+ */
+function generate_uuid() {
+ return sprintf( '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
+ mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ),
+ mt_rand( 0, 0xffff ),
+ mt_rand( 0, 0x0fff ) | 0x4000,
+ mt_rand( 0, 0x3fff ) | 0x8000,
+ mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff )
+ );
+}
+
+function format_size($size, $precision = 2) {
+ $sizes = ['bytes', 'Kb', 'Mb', 'Gb', 'Tb'];
+ $i = 0;
+ while (1023 < $size && $i < count($sizes) - 1) {
+ $size /= 1023;
+ ++$i;
+ }
+
+ return number_format($size, $precision).' '.$sizes[$i];
+}
+
+function startsWith($haystack, $needle) {
+ $length = strlen($needle);
+ return (substr($haystack, 0, $length) === $needle);
+}
+
+function endsWith($haystack, $needle) {
+ $length = strlen($needle);
+
+ return $length === 0 || (substr($haystack, -$length) === $needle);
+}
+?>