Replace sizeof with count

Do not use sizeof to get the length of an array, as the function name 'sizeof'
is misleading

library/Icinga/Chart/Inline/Inline.php

@@ -101,14 +101,14 @@ class Inline {
         foreach ($this->data as $key => $value) {
             $this->data[$key] = (int)$value;
         }
-        for ($i = 0; $i < sizeof($this->data); $i++) {
+        for ($i = 0; $i < count($this->data); $i++) {
             $this->labels[] = '';
         }
 
         if (array_key_exists('colors', $_GET)) {
             $this->colors = $this->sanitizeStringArray(explode(',', $_GET['colors']));
         }
-        while (sizeof($this->colors) < sizeof($this->data)) {
+        while (count($this->colors) < count($this->data)) {
             $this->colors[] = '#FEFEFE';
         }
 

library/Icinga/Protocol/Dns.php

@@ -101,7 +101,7 @@ class Dns
     public static function ipv4($hostname)
     {
         $records = dns_get_record($hostname, DNS_A);
-        if ($records !== false && sizeof($records) > 0) {
+        if ($records !== false && count($records) > 0) {
             return $records[0]['ip'];
         }
         return false;
@@ -117,7 +117,7 @@ class Dns
     public static function ipv6($hostname)
     {
         $records = dns_get_record($hostname, DNS_AAAA);
-        if ($records !== false && sizeof($records) > 0) {
+        if ($records !== false && count($records) > 0) {
             return $records[0]['ip'];
         }
         return false;

modules/monitoring/application/views/scripts/list/servicematrix.phtml

@@ -22,7 +22,7 @@ $pivotData = $this->pivot->toArray();
 $hostFilter = '(' . implode('|', array_keys($pivotData)) . ')';
 ?>
 
-<?php if (sizeof($pivotData) === 0): ?>
+<?php if (count($pivotData) === 0): ?>
     <?= $this->translate('No Service Found'); ?>
 <?php endif ?>