PHP 5.x compatibility

1 files changed, 12 insertions, 12 deletions

diff --git a/http/api-inc.php b/http/api-inc.php
index e70957e..3163618 100644
--- a/http/api-inc.php
+++ b/http/api-inc.php
@@ -26,6 +26,10 @@ function recursive_ksort(&$array, $flags = SORT_REGULAR) {
     return true;
 }
 
+function is_integer_like($value) {
+    return ctype_digit($value) || is_int($value);
+}
+
 class ParametersException extends Exception {};
 
 function run($parameters) {
@@ -61,10 +65,6 @@ class ApiPkl {
         $this->parameters = $this->parse_parameters($parameters);
     }
 
-    protected function is_integer($value) {
-        return ctype_digit($value) || is_int($value);
-    }
-
     function ensure_parameters($params) {
         foreach ($params as $param) {
             if (!isset($this->parameters[$param])) {
@@ -87,12 +87,12 @@ class ApiPkl {
     function check_parameters() {
         $this->ensure_parameters(array('type', 'contestants'));
         $this->check_values($this->parameters, array(
-            'type' => function($r) { return $this->is_integer($r) && intval($r) > 0; },
-            'contestants' => function($r) { return $this->is_integer($r) && intval($r) > 0; }
+            'type' => function($r) { return is_integer_like($r) && intval($r) > 0; },
+            'contestants' => function($r) { return is_integer_like($r) && intval($r) > 0; }
         ));
         if (isset($this->parameters['players'])) {
             $this->check_values($this->parameters, array(
-                'players' => function($r) { return $this->is_integer($r) && intval($r) > 0; }
+                'players' => function($r) { return is_integer_like($r) && intval($r) > 0; }
             ));
         }
         if (!isset($this->parameters['manual']) || !isset($this->parameters['manual']['min_points'])) {
@@ -103,17 +103,17 @@ class ApiPkl {
             if (!isset($this->parameters['manual']) || !isset($this->parameters['manual']['tournament_weight'])) {
                 $this->ensure_parameters(array('tournament_rank', 'over39_boards'));
                 $this->check_values($this->parameters, array(
-                    'tournament_rank' => function($r) { return $this->is_integer($r) && ((intval($r) >= 0 && intval($r) <= 7) || in_array(intval($r), array(ApiPkl::RANK_KMP, ApiPkl::RANK_BNET))); },
-                    'over39_boards' => function($r) { return $this->is_integer($r) && intval($r) >= 0 && intval($r) <= 1; }
+                    'tournament_rank' => function($r) { return is_integer_like($r) && ((intval($r) >= 0 && intval($r) <= 7) || in_array(intval($r), array(ApiPkl::RANK_KMP, ApiPkl::RANK_BNET))); },
+                    'over39_boards' => function($r) { return is_integer_like($r) && intval($r) >= 0 && intval($r) <= 1; }
                 ));
             } else {
                 $this->check_values($this->parameters['manual'], array(
-                    'tournament_weight' => function($r) { return $this->is_integer($r) && intval($r) > 0; }
+                    'tournament_weight' => function($r) { return is_integer_like($r) && intval($r) > 0; }
                 ));
             }
         } else {
             $this->check_values($this->parameters['manual'], array(
-                'min_points' => function($r) { return $this->is_integer($r) && intval($r) >= 0; }
+                'min_points' => function($r) { return is_integer_like($r) && intval($r) >= 0; }
             ));
         }
         if (isset($this->parameters['manual']) && isset($this->parameters['manual']['players_coefficient'])) {
@@ -280,7 +280,7 @@ class ApiPklV3 extends ApiPklV2 {
         }
         if (isset($this->parameters['boards'])) {
             $this->check_values($this->parameters, array(
-                'boards' => function($r) { return $this->is_integer($r); }
+                'boards' => function($r) { return is_integer_like($r); }
             ));
             $this->parameters['over39_boards'] = strval(intval($this->parameters['boards'] > 39));
         }