SourcePunish check time is numeric patch

diff --git a/scripting/sourceirc-sourcepunish.sp b/scripting/sourceirc-sourcepunish.sp
index e5a47f2..db8523e 100644
--- a/scripting/sourceirc-sourcepunish.sp
+++ b/scripting/sourceirc-sourcepunish.sp
@@ -85,6 +85,15 @@ public PunishmentPluginUnloaded() {
        ProcessRegisteredPunishments();
 }

+stock IsStringNumeric(const String:StringToCheck[]) {
+       for (new i = 0; i < strlen(StringToCheck); i++) {
+               if (!IsCharNumeric(StringToCheck[i])) {
+                       return false;
+               }
+       }
+       return true;
+}
+
 public Action:IRCCommand_Punish(String:nick[], args) {
        decl String:command[70], String:twoChars[3], String:threeChars[4];
        IRC_GetCmdArg(0, command, sizeof(command));
@@ -149,6 +158,10 @@ public Action:IRCCommand_Punish(String:nick[], args) {
                        new posAfterTime = -1;
                        if (reasonArgumentNum == 3 && pos != -1) {
                                posAfterTime = BreakString(fullArgString[pos], time, sizeof(time));
+                               if (!IsStringNumeric(time)) {
+                                       IRC_ReplyToCommand(nick, "Given time must be numeric.");
+                                       return Plugin_Handled;
+                               }
                        } else {
                                strcopy(time, sizeof(time), "0");
                        }
diff --git a/scripting/sourcepunish.sp b/scripting/sourcepunish.sp
index 4fc8595..b3f9dba 100644
--- a/scripting/sourcepunish.sp
+++ b/scripting/sourcepunish.sp
@@ -215,6 +215,15 @@ public ActivePunishmentsLookupComplete(Handle:owner, Handle:query, const String:
        }
 }

+stock IsStringNumeric(const String:StringToCheck[]) {
+        for (new i = 0; i < strlen(StringToCheck); i++) {
+                if (!IsCharNumeric(StringToCheck[i])) {
+                        return false;
+                }
+        }
+        return true;
+}
+
 public Action:Command_Punish(client, args) {
        decl String:command[70], String:twoChars[3], String:threeChars[4];
        GetCmdArg(0, command, sizeof(command));
@@ -280,6 +289,10 @@ public Action:Command_Punish(client, args) {
                        new posAfterTime = -1;
                        if (reasonArgumentNum == 3 && pos != -1) {
                                posAfterTime = BreakString(fullArgString[pos], time, sizeof(time));
+                               if (!IsStringNumeric(time)) {
+                                       ReplyToCommand(client, "Given time must be numeric.");
+                                       return Plugin_Handled;
+                               }
                        } else {
                                strcopy(time, sizeof(time), "0");
                        }