require php 5.2.6 (debian-old's oldest version), get rid of ancient compat

core/compat.inc.php

@@ -1,95 +0,0 @@
-<?php
-/**
- * Functions which are only in some versions of PHP,
- * or only implemented on some platforms
- *
- * \privatesection
- */
-
-# (PHP 5 >= 5.2.1)
-# Based on http://www.phpit.net/
-# article/creating-zip-tar-archives-dynamically-php/2/
-if(!function_exists('sys_get_temp_dir')) {
-function sys_get_temp_dir() {
-	// Try to get from environment variable
-	if(!empty($_ENV['TMP'])) {
-		return realpath($_ENV['TMP']);
-	}
-	else if(!empty($_ENV['TMPDIR'])) {
-		return realpath($_ENV['TMPDIR']);
-	}
-	else if(!empty($_ENV['TEMP'])) {
-		return realpath($_ENV['TEMP']);
-	}
-
-	// Detect by creating a temporary file
-	else {
-		// Try to use system's temporary directory
-		// as random name shouldn't exist
-		$temp_file = tempnam(md5(uniqid(rand(), TRUE)), '');
-		if($temp_file) {
-			$temp_dir = realpath(dirname($temp_file));
-			unlink($temp_file);
-			return $temp_dir;
-		}
-		else {
-			return FALSE;
-		}
-	}
-}
-}
-
-# (PHP >= 5.1)
-# from http://www.php.net/inet_pton
-if(!function_exists('inet_pton')) {
-function inet_pton($ip) {
-    # ipv4
-    if(strpos($ip, '.') !== FALSE) {
-        $ip = pack('N',ip2long($ip));
-    }
-    # ipv6
-    else if(strpos($ip, ':') !== FALSE) {
-        $ip = explode(':', $ip);
-        $res = str_pad('', (4*(8-count($ip))), '0000', STR_PAD_LEFT);
-        foreach($ip as $seg) {
-            $res .= str_pad($seg, 4, '0', STR_PAD_LEFT);
-        }
-        $ip = pack('H'.strlen($res), $res);
-    }
-    return $ip;
-}
-}
-
-# (PHP >= 5.1)
-# from http://www.php.net/inet_ntop
-if(!function_exists('inet_ntop')) {
-function inet_ntop($ip) {
-    if (strlen($ip)==4) {
-        // ipv4
-        list(,$ip)=unpack('N',$ip);
-        $ip=long2ip($ip);
-    } elseif(strlen($ip)==16) {
-        // ipv6
-        $ip=bin2hex($ip);
-        $ip=substr(chunk_split($ip,4,':'),0,-1);
-        $ip=explode(':',$ip);
-        $res='';
-        foreach($ip as $seg) {
-            while($seg{0}=='0') $seg=substr($seg,1);
-            if ($seg!='') {
-                $res.=($res==''?'':':').$seg;
-            } else {
-                if (strpos($res,'::')===false) {
-                    if (substr($res,-1)==':') continue;
-                    $res.=':';
-                    continue;
-                }
-                $res.=($res==''?'':':').'0';
-            }
-        }
-        $ip=$res;
-    }
-    return $ip;
-}
-}
-?>

core/database.class.php

@@ -1,6 +1,4 @@
 <?php
-require_once "compat.inc.php";
-
 /** @privatesection */
 // Querylet {{{
 class Querylet {

core/util.inc.php

@@ -396,11 +396,11 @@ function captcha_check() {
  * @private
  */
 function _version_check() {
-	if(version_compare(PHP_VERSION, "5.0.0") == -1) {
+	if(version_compare(PHP_VERSION, "5.2.6") == -1) {
 		print "
-Currently SCore Engine doesn't support versions of PHP lower than 5.0.0 --
+Currently SCore Engine doesn't support versions of PHP lower than 5.2.6 --
-PHP4 and earlier are officially dead according to their creators,
+if your web host is running an older version, they are dangerously out of
-please tell your host to upgrade.
+date and you should plan on moving elsewhere.
 ";
 		exit;
 	}