fix phpredis#942

Author: ndxbn

redis.c

@@ -837,8 +837,7 @@ PHP_METHOD(Redis, setex)
  */
 PHP_METHOD(Redis, psetex)
 {
-    REDIS_PROCESS_KW_CMD("PSETEX", redis_key_long_val_cmd,
-        redis_string_response);
+    REDIS_PROCESS_KW_CMD("PSETEX", redis_key_long_val_cmd, redis_boolean_response);
 }
 
 /* {{{ proto boolean Redis::setnx(string key, string value)

tests/RedisTest.php

@@ -456,6 +456,13 @@ public function testSetEx() {
         $this->assertTrue($this->redis->ttl('key') ===7);
         $this->assertTrue($this->redis->get('key') === 'val');
     }
+    
+    public function testPSetEx() {
+        $this->redis->del('key');
+        $this->assertTrue($this->redis->psetex('key', 7 * 1000, 'val') === TRUE);
+        $this->assertTrue($this->redis->ttl('key') ===7);
+        $this->assertTrue($this->redis->get('key') === 'val');
+    }
 
     public function testSetNX() {