LogicOp: Fix assert() trying to eval its parameter

Apparently I managed to turn off assertions in my dev setup m(. Passing in
a string (which happens in the expected path here) tries to evaluate it,
which then fails. We fix this by asserting an isset() instead.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/Search/LogicOp.php b/src/Search/LogicOp.php
index 85fb8fa..19d85f3 100644
--- a/src/Search/LogicOp.php
+++ b/src/Search/LogicOp.php
@@ -62,8 +62,8 @@ class LogicOp implements SearchExpr
 
         $a = $this->a->toSQL("a_$bindPrefix", $singleFTS);
         $b = $this->b->toSQL("b_$bindPrefix", $singleFTS);
+        assert(isset(self::SQLOPS[$this->op]));
         $sqlop = self::SQLOPS[$this->op];
-        assert($sqlop);
 
         $sqlex->sql = "(({$a->sql}) {$sqlop} ({$b->sql}))";
         $sqlex->bindings = array_merge($a->bindings, $b->bindings);