From c41d2535b1b4162de59f62bc52a74f7448ba0933 Mon Sep 17 00:00:00 2001 From: Dmitry Stogov Date: Tue, 18 Jul 2017 20:41:01 +0300 Subject: [PATCH] Disabled compile-time constant DOUBLE to STRING evaluation (its result depends on run-time 'precision' setting) --- ext/opcache/Optimizer/zend_optimizer.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/ext/opcache/Optimizer/zend_optimizer.c b/ext/opcache/Optimizer/zend_optimizer.c index afd1c15597..4b56809fda 100644 --- a/ext/opcache/Optimizer/zend_optimizer.c +++ b/ext/opcache/Optimizer/zend_optimizer.c @@ -163,7 +163,9 @@ int zend_optimizer_eval_cast(zval *result, uint32_t type, zval *op1) /* {{{ */ ZVAL_DOUBLE(result, zval_get_double(op1)); return SUCCESS; case IS_STRING: - if (Z_TYPE_P(op1) != IS_ARRAY) { + /* Conversion from double to string takes into account run-time + 'precision' setting and cannot be evaluated at compile-time */ + if (Z_TYPE_P(op1) != IS_ARRAY && Z_TYPE_P(op1) != IS_DOUBLE) { ZVAL_STR(result, zval_get_string(op1)); return SUCCESS; } -- 2.40.0