Remove warning upon division by zero

Zend/tests/bug69957.phpt

@@ -61,21 +61,16 @@ try {
 
 ?>
 --EXPECTF--
-Warning: Division by zero in %sbug69957.php on line %d
 float(INF)
 
 Variable mod
 Type: Exception
 Message: Division by zero
-
-Warning: Division by zero in %sbug69957.php on line %d
 float(INF)
 
 Literal mod
 Type: Exception
 Message: Division by zero
-
-Warning: Division by zero in %sbug69957.php on line %d
 float(INF)
 
 Double mod

Zend/zend_operators.c

@@ -1103,40 +1103,24 @@ ZEND_API int ZEND_FASTCALL div_function(zval *result, zval *op1, zval *op2) /* {
 	while (1) {
 		switch (TYPE_PAIR(Z_TYPE_P(op1), Z_TYPE_P(op2))) {
 			case TYPE_PAIR(IS_LONG, IS_LONG):
-				if (Z_LVAL_P(op2) == 0) {
-					zend_error(E_WARNING, "Division by zero");
-					ZVAL_DOUBLE(result, ((double) Z_LVAL_P(op1) / (double) Z_LVAL_P(op2)));
-					return SUCCESS;
-				} else if (Z_LVAL_P(op2) == -1 && Z_LVAL_P(op1) == ZEND_LONG_MIN) {
-					/* Prevent overflow error/crash */
-					ZVAL_DOUBLE(result, (double) ZEND_LONG_MIN / -1);
+				/* prevent crashes (arithmetic exception) */
+				if (UNEXPECTED(Z_LVAL_P(op2) == 0 || (Z_LVAL_P(op2) == -1 && Z_LVAL_P(op1) == ZEND_LONG_MIN) || Z_LVAL_P(op1) % Z_LVAL_P(op2) != 0)) {
+					ZVAL_DOUBLE(result, ((double) Z_LVAL_P(op1)) / Z_LVAL_P(op2));
 					return SUCCESS;
-				}
-				if (Z_LVAL_P(op1) % Z_LVAL_P(op2) == 0) { /* integer */
-					ZVAL_LONG(result, Z_LVAL_P(op1) / Z_LVAL_P(op2));
 				} else {
-					ZVAL_DOUBLE(result, ((double) Z_LVAL_P(op1)) / Z_LVAL_P(op2));
+					ZVAL_LONG(result, Z_LVAL_P(op1) / Z_LVAL_P(op2));
 				}
 				return SUCCESS;
 
 			case TYPE_PAIR(IS_DOUBLE, IS_LONG):
-				if (Z_LVAL_P(op2) == 0) {
-					zend_error(E_WARNING, "Division by zero");
-				}
 				ZVAL_DOUBLE(result, Z_DVAL_P(op1) / (double)Z_LVAL_P(op2));
 				return SUCCESS;
 
 			case TYPE_PAIR(IS_LONG, IS_DOUBLE):
-				if (Z_DVAL_P(op2) == 0) {
-					zend_error(E_WARNING, "Division by zero");
-				}
 				ZVAL_DOUBLE(result, (double)Z_LVAL_P(op1) / Z_DVAL_P(op2));
 				return SUCCESS;
 
 			case TYPE_PAIR(IS_DOUBLE, IS_DOUBLE):
-				if (Z_DVAL_P(op2) == 0) {
-					zend_error(E_WARNING, "Division by zero");
-				}
 				ZVAL_DOUBLE(result, Z_DVAL_P(op1) / Z_DVAL_P(op2));
 				return SUCCESS;
 

tests/run-test/test005.phpt

@@ -19,8 +19,7 @@ var_dump(ini_get('track_errors'));
 ini_set('display_errors', 0);
 var_dump(ini_get('display_errors'));
 var_dump($php_errormsg);
-$zero = 0;
-$error = 1 / $zero;
+ini_set("zend.assertions", -1);
 var_dump($php_errormsg);
 ?>
 --EXPECTF--
@@ -30,4 +29,4 @@ string(1) "0"
 string(1) "1"
 string(1) "0"
 NULL
-string(%d) "%sivision by zer%s"
+string(%d) "%senabled or disabled%s"

tests/run-test/test006.phpt

@@ -3,7 +3,7 @@ Error messages are shown
 --FILE--
 <?php
 // If this test fails ask the developers of run-test.php
-$error = 1 / 0;
+ini_set("zend.assertions", -1);
 ?>
 --EXPECTREGEX--
-.*Division by zero.*
+.*enabled or disabled.*

tests/run-test/test008a.phpt

@@ -19,8 +19,7 @@ var_dump(ini_get('track_errors'));
 ini_set('display_errors', 0);
 var_dump(ini_get('display_errors'));
 var_dump($php_errormsg);
-$zero = 0;
-$error = 1 / $zero;
+ini_set('zend.assertions', -1);
 var_dump($php_errormsg);
 ?>
 --EXPECTF--
@@ -30,4 +29,4 @@ string(1) "0"
 string(1) "1"
 string(1) "0"
 NULL
-string(%d) "%sivision by zer%s"
+string(%d) "%senabled or disabled%s"