Store default parameter values of internal functions in arg info

Closes GH-5353. From now on, PHP will have reflection information
about default values of parameters of internal functions.

Co-authored-by: Nikita Popov <nikita.ppv@gmail.com>

3 files changed, 26 insertions, 26 deletions

diff --git a/sapi/cli/tests/004.phpt b/sapi/cli/tests/004.phpt
index f00f7b4fd9..fb0ae99ddc 100644
--- a/sapi/cli/tests/004.phpt
+++ b/sapi/cli/tests/004.phpt
@@ -20,10 +20,10 @@ string(45) "Exception: Function unknown() does not exist
 "
 string(42) "Exception: Function echo() does not exist
 "
-string(143) "Function [ <internal:standard> function phpinfo ] {
+string(154) "Function [ <internal:standard> function phpinfo ] {
 
   - Parameters [1] {
-    Parameter #0 [ <optional> int $what ]
+    Parameter #0 [ <optional> int $what = INFO_ALL ]
   }
   - Return [ bool ]
 }
diff --git a/sapi/cli/tests/005.phpt b/sapi/cli/tests/005.phpt
index e8faa79f0d..51b957dd7b 100644
--- a/sapi/cli/tests/005.phpt
+++ b/sapi/cli/tests/005.phpt
@@ -37,7 +37,7 @@ string(183) "Class [ <internal:Core> class stdClass ] {
 }
 
 "
-string(1980) "Class [ <internal:Core> class Exception implements Throwable, Stringable ] {
+string(2003) "Class [ <internal:Core> class Exception implements Throwable, Stringable ] {
 
   - Constants [0] {
   }
@@ -68,9 +68,9 @@ string(1980) "Class [ <internal:Core> class Exception implements Throwable, Stri
     Method [ <internal:Core, ctor> public method __construct ] {
 
       - Parameters [3] {
-        Parameter #0 [ <optional> string $message ]
-        Parameter #1 [ <optional> int $code ]
-        Parameter #2 [ <optional> ?Throwable $previous ]
+        Parameter #0 [ <optional> string $message = <default> ]
+        Parameter #1 [ <optional> int $code = 0 ]
+        Parameter #2 [ <optional> ?Throwable $previous = null ]
       }
     }
 
diff --git a/sapi/cli/tests/006.phpt b/sapi/cli/tests/006.phpt
index 84ad68c405..e35f66dc68 100644
--- a/sapi/cli/tests/006.phpt
+++ b/sapi/cli/tests/006.phpt
@@ -70,9 +70,9 @@ string(%d) "Extension [ <persistent> extension #%d pcre version %s ] {
       - Parameters [5] {
         Parameter #0 [ <required> string $pattern ]
         Parameter #1 [ <required> string $subject ]
-        Parameter #2 [ <optional> &$subpatterns ]
-        Parameter #3 [ <optional> int $flags ]
-        Parameter #4 [ <optional> int $offset ]
+        Parameter #2 [ <optional> &$subpatterns = null ]
+        Parameter #3 [ <optional> int $flags = 0 ]
+        Parameter #4 [ <optional> int $offset = 0 ]
       }
       - Return [ int|false ]
     }
@@ -81,9 +81,9 @@ string(%d) "Extension [ <persistent> extension #%d pcre version %s ] {
       - Parameters [5] {
         Parameter #0 [ <required> string $pattern ]
         Parameter #1 [ <required> string $subject ]
-        Parameter #2 [ <optional> &$subpatterns ]
-        Parameter #3 [ <optional> int $flags ]
-        Parameter #4 [ <optional> int $offset ]
+        Parameter #2 [ <optional> &$subpatterns = null ]
+        Parameter #3 [ <optional> int $flags = 0 ]
+        Parameter #4 [ <optional> int $offset = 0 ]
       }
       - Return [ int|false|null ]
     }
@@ -93,8 +93,8 @@ string(%d) "Extension [ <persistent> extension #%d pcre version %s ] {
         Parameter #0 [ <required> $regex ]
         Parameter #1 [ <required> $replace ]
         Parameter #2 [ <required> $subject ]
-        Parameter #3 [ <optional> int $limit ]
-        Parameter #4 [ <optional> &$count ]
+        Parameter #3 [ <optional> int $limit = -1 ]
+        Parameter #4 [ <optional> &$count = null ]
       }
       - Return [ array|string|null ]
     }
@@ -104,8 +104,8 @@ string(%d) "Extension [ <persistent> extension #%d pcre version %s ] {
         Parameter #0 [ <required> $regex ]
         Parameter #1 [ <required> $replace ]
         Parameter #2 [ <required> $subject ]
-        Parameter #3 [ <optional> int $limit ]
-        Parameter #4 [ <optional> &$count ]
+        Parameter #3 [ <optional> int $limit = -1 ]
+        Parameter #4 [ <optional> &$count = null ]
       }
       - Return [ array|string|null ]
     }
@@ -115,9 +115,9 @@ string(%d) "Extension [ <persistent> extension #%d pcre version %s ] {
         Parameter #0 [ <required> $regex ]
         Parameter #1 [ <required> $callback ]
         Parameter #2 [ <required> $subject ]
-        Parameter #3 [ <optional> int $limit ]
-        Parameter #4 [ <optional> &$count ]
-        Parameter #5 [ <optional> int $flags ]
+        Parameter #3 [ <optional> int $limit = -1 ]
+        Parameter #4 [ <optional> &$count = null ]
+        Parameter #5 [ <optional> int $flags = 0 ]
       }
       - Return [ array|string|null ]
     }
@@ -126,9 +126,9 @@ string(%d) "Extension [ <persistent> extension #%d pcre version %s ] {
       - Parameters [5] {
         Parameter #0 [ <required> array $pattern ]
         Parameter #1 [ <required> $subject ]
-        Parameter #2 [ <optional> int $limit ]
-        Parameter #3 [ <optional> &$count ]
-        Parameter #4 [ <optional> int $flags ]
+        Parameter #2 [ <optional> int $limit = -1 ]
+        Parameter #3 [ <optional> &$count = null ]
+        Parameter #4 [ <optional> int $flags = 0 ]
       }
       - Return [ array|string|null ]
     }
@@ -137,8 +137,8 @@ string(%d) "Extension [ <persistent> extension #%d pcre version %s ] {
       - Parameters [4] {
         Parameter #0 [ <required> string $pattern ]
         Parameter #1 [ <required> string $subject ]
-        Parameter #2 [ <optional> int $limit ]
-        Parameter #3 [ <optional> int $flags ]
+        Parameter #2 [ <optional> int $limit = -1 ]
+        Parameter #3 [ <optional> int $flags = 0 ]
       }
       - Return [ array|false ]
     }
@@ -146,7 +146,7 @@ string(%d) "Extension [ <persistent> extension #%d pcre version %s ] {
 
       - Parameters [2] {
         Parameter #0 [ <required> string $str ]
-        Parameter #1 [ <optional> ?string $delim_char ]
+        Parameter #1 [ <optional> ?string $delim_char = null ]
       }
       - Return [ string ]
     }
@@ -155,7 +155,7 @@ string(%d) "Extension [ <persistent> extension #%d pcre version %s ] {
       - Parameters [3] {
         Parameter #0 [ <required> string $regex ]
         Parameter #1 [ <required> array $input ]
-        Parameter #2 [ <optional> int $flags ]
+        Parameter #2 [ <optional> int $flags = 0 ]
       }
       - Return [ array|false ]
     }