From:	Christian Schneider	Date:	Sat Aug 16 07:56:27 2008
Subject:	Re: Allow mixed $initial in array_reduce

Am 10.04.2008 um 14:02 schrieb Marcus Boerger:
>  looks good to me. Sidenote: If you cvs add the new test and then do  
> cvs
> di -N, then you get the new files and the stuff you changed in one  
> diff.
> If you do not have access then a) you need to do the cvs add step
> manually by editing the CVS/Entries file and putting in a dummy line  
> for
> each new file. And b) you need to find someone to commit this patch  
> to head
> first then 5.3.


I attached a single patch including the changes to array_reduce and a  
test for HEAD, anyone willing to commit it?
And is there any chance of including this in PHP 5.3 at this stage?

- Chris


? ext/standard/tests/x
Index: ext/standard/array.c
===================================================================
RCS file: /repository/php-src/ext/standard/array.c,v
retrieving revision 1.460
diff -u -r1.460 array.c
--- ext/standard/array.c	10 Aug 2008 17:49:29 -0000	1.460
+++ ext/standard/array.c	16 Aug 2008 13:52:29 -0000
@@ -4354,7 +4354,7 @@
 }
 /* }}} */
 
-/* {{{ proto mixed array_reduce(array input, mixed callback [, int initial]) U
+/* {{{ proto mixed array_reduce(array input, mixed callback [, mixed initial]) U
    Iteratively reduce the array to a single value via the callback. */
 PHP_FUNCTION(array_reduce)
 {
@@ -4365,18 +4365,19 @@
 	zval *retval;
 	zend_fcall_info fci;
 	zend_fcall_info_cache fci_cache = empty_fcall_info_cache;
-	long initial;
+	zval *initial;
 	HashPosition pos;
 	HashTable *htbl;
 
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "af|l", &input, &fci, &fci_cache, &initial) == FAILURE) {
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "af|z", &input, &fci, &fci_cache, &initial) == FAILURE) {
 		return;
 	}
 
 	if (ZEND_NUM_ARGS() > 2) {
 		ALLOC_ZVAL(result);
+		*result = *initial;
+		zval_copy_ctor(result);
 		INIT_PZVAL(result);
-		ZVAL_LONG(result, initial);
 	} else {
 		MAKE_STD_ZVAL(result);
 		ZVAL_NULL(result);
Index: ext/standard/tests/array/array_reduce.phpt
===================================================================
RCS file: ext/standard/tests/array/array_reduce.phpt
diff -N ext/standard/tests/array/array_reduce.phpt
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ ext/standard/tests/array/array_reduce.phpt	16 Aug 2008 13:52:29 -0000
@@ -0,0 +1,79 @@
+--TEST--
+Test array_reduce() function
+--INI--
+precision=14
+--FILE--
+<?php
+/* Prototype: array array_reduce(array $array, mixed $callback, mixed $initial);
+   Description: Iteratively reduce the array to a single value via the callback
+*/
+
+$array = array('foo', 'foo', 'bar', 'qux', 'qux', 'quux');
+
+echo "\n*** Testing array_reduce() to integer ***\n";
+function reduce_int($w, $v) { return $w + strlen($v); }
+$initial = 42;
+var_dump(array_reduce($array, 'reduce_int', $initial), $initial);
+
+echo "\n*** Testing array_reduce() to float ***\n";
+function reduce_float($w, $v) { return $w + strlen($v) / 10; }
+$initial = 4.2;
+var_dump(array_reduce($array, 'reduce_float', $initial), $initial);
+
+echo "\n*** Testing array_reduce() to string ***\n";
+function reduce_string($w, $v) { return $w . $v; }
+$initial = 'quux';
+var_dump(array_reduce($array, 'reduce_string', $initial), $initial);
+
+echo "\n*** Testing array_reduce() to array ***\n";
+function reduce_array($w, $v) { $w[$v]++; return $w; }
+$initial = array('foo' => 42, 'bar' => 17, 'qux' => -2, 'quux' => 0);
+var_dump(array_reduce($array, 'reduce_array', $initial), $initial);
+
+echo "\n*** Testing array_reduce() to null ***\n";
+function reduce_null($w, $v) { return $w . $v; }
+$initial = null;
+var_dump(array_reduce($array, 'reduce_null', $initial), $initial);
+
+echo "\nDone";
+?> 
+--EXPECTF--
+*** Testing array_reduce() to integer ***
+int(61)
+int(42)
+
+*** Testing array_reduce() to float ***
+float(6.1)
+float(4.2)
+
+*** Testing array_reduce() to string ***
+unicode(23) "quuxfoofoobarquxquxquux"
+unicode(4) "quux"
+
+*** Testing array_reduce() to array ***
+array(4) {
+  [u"foo"]=>
+  int(44)
+  [u"bar"]=>
+  int(18)
+  [u"qux"]=>
+  int(0)
+  [u"quux"]=>
+  int(1)
+}
+array(4) {
+  [u"foo"]=>
+  int(42)
+  [u"bar"]=>
+  int(17)
+  [u"qux"]=>
+  int(-2)
+  [u"quux"]=>
+  int(0)
+}
+
+*** Testing array_reduce() to null ***
+unicode(19) "foofoobarquxquxquux"
+NULL
+
+Done