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diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -925,6 +925,8 @@
'mpull' => 'utils/utils.php',
'msort' => 'utils/utils.php',
'msortv' => 'utils/utils.php',
+ 'msortv_internal' => 'utils/utils.php',
+ 'msortv_natural' => 'utils/utils.php',
'newv' => 'utils/utils.php',
'nonempty' => 'utils/utils.php',
'phlog' => 'error/phlog.php',
@@ -979,6 +981,7 @@
'phutil_loggable_string' => 'utils/utils.php',
'phutil_microseconds_since' => 'utils/utils.php',
'phutil_parse_bytes' => 'utils/viewutils.php',
+ 'phutil_partition' => 'utils/utils.php',
'phutil_passthru' => 'future/exec/execx.php',
'phutil_person' => 'internationalization/pht.php',
'phutil_register_library' => 'init/lib/core.php',
diff --git a/src/utils/__tests__/PhutilUtilsTestCase.php b/src/utils/__tests__/PhutilUtilsTestCase.php
--- a/src/utils/__tests__/PhutilUtilsTestCase.php
+++ b/src/utils/__tests__/PhutilUtilsTestCase.php
@@ -966,4 +966,38 @@
}
}
+ public function testArrayPartition() {
+ $map = array(
+ 'empty' => array(
+ array(),
+ array(),
+ ),
+ 'unique' => array(
+ array('a' => 'a', 'b' => 'b', 'c' => 'c'),
+ array(array('a' => 'a'), array('b' => 'b'), array('c' => 'c')),
+ ),
+ 'xy' => array(
+ array('a' => 'x', 'b' => 'x', 'c' => 'y', 'd' => 'y'),
+ array(
+ array('a' => 'x', 'b' => 'x'),
+ array('c' => 'y', 'd' => 'y'),
+ ),
+ ),
+ 'multi' => array(
+ array('a' => true, 'b' => true, 'c' => false, 'd' => true),
+ array(
+ array('a' => true, 'b' => true),
+ array('c' => false),
+ array('d' => true),
+ ),
+ ),
+ );
+
+ foreach ($map as $name => $item) {
+ list($input, $expect) = $item;
+ $actual = phutil_partition($input);
+ $this->assertEqual($expect, $actual, pht('Partition of "%s"', $name));
+ }
+ }
+
}
diff --git a/src/utils/utils.php b/src/utils/utils.php
--- a/src/utils/utils.php
+++ b/src/utils/utils.php
@@ -433,6 +433,14 @@
* @return list Objects ordered by the vectors.
*/
function msortv(array $list, $method) {
+ return msortv_internal($list, $method, SORT_STRING);
+}
+
+function msortv_natural(array $list, $method) {
+ return msortv_internal($list, $method, SORT_NATURAL | SORT_FLAG_CASE);
+}
+
+function msortv_internal(array $list, $method, $flags) {
$surrogate = mpull($list, $method);
$index = 0;
@@ -455,7 +463,7 @@
$surrogate[$key] = (string)$value;
}
- asort($surrogate, SORT_STRING);
+ asort($surrogate, $flags);
$result = array();
foreach ($surrogate as $key => $value) {
@@ -1966,3 +1974,32 @@
return array_select_keys($tmp, $keys);
}
+
+function phutil_partition(array $map) {
+ $partitions = array();
+
+ $partition = array();
+ $is_first = true;
+ $partition_value = null;
+
+ foreach ($map as $key => $value) {
+ if (!$is_first) {
+ if ($partition_value === $value) {
+ $partition[$key] = $value;
+ continue;
+ }
+
+ $partitions[] = $partition;
+ }
+
+ $is_first = false;
+ $partition = array($key => $value);
+ $partition_value = $value;
+ }
+
+ if ($partition) {
+ $partitions[] = $partition;
+ }
+
+ return $partitions;
+}

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