1 files changed, 79 insertions, 0 deletions
diff --git a/ext/standard/tests/array/array_reduce.phpt b/ext/standard/tests/array/array_reduce.phpt
new file mode 100644
index 0000000..94ecca6
--- /dev/null
+++ b/ext/standard/tests/array/array_reduce.phpt
@@ -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 ***
+string(23) "quuxfoofoobarquxquxquux"
+string(4) "quux"
+
+*** Testing array_reduce() to array ***
+array(4) {
+  ["foo"]=>
+  int(44)
+  ["bar"]=>
+  int(18)
+  ["qux"]=>
+  int(0)
+  ["quux"]=>
+  int(1)
+}
+array(4) {
+  ["foo"]=>
+  int(42)
+  ["bar"]=>
+  int(17)
+  ["qux"]=>
+  int(-2)
+  ["quux"]=>
+  int(0)
+}
+
+*** Testing array_reduce() to null ***
+string(19) "foofoobarquxquxquux"
+NULL
+
+Done