diff options
| author | Lorry Tar Creator <lorry-tar-importer@baserock.org> | 2013-03-14 05:42:27 +0000 |
|---|---|---|
| committer | <> | 2013-04-03 16:25:08 +0000 |
| commit | c4dd7a1a684490673e25aaf4fabec5df138854c4 (patch) | |
| tree | 4d57c44caae4480efff02b90b9be86f44bf25409 /tests/lang/foreachLoop.009.phpt | |
| download | php2-master.tar.gz | |
Imported from /home/lorry/working-area/delta_php2/php-5.4.13.tar.bz2.HEADphp-5.4.13master
Diffstat (limited to 'tests/lang/foreachLoop.009.phpt')
| -rw-r--r-- | tests/lang/foreachLoop.009.phpt | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/tests/lang/foreachLoop.009.phpt b/tests/lang/foreachLoop.009.phpt new file mode 100644 index 0000000..4586a35 --- /dev/null +++ b/tests/lang/foreachLoop.009.phpt @@ -0,0 +1,82 @@ +--TEST--
+Foreach loop tests - foreach operates on the original array if the array is referenced outside the loop.
+--FILE--
+<?php
+// From php.net/foreach:
+// "Unless the array is referenced, foreach operates on a copy of the specified array."
+
+echo "\nRemove elements from a referenced array during loop\n";
+$refedArray=array("original.0", "original.1", "original.2");
+$ref=&$refedArray;
+foreach ($refedArray as $k=>$v1) {
+ array_pop($refedArray);
+ echo "key: $k; value: $v1\n";
+}
+
+echo "\nRemove elements from a referenced array during loop, using &\$value\n";
+$refedArray=array("original.0", "original.1", "original.2");
+$ref=&$refedArray;
+foreach ($refedArray as $k=>&$v2) {
+ array_pop($refedArray);
+ echo "key: $k; value: $v2\n";
+}
+
+echo "\nAdd elements to a referenced array during loop\n";
+$refedArray=array("original.0", "original.1", "original.2");
+$ref=&$refedArray;
+$count=0;
+foreach ($refedArray as $k=>$v3) {
+ array_push($refedArray, "new.$k");
+ echo "key: $k; value: $v3\n";
+
+ if ($count++>5) {
+ echo "Loop detected, as expected.\n";
+ break;
+ }
+}
+
+echo "\nAdd elements to a referenced array during loop, using &\$value\n";
+$refedArray=array("original.0", "original.1", "original.2");
+$ref=&$refedArray;
+$count=0;
+foreach ($refedArray as $k=>&$v4) {
+ array_push($refedArray, "new.$k");
+ echo "key: $k; value: $v4\n";
+
+ if ($count++>5) {
+ echo "Loop detected, as expected.\n";
+ break;
+ }
+}
+
+?>
+--EXPECT--
+
+Remove elements from a referenced array during loop
+key: 0; value: original.0
+key: 1; value: original.1
+
+Remove elements from a referenced array during loop, using &$value
+key: 0; value: original.0
+key: 1; value: original.1
+
+Add elements to a referenced array during loop
+key: 0; value: original.0
+key: 1; value: original.1
+key: 2; value: original.2
+key: 3; value: new.0
+key: 4; value: new.1
+key: 5; value: new.2
+key: 6; value: new.3
+Loop detected, as expected.
+
+Add elements to a referenced array during loop, using &$value
+key: 0; value: original.0
+key: 1; value: original.1
+key: 2; value: original.2
+key: 3; value: new.0
+key: 4; value: new.1
+key: 5; value: new.2
+key: 6; value: new.3
+Loop detected, as expected.
+
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