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MDL-31789: Allowing context object to be passed to JS using json_encode()

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Classes with magic properties such as context do not pass through json_encode().
The solution is to implement iterator in such classes and convert what we
feed to json_encode to array using 'foreach' before we pass it to json_encode():
- class context implements IteratorAggregate
- added function convert_to_array() that converts anything to array
- before calling json_encode we convert the argument to array
This commit is contained in:
Marina Glancy
2012-03-30 08:27:53 +08:00
parent a280078197
commit b2cb00c2e9
4 changed files with 58 additions and 5 deletions
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lib/outputcomponents.php
+3 -3
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@@ -1704,7 +1704,7 @@ class js_writer {
*/
public static function function_call($function, array $arguments = null, $delay=0) {
if ($arguments) {
$arguments = array_map('json_encode', $arguments);
$arguments = array_map('json_encode', convert_to_array($arguments));
$arguments = implode(', ', $arguments);
} else {
$arguments = '';
@@ -1727,7 +1727,7 @@ class js_writer {
*/
public static function function_call_with_Y($function, array $extraarguments = null) {
if ($extraarguments) {
$extraarguments = array_map('json_encode', $extraarguments);
$extraarguments = array_map('json_encode', convert_to_array($extraarguments));
$arguments = 'Y, ' . implode(', ', $extraarguments);
} else {
$arguments = 'Y';
@@ -1747,7 +1747,7 @@ class js_writer {
*/
public static function object_init($var, $class, array $arguments = null, array $requirements = null, $delay=0) {
if (is_array($arguments)) {
$arguments = array_map('json_encode', $arguments);
$arguments = array_map('json_encode', convert_to_array($arguments));
$arguments = implode(', ', $arguments);
}