dd / evolutioncms-snippets-ddstash
Save data as JSON or QueryString, then extend if needed and use it later without database queries.
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Type:modxevo-snippet
Requires
- php: >=5.6.0
- dd/evolutioncms-libraries-ddtools: >=0.49.1
This package is auto-updated.
Last update: 2024-11-06 09:42:21 UTC
README
Save data as JSON or Query string, then extend if needed and use it later without database queries.
Requires
- PHP >= 5.6
- (MODX)EvolutionCMS >= 1.1
- (MODX)EvolutionCMS.libraries.ddTools >= 0.49.1
Documentation
Installation
Manually
1. Elements → Snippets: Create a new snippet with the following data
- Snippet name:
ddStash
. - Description:
<b>1.3</b> Save data as JSON or QueryString, then extend if needed and use it later without database queries.
. - Category:
Core
. - Parse DocBlock:
no
. - Snippet code (php): Insert content of the
ddStash_snippet.php
file from the archive.
2. Elements → Manage Files
- Create a new folder
assets/snippets/ddStash/
. - Extract the archive to the folder (except
ddStash_snippet.php
).
Using (MODX)EvolutionCMS.libraries.ddInstaller
Just run the following PHP code in your sources or Console:
//Include (MODX)EvolutionCMS.libraries.ddInstaller require_once( $modx->getConfig('base_path') . 'assets/libs/ddInstaller/require.php' ); //Install (MODX)EvolutionCMS.snippets.ddStash \DDInstaller::install([ 'url' => 'https://github.com/DivanDesign/EvolutionCMS.snippets.ddStash', 'type' => 'snippet' ]);
- If
ddStash
is not exist on your site,ddInstaller
will just install it. - If
ddStash
is already exist on your site,ddInstaller
will check it version and update it if needed.
Parameters description
-
save
- Desctription: Data to save in stash. Nested objects are supported too, see examples below.
- Valid values:
stringJsonObject
— as JSONstringHjsonObject
— as HJSONstringQueryFormated
— as Query string- It can also be set as a native PHP object or array (e. g. for calls through
$modx->runSnippet
):arrayAssociative
object
- Default value: —
-
save_extendExisting
- Desctription: Extend an existing object instead of overwriting it.
- Valid values:
0
1
- Default value:
0
-
save_extendExistingWithEmpty
- Desctription: Overwrite fields with empty values (see examples below).
The following values are considered to be empty:""
— an empty string[]
— an empty array{}
— an empty objectnull
- Valid values:
0
1
- Default value:
1
- Desctription: Overwrite fields with empty values (see examples below).
-
get
- Desctription: Data key for getting from stash.
- Valid values:
string
- Default value: —
-
get_tpl
-
Desctription: Output template.
Available placeholders:
[+snippetResult+]
— data from stash
-
Valid values:
stringChunkName
string
— use inline templates starting with@CODE:
-
Default value:
'@CODE:[+snippetResult+]'
-
-
storage
- Desctription: Data storage.
- Valid values:
'post'
—$_POST
'session'
—$_SESSION
- Default value:
'post'
Examples
Save some data
[[ddStash?
&save=`{
"userData": {
"firstName": "John",
"lastName": "[[ddGetDocumentField?
&docId=`1`
&docField=`lastName`
]]",
"children": [
{
"firstName": "Alice"
},
{
"firstName": "Robert"
}
]
},
"someData": "someValue"
}`
]]
Get saved data
You can get field value in any depth
[[ddStash? &get=`someData`]]
Returns someValue
.
[[ddStash? &get=`userData.firstName`]]
Returns John
.
[[ddStash? &get=`userData.children.0.firstName`]]
Returns Alice
.
Also you can get objects in JSON
If field value is object or array, it will be returned in JSON format.
Get first John child
[[ddStash? &get=`userData.children.0`]]
Returns:
{ "firstName": "Alice" }
Get all John children:
[[ddStash? &get=`userData.children`]]
Returns:
[ { "firstName": "Alice" }, { "firstName": "Robert" } ]
Get all data about John
[[ddStash? &get=`userData`]]
Returns:
{ "firstName": "John", "lastName": "Doe", "children": [ { "firstName": "Alice" }, { "firstName": "Robert" } ] }
Save: Extend an existing object instead of overwriting it (&save_extendExisting=`1`
)
First you save some object:
[[ddStash?
&save=`{
"userData": {
"firstName": "Chuck",
"lastName": "Doe",
"children": [
{
"firstName": "Alice"
},
{
"firstName": "Robert"
}
]
}
}`
]]
Then if you just save object with the same key (userData
):
[[ddStash?
&save=`{
"userData": {
"middleName": "Ray",
"lastName": "Norris"
}
}`
]]
The snippet will overwrite previous saved object completely:
[[ddStash? &get=`userData`]]
Returns:
{ "middleName": "Ray", "lastName": "Norris" }
So, if you want to extend the first object just use the save_extendExisting
parameter:
[[ddStash?
&save=`{
"userData": {
"middleName": "Ray",
"lastName": "Norris"
}
}`
&save_extendExisting=`1`
]]
In this case the snippet will recursive extend the first object with the data from the second:
[[ddStash? &get=`userData`]]
Returns:
{ "firstName": "Chuck", "middleName": "Ray", "lastName": "Norris", "children": [ { "firstName": "Alice" }, { "firstName": "Robert" } ] }
Save: Extend without overwriting fields with empty values (&save_extendExistingWithEmpty=`0`
)
By default, empty field values (e. g. ''
) are treated as other values and will replace non-empty ones.
[[ddStash?
&save=`{
"userData": {
"firstName": "John",
"lastName": "Tesla",
"discipline": "Electrical engineering"
}
}`
]]
[[ddStash?
&save=`{
"userData": {
"firstName": "Nikola",
"lastName": ""
}
}`
&save_extendExisting=`1`
]]
Returns:
{ "firstName": "Nikola", "lastName": "", "discipline": "Electrical engineering" }
Empty lastName
from the second object replaced non-empty lastName
from the first.
If you want to ignore empty values, just use save_extendExistingWithEmpty
== 0
:
[[ddStash? &save=`{ "userData": { "firstName": "John", "lastName": "Tesla", "discipline": "Electrical engineering" } }` ]] [[ddStash? &save=`{ "userData": { "firstName": "Nikola", "lastName": "" } }` &save_extendExisting=`1` &save_extendExistingWithEmpty=`0` ]]
Returns:
{ "firstName": "Nikola", "lastName": "Tesla", "discipline": "Electrical engineering" }
Run the snippet through \DDTools\Snippet::runSnippet
without DB and eval
//Include (MODX)EvolutionCMS.libraries.ddTools require_once( $modx->getConfig('base_path') . 'assets/libs/ddTools/modx.ddtools.class.php' ); //Run (MODX)EvolutionCMS.snippets.ddStash \DDTools\Snippet::runSnippet([ 'name' => 'ddStash', 'params' => [ 'get' => 'userData.firstName' ] ]);