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Task #97553

closed

Introduce string fragment extraction

Added by Oliver Hader over 2 years ago. Updated almost 2 years ago.

Status:
Closed
Priority:
Should have
Assignee:
-
Category:
-
Target version:
-
Start date:
2022-05-05
Due date:
% Done:

100%

Estimated time:
TYPO3 Version:
10
PHP Version:
Tags:
Complexity:
Sprint Focus:

Description

When working with variable interpolation and similar scenarios, in most cases variables, constants, expressions, ... are embedded in a solid string and can only be identified and extracted by the corresponding "reader" or "parser".

This string fragment splitter aims to introduce a simpler way for extracting and working with these embedded fragments.

$pattern = new StringFragmentPattern(
  StringFragmentSplitter::TYPE_EXPRESSION,
  '%[^%]+%'
);
$splitter = new StringFragmentSplitter($pattern);
$collection = $splitter->split(
  'Hello %variable% World!'
  FLAG_UNMATCHED_AS_NULL | FLAG_CATCH_SPACES
);
// results in having
// + StringFragment(type: 'raw', value: 'Hello')
// + StringFragment(type: 'expression', value: ' %variable% ')
// + StringFragment(type: 'raw', value: 'World!')
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