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run code in 300+ PHP versions simultaneously
<?php $fileContents = <<<TEXT #################### Section One #################### Data A Data B #################### Section Two #################### Data C Data D Data E #################### Section Three #################### Data F TEXT; preg_match_all( '~(?: ^\#{3,}\R \h*(\S+(?:\h\S+)*)\h*\R \#{3,} | \G(?!\A) ) \R (?!\#{3,})(.+) ~mx', $fileContents, $out, PREG_SET_ORDER ); foreach ($out as $set) { $heading = $set[1] ?: $heading; $result[$heading][] = $set[2]; } var_export($result ?? 'No qualifying data');
Output for git.master, git.master_jit, rfc.property-hooks
array ( 'Section One' => array ( 0 => 'Data A', 1 => 'Data B', ), 'Section Two' => array ( 0 => 'Data C', 1 => 'Data D', 2 => 'Data E', ), 'Section Three' => array ( 0 => 'Data F', ), )

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