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  1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://w...content-available-to-author-only...3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  2. <html xmlns="http://w...content-available-to-author-only...3.org/1999/xhtml">
  3. <head>
  4. <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  5.  
  6. <title>PhpFiddle Initial Code</title>
  7.  
  8. <script type="text/javascript">
  9. $(function (){
  10.  
  11. });
  12. </script>
  13.  
  14. <style type="text/css">
  15.  
  16. </style>
  17.  
  18. </head>
  19.  
  20. <body>
  21. 	<pre>
  22. <?php
  23.  
  24. function capturingSearchWithKeyword($filename, $keyword, $keepTrailing = true, $trim = false){
  25.     //$lines = file($filename); No file reading on ideone.  Gotta simulate.
  26.  
  27.     $lines = array("Off off world clock on on on world clock off\n"
  28.     	, "off world on\n"
  29. 		, "on on on on\n"
  30. 		, "on world clock off\n"
  31. 		, "off off\n"
  32. 		, "off clock world on"
  33. 	);
  34.     $keep = false;
  35.     $extractions = array();
  36.     $current = '';
  37.     foreach($lines as $line){
  38.         $parts = preg_split("/\\b$keyword\\b/i", $line);
  39.         $current .= $parts[0];
  40.         for ($i = 1; $i<count($parts); $i++){
  41.             if ($keep) {
  42.                 if ($trim) $current = trim($current);
  43.                 $extractions[] = $current;
  44.             }
  45.             $keep = !$keep;
  46.             $current = $parts[$i];
  47.         }
  48.     }
  49.     if ($keep && $keepTrailing)
  50.         $extractions[] = $current;
  51.     return $extractions;
  52. }
  53.     echo "World, default\n";
  54.     var_dump(capturingSearchWithKeyword('aa', 'world'));
  55.     echo "World, Keep Trailing\n";
  56.     var_dump(capturingSearchWithKeyword('aa', 'world', true));
  57.     echo "World, Keep Trailing, No trim\n";
  58.     var_dump(capturingSearchWithKeyword('aa', 'world', true, false));
  59.     echo "World, Keep Trailing, trim\n";
  60.     var_dump(capturingSearchWithKeyword('aa', 'world', true, true));
  61.     echo "World, Drop trailing\n";
  62.     var_dump(capturingSearchWithKeyword('aa', 'world', false));
  63.     echo "World, Drop trailing, no trim\n";
  64.     var_dump(capturingSearchWithKeyword('aa', 'world', false, false));
  65.     echo "World, Drop trailing, trim\n";
  66.     var_dump(capturingSearchWithKeyword('aa', 'world', false, true));
  67.     echo "Clock, default\n";
  68.     var_dump(capturingSearchWithKeyword('aa', 'Clock'));
  69.     echo "Clock, Keep Trailing\n";
  70.     var_dump(capturingSearchWithKeyword('aa', 'Clock', true));
  71.     echo "Clock, Keep Trailing, No trim\n";
  72.     var_dump(capturingSearchWithKeyword('aa', 'Clock', true, false));
  73.     echo "Clock, Keep Trailing, trim\n";
  74.     var_dump(capturingSearchWithKeyword('aa', 'Clock', true, true));
  75.     echo "Clock, Drop trailing\n";
  76.     var_dump(capturingSearchWithKeyword('aa', 'Clock', false));
  77.     echo "Clock, Drop trailing, no trim\n";
  78.     var_dump(capturingSearchWithKeyword('aa', 'Clock', false, false));
  79.     echo "Clock, Drop trailing, trim\n";
  80.     var_dump(capturingSearchWithKeyword('aa', 'Clock', false, true));
  81. ?>
  82. </pre>
  83. </body>
  84. </html>
  85.  
  86.  
Success #stdin #stdout 0.01s 20568KB
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stdout
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://w...content-available-to-author-only...3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://w...content-available-to-author-only...3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title>PhpFiddle Initial Code</title>

<script type="text/javascript">
$(function (){
    
});
</script>

<style type="text/css">
	
</style>

</head>

<body>
	<pre>
World, default
array(3) {
  [0]=>
  string(16) " clock on on on "
  [1]=>
  string(19) " on
on on on on
on "
  [2]=>
  string(3) " on"
}
World, Keep Trailing
array(3) {
  [0]=>
  string(16) " clock on on on "
  [1]=>
  string(19) " on
on on on on
on "
  [2]=>
  string(3) " on"
}
World, Keep Trailing, No trim
array(3) {
  [0]=>
  string(16) " clock on on on "
  [1]=>
  string(19) " on
on on on on
on "
  [2]=>
  string(3) " on"
}
World, Keep Trailing, trim
array(3) {
  [0]=>
  string(14) "clock on on on"
  [1]=>
  string(17) "on
on on on on
on"
  [2]=>
  string(3) " on"
}
World, Drop trailing
array(2) {
  [0]=>
  string(16) " clock on on on "
  [1]=>
  string(19) " on
on on on on
on "
}
World, Drop trailing, no trim
array(2) {
  [0]=>
  string(16) " clock on on on "
  [1]=>
  string(19) " on
on on on on
on "
}
World, Drop trailing, trim
array(2) {
  [0]=>
  string(14) "clock on on on"
  [1]=>
  string(17) "on
on on on on
on"
}
Clock, default
array(2) {
  [0]=>
  string(16) " on on on world "
  [1]=>
  string(17) " off
off off
off "
}
Clock, Keep Trailing
array(2) {
  [0]=>
  string(16) " on on on world "
  [1]=>
  string(17) " off
off off
off "
}
Clock, Keep Trailing, No trim
array(2) {
  [0]=>
  string(16) " on on on world "
  [1]=>
  string(17) " off
off off
off "
}
Clock, Keep Trailing, trim
array(2) {
  [0]=>
  string(14) "on on on world"
  [1]=>
  string(15) "off
off off
off"
}
Clock, Drop trailing
array(2) {
  [0]=>
  string(16) " on on on world "
  [1]=>
  string(17) " off
off off
off "
}
Clock, Drop trailing, no trim
array(2) {
  [0]=>
  string(16) " on on on world "
  [1]=>
  string(17) " off
off off
off "
}
Clock, Drop trailing, trim
array(2) {
  [0]=>
  string(14) "on on on world"
  [1]=>
  string(15) "off
off off
off"
}
</pre>
</body>
</html>
https://ideone.com/WfYX4w
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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