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  1. <?php
  2.  
  3. $string = "[text1][123] [text2][456][type]";
  4. $s = preg_replace_callback("/\[([^]]+)(]*)]\[([0-9]+)](?:\[([^]]+)])?/", function($m) {
  5. 	return !empty($m[4]) ? "<a href='" . $m[3] . "' type='" . $m[4] . "'>" . $m[1] . $m[2] . "</a>" : 
  6. 		"<a href='" . $m[3] . "'>" . $m[1] . $m[2] . "</a>";
  7. 	}, $string);
  8. echo $s;
Success #stdin #stdout 0.02s 82944KB
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stdin
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Standard input is empty
stdout
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<a href='123'>text1</a> <a href='456' type='type'>text2</a>
https://ideone.com/PKydSV
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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