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  1. <?php
  2. $string = "1427  0   
  3.  
  4.    876652098643267843 
  5. 5276538";
  6.  
  7. echo $string . "\n------------------------------------\n";
  8.  
  9. $trash = explode(" ", $string);
  10.  
  11. foreach (array_reverse($trash) as $value) {
  12. 	//echo "$value \n";
  13. 	if (is_numeric($value)) {
  14. 		$result = round(sqrt($value), 4);
  15. 		echo $result . "\n";
  16. 	}	
  17. }
  18.  
Success #stdin #stdout 0.02s 52432KB
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stdin
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stdout
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1427  0   

   876652098643267843 
5276538
------------------------------------
2297.0716
936297014.1164
0
37.7757
https://ideone.com/qFJOX5
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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