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  1. <?php
  2.  
  3. $texto = "oiEusouMuitoLegal";
  4.  
  5. $letras = preg_split('//', $texto, -1, PREG_SPLIT_NO_EMPTY);
  6.  
  7. foreach ($letras as $letra) {
  8.  
  9. 	if (ctype_upper($letra)) {
  10. 		$texto = str_replace($letra, " $letra", $texto);
  11. 	}
  12. }
  13.  
  14. echo $texto;
Success #stdin #stdout 0.01s 20568KB
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oi Eusou Muito Legal
https://ideone.com/IOacPC
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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