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  1. <?php
  2.  
  3. 	$str = "aaaaaaaaaa";
  4. 	$carater="-";
  5. 	$apartir=3;
  6. 	$ate=7;
  7. 	$ambos="ambos";
  8. 	$entre="entre";
  9. 	$compr=strlen($str);
  10.  
  11. 	if ($apartir==3){
  12. 	 $nome=substr($str, $compr-$apartir, $compr);
  13. 	 $right = str_pad($nome, $compr, $carater, STR_PAD_RIGHT);
  14. 	}
  15.  
  16. 	if ($ate==7){
  17. 	  $nome=substr($str, $compr-$apartir, $compr);
  18. 	  $left = str_pad($nome, $compr, $carater, STR_PAD_LEFT);
  19. 	}
  20.  
  21. 	if($ambos=="ambos"){
  22. 		$nome=substr($str, $ate, $compr);
  23. 		$both = str_pad($nome, $compr, $carater, STR_PAD_BOTH);
  24. 	}
  25.  
  26. 	    echo $right;
  27. 	    echo "\n";
  28. 	    echo $left;
  29. 	    echo "\n";
  30. 	    echo $both;
  31. 	    echo "\n";
  32.  
  33. 	$quant=2;
  34.  
  35. 	$parts = str_split($str, $quant);
  36. 	$inicio = $fim = $parts[0]; 
  37.  
  38. 	$aux=substr($str,$quant*2,$compr);
  39.  
  40. 	$compl=str_replace("a",$carater,$aux);
  41.  
  42. 	$meio=$inicio.$compl.$fim;
  43. 	echo $meio;
Success #stdin #stdout 0.01s 82880KB
comments (?)
stdin 
Standard input is empty
stdout 
aaa-------
-------aaa
---aaa----
aa------aa
https://ideone.com/3ZDJOT
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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