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array_splice()

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<?php
$input 
=
    
// array $input;

$array array_splice (
    
// array &$input
    
// int $offset
    
// [int $length]
    
  // [mixed $replacement = array()]
);
?>
resultado
$input = [
  
=> 'red',
  
=> 'green',
]
$array = [
  
=> 'blue',
  
=> 'yellow',
]
Exemplos
#1 array_splice  (/* $input = [0 => "red", 1 => "green", 2 => "blue", 3 => "yellow"] */
 
$input,
 
2)
#2 array_splice  (/* $input = [0 => "red", 1 => "green", 2 => "blue", 3 => "yellow"] */
 
$input,
 
1,
 -
1)
#3 array_splice  (/* $input = [0 => "red", 1 => "green", 2 => "blue", 3 => "yellow"] */
 
$input,
 
1,
 
4,
 
"orange")
#4 array_splice  (/* $input = [0 => "red", 1 => "green", 2 => "blue", 3 => "yellow"] */
 
$input,
 -
1,
 
1,
 [
=> "black"=> "maroon"])
#5 array_splice  (/* $input = [0 => "red", 1 => "green", 2 => "blue", 3 => "yellow"] */
 
$input,
 
3,
 
0,
 
"purple")
Veja também
array_merge, array_slice