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  1. <?php
  2. 	function IsNonEmptyString($x){
  3. 		return $x !== "";
  4. 	}
  5.  
  6. 	$arr = array(1 =>"東京",2=>"京都",3=> "",7=>"横浜",24=>"奈良",5=> "");
  7. 	$arr = array_filter($arr,"IsNonEmptyString");
  8. 	print_r($arr);
  9.  
  10. ?>
Success #stdin #stdout 0.02s 13112KB
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stdin
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Standard input is empty
stdout
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Array
(
    [1] => 東京
    [2] => 京都
    [7] => 横浜
    [24] => 奈良
)
https://ideone.com/E8Bhg
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
public

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