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PHP array function array_search() returns the key name by element value

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Release： 2016-07-25 08:53:14
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  2. $a=array("a"=>"Dog","b"=>"Cat","c"=>"Horse");
  3. echo array_search( "Dog",$a);
  4. ?>
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output: a



Related labels：
php数组函数array_search() 按元素值返回键名
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