php array_rand() function randomly selects one or more elements from an array
Release： 2016-07-25 09:13:05
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PHP uses the array_rand() function to randomly select one or more elements from an array. Use the array_rand() function to randomly select one or more elements from an array and return it. array_rand(array,number) Parameter Description array Required. Specifies the input array parameters. www.jbxue.comnumber Optional. The default is 1. Specifies how many random elements to return. Example: $a=array("a"=>"Dog","b"=>"Cat","c"=>"Horse");
print_r(array_rand($a,1));
? > Result: b |
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