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PHP5

PHP5. Array concepts. Basic Array. If you do not set the key when you create an array the initial value is 0 and then it auto increments $ arr [] = “First index”; $ arr [] = “Second index”; print($arr[1]); // is “Second index” print($arr[0]); // is “First index”. Array Unordered.

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PHP5

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  1. PHP5 Array concepts

  2. Basic Array • If you do not set the key when you create an array the initial value is 0 and then it auto increments $arr[] = “First index”; $arr[] = “Second index”; print($arr[1]); // is “Second index” print($arr[0]); // is “First index”

  3. Array Unordered • You can specifically give an array key and not do this in a specific order $arr[12] = “First index”; $arr[9] = “Second index”; print($arr[9]); // is “Second index” print($arr[12]); // is “First index”

  4. Associative Array • You can specifically give an array key a name $arr[‘name_first’] = “Ray”; $arr[‘name_last’] = “Gubala”; print($arr[‘name_first’]); // is “Gubala” print($arr[‘name_last’]); // is “Ray”

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