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Arrays :
![Array](https://wikitechy.com/php/img/php-images/array.gif)
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- An array is a data structure that is used for storing more than one value in a single variable.
- In php using array () function we can create an “array”.
- The array values are defined in numbers (or) character.
- In array the values are separated by commas (,).
php programming Syntax :
$variable = array( value);
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- There are three types of arrays used in php they are :
- Indexed arrays / Numerical arrays - An array with a numeric index
- Associative arrays - An array where each ID key is associated with a value
- Multidimensional arrays - An array containing one or more arrays
Indexed Arrays :
- In php generally the array index value is assigned automatically starting with Zero (0).
- A numeric array stores each array element with a numeric index.
- There are two methods to create a numeric array.
- In the following example the index is automatically assigned (the index starts at 0):
- In the following example you access the variable values by referring to the array name and index:
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php programming Syntax :
$variable = array( value1,value2,value3);
click below button to copy the code. php tutorial - team
Associative Arrays :
- An associative array is defined as name with their key value.
- With an associative array, each ID key is associated with a value.
- When storing data about specific named values, a numerical array is not always the best way to do it.
- With associative arrays we can use the values as keys and assign values to them.
- In this example we use an array to assign ages to the different persons:
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php programming Syntax :
$variable = array(key => value1, key => value2 , key =>value3);
click below button to copy the code. php tutorial - team
Multidimensional Arrays :
- A multidimensional array contains one are more arrays in a single variable.
php programming Syntax :
$variable = array(key => array(value1,value2…..));