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What is Array :
array is a data structure that stores one or more similar type of values in a single value.
Example
if you want to store 50 numbers then instead of defining 50 variables its easy to define an array of 50 length
$a = [1,2,3,4,5,6,7,8,..........50]
Types Of Array in PHP
Numeric array
Associative array
Multidimensional array
1.Numeric array
Syntex :
$variable_name = array(value1,value2,value3.......,value n);
Example 1 :
$a = array(1,2,3,4,5,6,7,8);
Example 2 :
$b = array(a,b,c,d,e,f,g,h);
2.Associative array
Syntex :
$variable_name = array('key'=>'value','key'=>'value');
Example :
$user_info = array(
'name'=>'your_name',
'email'=>'your_email',
'age'=>'your_age',
);
3. Multidimensional array
Syntex :
$variable_name = array(
'key'=>array('key'=>'value','key'=>'value'),
'key'=>array('key'=>'value','key'=>'value'),
);
Example :
$marks = array(
'a' =>array('hindi'=>'60','english'=>'40'),
'b' =>array('hindi'=>'60','english'=>'40'),
);