PHP array() function

PHP array() function

The array() function in PHP is used to create an array.

Syntax

array ([ mixed $... ] )

Parameter

…(optional)- This parameter represents the elements’ values along with keys of the array. The syntax of this is as follows:

"index => values" where the index represents a type string or integer. The possible index values are given below,

  • If the index is omitted, an integer index is automatically generated, starting from 0 and incremented with +1.
  • If the index is an integer, the next generated index will be the biggest integer index + 1
  • If there are two identical indexes, the last index overwrites the first.

Return

This parameter returns an array of the parameters.

Example 1

 values" 
 $array = array(1=>"A", 2=>"B", 3=>"C", 4=>"D", 5=>"E", 6=>"F");
 //printing the array
 print_r($array);
 ?> 

Output

Array
 (
     [1] => A
     [2] => B
     [3] => C
     [4] => D
     [5] => E
     [6] => F
 ) 

Example 2

 values" 
 //If the index is not passed, an integer index is automatically generated, starting from 0
 $array = array("A", "B", "C", "D", "E", "F");
 //printing the array
 print_r($array);
 ?> 

Output

Array
 (
     [0] => A
     [1] => B
     [2] => C
     [3] => D
     [4] => E
     [5] => F
 ) 

Example 3

 array(1 => "mango", 2 => "banana", 2 => "apple"),
     "numbers" => array(1, 2, 3, 4, 5, 6),
     "values"   => array("first", 5 => "second", "third")
 );
 //printing the array 
 print_r($array);
 ?> 

Output

Array
 (
     [fruits] => Array
         (
             [1] => mango
             [2] => apple
         )
     [numbers] => Array 
         (
             [0] => 1
             [1] => 2
             [2] => 3
             [3] => 4
             [4] => 5
             [5] => 6
         )
     [values] => Array
         (
             [0] => first
             [5] => second
             [6] => third
         )
 ) 

Example 4

 'Reema','');
 //Accessing the array inside double quotes
 echo "Hello {$array['Name']}!"; // will return Hello Reema!
 ?> 

Output

Hello Reema!

Related Topics

PHP strripos() Function

PHP strripos() Function The strripos() function in PHP finds the position of the last occurrence of a substring in the specified string. It is a case-insensitive and binary-safe function. Syntax strripos ( string $haystack , mixed $needle [, int $offset ] ) Parameter haystack(required)- This parameter signifies the...

1 minute read.

PHP Do While Loop

PHP do while loop is used to execute the code at least one time because condition is checked after executing the code. Syntax: do{ //code to be executed  }while(condition); Output <?php $n=1;  do{ echo "$n<br/>";  $n++;  }while($n<=5);  ?> Output 1 2 3 4 5 ← Prev Next →...

1 minute read.

PHP pos() Function

PHP pos() Function The pos() function in PHP returns the current element in an array which is initialized to the first element of the array. This function is an alias of current(). Syntax pos ( array...

1 minute read.

PHP Environment Setup

To install PHP, We have to installed AMP(Apache, MySQL and PHP) software. There are various AMP software available in the market. XAMPP (Cross-Platform, Apache, MySQL, PHP and Perl) for windows. ...

2 minutes read.

PHP metaphone() Function

PHP metaphone() Function The metaphone() function in PHP calculates the metaphone key (representing how a string sounds or pronounced) of a string. This function is used to text search and text matching or spelling...

1 minute read.

PHP natcasesort() Function

PHP natcasesort() Function The natcasesort() function in PHP Sort an array using a case insensitive "natural order" algorithm while maintaining the keys. Syntax natcasesort ( array &$array ) Parameter array(required)- This parameter represents the input array. Return This parameter returns a Boolean...

1 minute read.

PHP array_values() Function

PHP array_values() Function The array_values () function in PHP returns all the values from the array and indexes the array numerically. Syntax array_values ( array $array ) Parameter array(required)- This array represents the input array. Return This function returns an indexed array of values. Example 1 Output Input Array: Array ...

1 minute read.

PHP is_scalar() Function

PHP is_scalar() Function The is_scalar() function in PHP finds whether a variable is a scalar or not. It returns a Boolean value TRUE if the parameter var is scalar, else it returns FALSE. Scalar variables are those containing an integer, float, string or boolean. This...

1 minute read.

PHP sha1() Function

PHP sha1() Function The sha1() in PHP calculates the SHA-1 hash of a string. Syntax sha1 ( string $str [, bool $raw_output = FALSE ] )  Parameter str (required)- This parameter represents the input string. raw_output(optional)- This parameter takes Boolean value and returns the digest in raw binary format...

1 minute read.

PHP array_column() Function

PHP array_column() Function The array_column() function in PHP is used to return the values from a single column specified in the input array. Syntax array_column (array $input, mixed $column_key [, mixed $index_key]) Parameter input(required)- This parameter represents a multi-dimensional array or an array of...

1 minute read.

PHP substr_replace() Function

PHP substr_replace() Function The substr_replace() function in PHP replaces a part of a string with another string. Syntax substr_replace (mixed $string , mixed $replacement , mixed $start [, mixed $length ] ) Parameter string(required)- This parameter represents the input string. replacement(required)- This parameter signifies the string to replace with. start(required)-...

2 minutes read.

PHP usort() Function

PHP usort() Function The usort() function in PHP sorts  array by values using a user-defined comparison function. Syntax usort ( array &$array , callable $value_compare_func ) array(required)- This parameter represents the input array. value_compare_func(required)- This parameter represents a string that describe a callable comparison function. The comparison...

1 minute read.

PHP str_split() Function

PHP str_split() Function The str_split() function in PHP splits a string into an array. String str_split ( string $string [, int $split_length = 1 ] ) Parameter string(required)- This parameter represents the input string. split_length(optional)- This parameter signifies the maximum length of the chunk. The default value is 1. Return This function...

2 minutes read.

PHP ucfirst() Function

PHP ucfirst() Function The ucfirst() function in PHP converts the first character of the specified string to uppercase. Syntax ucfirst ( string $str ) Parameter str(required)- This parameter represents the input string. Return This function returns a string with the first character of the specified string capitalized if that...

1 minute read.

PHP chop() Function

PHP chop() Function The chop() function in PHP removes whitespaces or other predefined characters from the right end of the specified string. Syntax chop(str,charlist) Parameter str(required)- This parameter specifies the string to check. charlist(optional)- This parameter...

1 minute read.

PHP sizeof() Function

PHP sizeof() Function The sizeof() function in counts all elements and return the size of the array. This function is an alias of count(). Syntax sizeof( mixed $array_or_countable [, int $mode = COUNT_NORMAL ] )  Parameter array_or_countable(required)– This parameter represents the input array or countable object. mode(optional)-...

1 minute read.

PHP sprintf() Function

PHP sprintf() Function The sprintf() function in PHP is used to write a formatted string to a variable and returns a formatted string. PHP 4 and above versions support the sprintf() function. The related functions are...

8 minutes read.

PHP Comment

PHP commentis a line of code that is not executed. It is often used by developer to understand the code. PHP support single and multiple comments. In other language like C,...

1 minute read.

PHP Echo And Print

In PHP, echo and print is used to get output data to the screen but there is some difference, between echo and print. PHP echo PHP echo is used to display the...

1 minute read.

PHP rtrim() Function

PHP rtrim() Function The rtrim() function in PHP is used to strip off the whitespace (or other characters) from the end of a string. If the second parameter is not specified, this function will strip are...

1 minute read.