Which type array function are used in php?

Question

is_array()  explode()  implode()  split()  preg_split()  and unset() .

Sonu Chaudhary · Answer

type array function are used in php 1. is_array():- tell you weather var contain any array or not .it return true or false. $yes = array( 'this'  'is'  'an array' ); echo is_array ( $yes ) ? 'Array' : 'not an Array' ; echo 
 ; $no = 'this is a string' ; echo is_array ( $no ) ? 'Array' : 'not an Array' ; ?> 2.explode():-Split a string by string // Example 1 $pizza = piece1 piece2 piece3 piece4 piece5 piece6 ; $pieces = explode (    $pizza ); echo $pieces [ 0 ]; // piece1 echo $pieces [ 1 ]; // piece2 // Example 2 $data = foo:*:1023:1000::/home/foo:/bin/sh ; list( $user  $pass  $uid  $gid  $gecos  $home  $shell ) = explode ( :  $data ); echo $user ; // foo echo $pass ; // * ?> 3.implode():- Join array elements with a string $array = array( 'lastname'  'email'  'phone' ); $comma_separated = implode (   $array ); echo $comma_separated ; // lastnameemailphone // Empty string when using an empty array: var_dump ( implode ( 'hello'  array())); // string(0)  ?> 4.split():- Split string into array by regular expression // Delimiters may be slash dot or hyphen $date = 04/30/1973 ; list( $month  $day  $year ) = split ( '[/.-]'  $date ); echo Month: $month ; Day: $day ; Year: $year 
 ; ?> 5.preg_split():- Split string by a regular expression 6.unset():- destroys the specified variables.