PHP prev() Function (original) (raw)

Last Updated : 20 Jun, 2023

The prev() function is an inbuilt function in PHP.

Syntax:

prev($array)

Parameters: This function accepts a single parameter $array. It is the array of which we want to find the current element.

Return Value: It returns the value of the element in the array which is just before the element which the internal pointer is currently pointing to. If the array is empty then the prev() function returns FALSE.

Below programs illustrate the prev() function in PHP:

Program 1:

<?php

$arr = array ( "Ram" , "Shita" , "Geeta" , "Shyam" );

echo current( $arr ) . "\n" ;

echo next( $arr ). "\n" ;

echo prev( $arr );

?>

Output:

Ram Shita Ram

Program 2:

<?php

$arr = array ( 'a' , '2' , 'z' , '8' );

echo current( $arr ) . "\n" ;

echo next( $arr ). "\n" ;

echo next( $arr ). "\n" ;

echo prev( $arr );

?>

Output:

a 2 z 2

Reference:
http://php.net/manual/en/function.prev.php

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