PHP | Ds\Vector find() Function
The Ds\Vector::find() function is an inbuilt function in PHP which is used to find the index of the element in the vector.
Syntax:
mixed public Ds\Vector::find( $value )
Parameters: This function accepts a single parameter $value which need to find the index value.
Return Value: This function returns the index of the element in the vector on success or false on failure.
Below programs illustrate the Ds\Vector::find() function in PHP:
Program 1:
<?php
$vector = new \Ds\Vector([1, 2, 3, 4, 5]);
var_dump( $vector );
var_dump( $vector ->find(1));
var_dump( $vector ->find(5));
var_dump( $vector ->find(8));
var_dump( $vector ->find( "Geeks" ));
?>
|
Output:
object(Ds\Vector)#1 (5) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
[3]=>
int(4)
[4]=>
int(5)
}
int(0)
int(4)
bool(false)
bool(false)
Program 2:
<?php
$vector = new \Ds\Vector([ "Geeks" , "for" ,
"Geek" , 1, "1" , 0, "0" ]);
var_dump( $vector ->find(1));
var_dump( $vector ->find( "0" ));
var_dump( $vector ->find(8));
var_dump( $vector ->find( "Geeks" ));
?>
|
Output:
int(3)
int(6)
bool(false)
int(0)
Reference: http://php.net/manual/en/ds-vector.find.php
Last Updated :
22 Aug, 2019
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