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[TUTORIAL]Verifica daca exista o cheie intr-un array phpBB 3 - Printable Version

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[TUTORIAL]Verifica daca exista o cheie intr-un array phpBB 3 - ra!z0r - 01-12-2015

In zilele trecute am avut un task, sa gasesc o cheie intr-un array, daca exista atunci sa se afiseze elementul avand cheia specificata.

Exemplu:


Code:
<?php

 $my_arr = array( 0 => 'Ion', 1 => 'Vasile', 2 => 'Maria' );
 $cheie = 1;

 if (array_key_exists($cheie, $my_arr)) {
 echo $my_arr[$cheie];
 }
 else {
 echo 'Cheia specificata nu exista in $my_arr';
 }


 ?>