Question

How to check if array exists in an array with PHP

Answer 1

// bool in_array ( mixed $needle , array $haystack [, bool $strict = FALSE ] )

$a = array(array('c', 'd'), array('o', 'x'), 'y');

if (in_array(array('c', 'd'), $a)) 
    echo "'c,d' array exist <br />";


if (in_array(array('o', 'x'), $a)) 
    echo "'o,x' array exist <br />";


if (in_array('y', $a)) 
    echo "'y' string exist <br />";


/*
run:

'c,d' array exist 
'o,x' array exist 
'y' string exist 

*/

 

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