php - How to check for matching key value pairs -


i have sets of arrays key value pairs:

$array1 = array('blue'  => 1, 'red'  => 2, 'green'  => 3, 'purple' => 4); $array2 = array('green' => 5, 'blue' => 1, 'yellow' => 7, 'cyan'   => 8);

how check both arrays contain match key , value together? want place condition if $array1 , $array2 have matching pair blue=>1 something?

you can use array_intersect_assoc:

php > var_dump(count(array_intersect_assoc($array1,$array2)) > 0); bool(true)  php > $array1 = array('blue'  => 1, 'red'  => 2, 'green'  => 3, 'purple' => 4); php > $array2 = array('green' => 5, 'blue' => 2, 'yellow' => 7, 'cyan'   => 8); php > var_dump(count(array_intersect_assoc($array1,$array2)) > 0); bool(false)

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