check null in_array php
if (!empty($data_days) && in_array(1, $data_days, true)){ // use numeric value 1, not stringcheck null in_array php
if (!empty($data_days) && in_array(1, $data_days, true)){ // use numeric value 1, not stringphp in_array
<?php
$a = array(array('p', 'h'), array('p', 'r'), 'o');
if (in_array(array('p', 'h'), $a)) {
echo "'ph' a été trouvé\n";
}
if (in_array(array('f', 'i'), $a)) {
echo "'fi' was found\n";
}
if (in_array('o', $a)) {
echo "'o' a été trouvé\n";
}
?>
/*
result :
'ph' a été trouvé
'o' a été trouvéCopyright © 2021 Codeinu
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