check null in_array php
if (!empty($data_days) && in_array(1, $data_days, true)){ // use numeric value 1, not string
check null in_array php
if (!empty($data_days) && in_array(1, $data_days, true)){ // use numeric value 1, not string
how to check if all values in an array are equal php
1. Check if all values are equal without knowing the values from array:
$array = array('true', 'true', 'true');
if((count(array_unique($array)) === 1)) {
echo "all equal";
} else {
echo "not equal";
}
2. Check if all values are equal when you know the value from array:
- In this case we know the equal value should be "true"
$array = array('true', 'true', 'true');
if (count(array_unique($array)) === 1 && end($array) === 'true') {
}
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