PHP

PHP remove value from array

array_diff( [312, 401, 15, 401, 3], [401] ) // removing 401 returns [312, 15, 3]
  
// https://stackoverflow.com/questions/7225070/php-array-delete-by-value-not-key#:~:text=with%20one%20element.-,array_diff(%20%5B312%2C%20401%2C%2015%2C%20401%2C%203%5D%2C%20%5B401%5D%20)%20//%20removing%20401%20returns%20%5B312%2C%2015%2C%203%5D,-It%20generalizes%20nicely

php function to remove 0 value from array

 $myarray = array_filter($myarray, 'strlen');  //removes null values but leaves "0"
 $myarray = array_filter($myarray);            //removes all null values

PHP remove value from array

array_diff( array(312, 401, 15, 401, 3), array(401) ) // removing 401 returns [312, 15, 3]