Unset a row in a multidimensional array
Can’t be done with a simple command, but you can use a loop: foreach(array_keys($output) as $key) { unset($output[$key][1]); }
Can’t be done with a simple command, but you can use a loop: foreach(array_keys($output) as $key) { unset($output[$key][1]); }
Would this work? $result = array_map(function($arr) { return [ ‘id’ => $arr[‘id’], ‘name’ => $arr[‘name’] ]; }, $orig_array);
foreach($images as $key => $image) { if(in_array($image, array( ‘http://i27.tinypic.com/29ykt1f.gif’, ‘http://img3.abload.de/img/10nxjl0fhco.gif’, ‘http://i42.tinypic.com/9pp2tx.gif’, )) { unset($images[$key]); } }
Actually, you can unset a readonly variable. but I must warn that this is a hacky method. Adding this answer, only as information, not as a recommendation. Use it at your own risk. Tested on ubuntu 13.04, bash 4.2.45. This method involves knowing a bit of bash source code & it’s inherited from this answer. … Read more
Can’t be done with a simple command, but you can use a loop: foreach(array_keys($output) as $key) { unset($output[$key][1]); }
foreach($array as $elementKey => $element) { foreach($element as $valueKey => $value) { if($valueKey == ‘id’ && $value == ‘searched_value’){ //delete this particular object from the $array unset($array[$elementKey]); } } }
The delete operator removes a property from an object. It cannot remove a variable. So the answer to the question depends on how the global variable or property is defined. (1) If it is created with var, it cannot be deleted. For example: var g_a = 1; //create with var, g_a is a variable delete … Read more
unset is the command you’re looking for. unset GNUPLOT_DRIVER_DIR
To delete a key regardless of whether it is in the dictionary, use the two-argument form of dict.pop(): my_dict.pop(‘key’, None) This will return my_dict[key] if key exists in the dictionary, and None otherwise. If the second parameter is not specified (i.e. my_dict.pop(‘key’)) and key does not exist, a KeyError is raised. To delete a key … Read more
There are different ways to delete an array element, where some are more useful for some specific tasks than others. Deleting a single array element If you want to delete just one array element you can use unset() or alternatively \array_splice(). If you know the value and don’t know the key to delete the element … Read more