Element Deletion from Array in PHP
PHP have a large number of native functions for array operations. When I am coding in javascript, I envy this feature of PHP. Many people have gone to the extend of porting the most needed functions over to javascript. However, you will find that one function is missing in PHP - the remove function for an array element.
Basically, I want to remove an element from an array - there is no function for that. So I wrote these functions to solve this problem...
<?php
////////////////////////////////// Lists(Numerical Arrays) /////////////////////////////////
/**
* A small function to remove an element from a list(numerical array)
* Arguments: $arr - The array that should be edited
* $value - The value that should be deleted.
* Returns : The edited array
*/
function array_remove($arr,$value) {
return array_values(array_diff($arr,array($value)));
}
////////////////////////////////// Associative Arrays //////////////////////////////////////
/**
* This function will remove all the specified keys from an array and return the final array.
* Arguments : The first argument is the array that should be edited
* The arguments after the first argument is a list of keys that must be removed.
* Example : array_remove_key($arr,"one","two","three");
* Return : The function will return an array after deleting the said keys
*/
function array_remove_key() {
$args = func_get_args();
$arr = $args[0];
$keys = array_slice($args,1);
foreach($arr as $k=>$v) {
if(in_array($k, $keys))
unset($arr[$k]);
}
return $arr;
}
/**
* This function will remove all the specified values from an array and return the final array.
* Arguments : The first argument is the array that should be edited
* The arguments after the first argument is a list of values that must be removed.
* Example : array_remove_value($arr,"one","two","three");
* Return : The function will return an array after deleting the said values
*/
function array_remove_value() {
$args = func_get_args();
$arr = $args[0];
$values = array_slice($args,1);
foreach($arr as $k=>$v) {
if(in_array($v, $values))
unset($arr[$k]);
}
return $arr;
}
