php get array value by key
2 Answers. It looks like you're writing PHP, in which case you want: <? $arr=array('us'=>'United', 'ca'=>'canada'); $key='ca'; echo $arr[$key]; ?> Notice that the ('us'=>'United',, I think you are searching for array_intersect_key. Example: array_intersect_key(array('a' => 1, 'b' => 3, 'c' => 5), array_flip(array('a', 'c')));., Your code seems to be fine, make sure that key you specify really exists in the array or such key has a value in your array eg: $array = array(4 ..., @param string $key The Key within each Associative Array to retrieve the Value * * @return array The Array of Keyed Values within the Array of ..., You are trying to access the local foreach variable $country out of the foreach loop. You have to do that inside the loop. Or you could just get the ...,The column of values to return. This value may be an integer key of the column you wish to retrieve, or it may be a string key name for an associative array or property name. It may also be NULL to return complete arrays or objects (this is useful togethe,Return Values ¶ The key() function simply returns the key of the array element that's currently being pointed to by the internal pointer. It does not move the pointer in any way. If the internal pointer points beyond the end of the elements list or th,Returns the key for needle if it is found in the array, FALSE otherwise. If needle is ... To return the keys for all matching values, use array_keys() with the optional ... ,This is another way to get value from a multidimensional array, but for versions of php >= 5.3.x ... Get all values from specific key in a multidimensional array
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Find array value using key - Stack Overflow
2 Answers. It looks like you're writing PHP, in which case you want: <? $arr=array('us'=>'United', 'ca'=>'canada'); $key='ca'; echo $arr[$key]; ?&... https://stackoverflow.com Get array values by keys - Stack Overflow
I think you are searching for array_intersect_key. Example: array_intersect_key(array('a' => 1, 'b' => 3, 'c' => 5), array_flip(array('a', 'c')));. https://stackoverflow.com PHP how to get value from array if key is in a variable - Stack ...
Your code seems to be fine, make sure that key you specify really exists in the array or such key has a value in your array eg: $array = array(4 ... https://stackoverflow.com PHP: Return Array of Values from Key in Associative Array - Stack ...
@param string $key The Key within each Associative Array to retrieve the Value * * @return array The Array of Keyed Values within the Array of ... https://stackoverflow.com How to return PHP array value from key? - Stack Overflow
You are trying to access the local foreach variable $country out of the foreach loop. You have to do that inside the loop. Or you could just get the ... https://stackoverflow.com Return the values from a single column in the input array - PHP
The column of values to return. This value may be an integer key of the column you wish to retrieve, or it may be a string key name for an associative array or property name. It may also be NULL to re... https://www.php.net key - Manual - PHP
Return Values ¶ The key() function simply returns the key of the array element that's currently being pointed to by the internal pointer. It does not move the pointer in any way. If the internal p... https://www.php.net Searches the array for a given value and returns the first ... - PHP
Returns the key for needle if it is found in the array, FALSE otherwise. If needle is ... To return the keys for all matching values, use array_keys() with the optional ... https://www.php.net array_values - Manual - PHP
This is another way to get value from a multidimensional array, but for versions of php >= 5.3.x ... Get all values from specific key in a multidimensional array https://www.php.net |