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up vote 4 down vote favorite

Good Morning ya'll,

I am not sure if I got the terms right in my title, but I am trying to do a php array_push like so

array_push($countryList, "US" => "United States");

but this gives me a syntax error.

Am I not doing this properly?

Thanks, J

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Please mark the answer if it is posted... – eL-Prova Mar 13 '13 at 15:00
up vote 5 down vote accepted

Adding like 

$countryList["US"] = "United States";

Pushing a value into an array automatically creates a numeric key for it.

When adding a key-value pair to an array, you already have the key, you don't need one to be created for you. Pushing a key into an array doesn't make sense. You can only set the value of the specific key in the array.

// no key
array_push($array, $value);
// same as:
$array[] = $value;

// key already known
$array[$key] = $value

;

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up vote 0 down vote

Pushing elements to array 

$a=array();
$a=array_push($a,$value);

Example

$a=array("red","green");
array_push($a,"blue","yellow");
print_r($a);
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up vote 0 down vote

If you want to push a value with key in an array then you may use the following function:

function array_push_assoc($array, $key, $value){
    $array[$key] = $value;
    return $array;
}

Usage: $array= array_push_assoc($array, 'US', 'United States');
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up vote -1 down vote

Refer to online php doc ...

"US" => "United States" is not a var !

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