Useful prebuilt array Method in PHP
array(
'Search' => 'Google',
'Social' => 'Facebook',
'News' => 'NY Times'
),
'friends' => array(
'Chris',
'Jim',
'Lynn',
'Jeff',
'Joanna'
)
);
echo "";
print_r($array);
echo "
";
echo "
";
// is_array() check the variable is an array.
echo is_array(($array));
echo "
";
// in_array() Check the certain value in our array
$result = in_array("Google", $array['websites']);
print_r($result);
echo "
";
// Lets Merge two array in one array_merge();
$merged = array_merge($array['websites'], $array['friends']);
echo "";
print_r($merged);
echo "
";
// Lets bribg out merged array key using array_keys();
$keys = array_keys($merged_array);
echo "";
print_r($keys);
echo "
";
echo "
";
// check key present in array or not array_key_exists()
$exists = array_key_exists(7, $keys);
print_r($exists);
echo "
";
// To move out array we use array_shift()
$shifted = array_shift($array);
print_r($shifted);
echo "
";
print_r($array);
echo "
";
// I want to back my shifted array in original way array_push();
array_push($array, $shifted);
echo "";
print_r($array);
echo "
";
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