What's the most succinct way in PHP to test if an array key is exists and save it's value?
89873
PHP: a short cut for isset and !empty?
83888
Why doesn't this array_unique work as expected?
104346
Does PHP have short-circuit evaluation?
132944
How to Check for a Specific Type of Object in PHP
18575
How to 'insert if not exists' in MySQL?
134748
Determine whether an array contains a value
90265
PHP file_exists($var) not working
15235
Check if a given key already exists in a dictionary
97010
Is there an equivalent for var_dump (PHP) in Javascript?
4521
Is there an "exists" function for jQuery?
66097
Getting the key of the only element in a PHP array
38789
can we check if a key exists in a map in vf page
25753
Java function for arrays like PHP's join()?
14661
How can I check if a Perl array contains a particular value?
60800
PHP: Access Array Value on the Fly
84676
How do I check that multiple keys are in a dict in a single pass?
125952
PHP take string and check if that string exists as a variable