Keyword Analysis & Research: php check if null or empty

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
php check if null or empty	0.38	1	768	21	26
php	1.33	0.3	1781	27	3
check	1.71	0.7	8086	86	5
if	1.78	0.4	3027	1	2
null	0.13	0.4	7159	42	4
or	0.02	0.5	3017	2	2
empty	1.5	0.6	3862	65	5

Keyword	CPC	PCC	Volume	Score
php check if null or empty	0.58	0.1	2527	98
php check null or empty	0.82	0.9	7165	43
php check if string is not null or empty	0.33	0.7	6042	29
php check if value is null or empty	1.69	0.3	3390	44
php check for null or empty string	1.33	1	7247	77
php check if string is empty or null	0.95	0.5	4501	4
check if null or empty php	0.14	0.8	4356	70