Keyword Analysis & Research: test for null or empty php

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
test for null or empty php	0.34	1	6727	45	26
test	0.27	0.8	3573	16	4
for	0.52	0.6	869	84	3
null	0.77	0.3	1033	55	4
or	1.83	0.6	7585	33	2
empty	0.5	0.1	8761	34	5
php	0.08	0.5	8179	68	3

Keyword	CPC	PCC	Volume	Score
test for null or empty php	0.23	0.4	304	41