Keyword Analysis & Research: check string empty php

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
check string empty php	1.98	0.8	9587	33	22
check	1.79	0.2	977	76	5
string	1.77	0.1	1429	80	6
empty	0.98	0.6	7413	2	5
php	0.45	0.2	3245	19	3

Keyword	CPC	PCC	Volume	Score
check string empty php	0.97	0.1	8087	52