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Functions and Statements which will spread the tainted mark of a tainted string

Function/Statement Since

= (assign) 0.1.0

. (concat) 0.1.0

"{$var}" (variable substitution) 0.1.0

.= (assign concat) 0.1.0

strval 0.3.0

explode/split 0.3.0

implode/join 0.3.0

sprintf 0.3.0

vsprintf 0.3.0

trim 0.4.0

rtrim 0.4.0

ltrim 0.4.0

strstr 0.5.0

str_pad 0.5.0

str_replace 0.5.0

substr 0.5.0

strtolower 0.5.0

strtoupper 0.5.0

Function/Statement	Since
= (assign)	0.1.0
. (concat)	0.1.0
"{$var}" (variable substitution)	0.1.0
.= (assign concat)	0.1.0
strval	0.3.0
explode/split	0.3.0
implode/join	0.3.0
sprintf	0.3.0
vsprintf	0.3.0
trim	0.4.0
rtrim	0.4.0
ltrim	0.4.0
strstr	0.5.0
str_pad	0.5.0
str_replace	0.5.0
substr	0.5.0
strtolower	0.5.0
strtoupper	0.5.0