[PHP-users 9326] Re: copy$BD>8e$K(Bfile_exists$B$G56$,5"$C$FMh$^$9(B

[K.Ono]

$B>.Ln$G$9!#(B

copy()$B$O(Bclearstatcache()$B$HL54X78$G$9!#(B

file_exists()$BEy$N%U%!%$%k>pJs$r<hF@$9$k%7%9%F%`%3!<%k$O!"%7%9%F(B
$B%`$KIiC4$,Bg$-$$$?$a!"%-%c%C%7%e$7$F$*$$$FFs<!MxMQ$9$k7A$K$J$C$F(B
$B$$$^$9!#(B

$B$D$^$j!"<!$N$h$&$K$J<j=g$G4X?t$rFI$s$@>l9g!"(B

unlink($BB);
file_exists($BB); //..........(1)
copy($AA,$BB);
file_exists($BB); //..........(2)

(1)$B$N(Bfile_exists$B$G$O!"<B:]$K%U%!%$%k$NB8:_$,3NG'$5$l$F!"@5$7$$7k(B
$B2L!J$3$N>l9g$O(B false$B!K$,DLCN$5$l!"$3$N7k2L$,%-%c%C%7%e$5$l$^$9!#(B

$B$7$+$7!"(B(2)$B$N(Bfile_exists$B4X?t$,8F$P$l$?$H$-$K$O!"%U%!%$%k$NB8:_%A(B
$B%'%C%/$O9T$o$l$:!"(B(1)$B$N(Bfile_exists$B$N:]$N%-%c%C%7%e>pJs$,;2>H$5$l(B
$B$k$@$1$G$9!#(B

$B$D$^$j!"$3$N<j=g$G$O!"(B(2)$B$N:]$NLa$jCM$O%U%!%$%kB8:_$NG!2?$K4X$o(B
$B$i$:!"(Bfalse $B$K$J$k$o$1$G$9!#(B

$B$h$&$9$k$K!"(B(1)$B$N:]$N%-%c%C%7%e$,;D$C$F$$$k$N$,!"LdBj$G!"$3$l$r(B
$B%/%j%"$7$F$7$^$($P(B (2)$B$K$*$$$F$b@5$7$/%U%!%$%k$NM-L5$r%A%'%C%/$G(B
$B$-$k$3$H$K$J$j$^$9!#(B

clearstatcache()$B$O$=$N$?$a$N4X?t$G$9!#(B

$BNc$($P!"<!$N%3!<%I$O4|BTDL$j$KF0:n$9$k$H;W$$$^$9!#(B

unlink($BB);
if(file_exists($BB)){
  //$BB$B$,B8:_$9$k>l9g$N=hM}(B
}else{
  //$BB$B$,B8:_$7$J$$>l9g$N=hM}(B
}
clearstatcache(); // file_exists$B$N7k2L$r%/%j%"(B
copy($AA,$BB);
if(file_exists($BB)){
  //$BB$B$,B8:_$9$k>l9g$N=hM}(B
}else{
  //$BB$B$,B8:_$7$J$$>l9g$N=hM}(B
}
clearstatcache(); //$B$3$N9T$OL50UL#(B

....$B$H$$$&$h$&$J;v$,LdBjE@$G$O$J$$$+$H9M$($^$7$?$,!"30$7$F$$$?$i(B
$B$4$a$s$J$5$$!#(B