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GD2 ??? ???? 4?? ?? ??? ??? ? ??? ???? ?? ??? ??????
S.L
S.L 2017-08-21 20:38:54
0
1
1382

<?php
session_start();
header("content-type:image/png") //??? ???? ??? ?????
$image_width=70; ??? ??
$image_height=18; //??? ?? ??
srand(microtime()*100000) //??? ?? ??
for($i=0;$i<4;$i++); //4?? ??? ???? ??
$new_number.=dechex(rand(0,15));
}
$_SESSION[check_checks]=$new_number; //?? ?? ????? SESSION ??? ???.

$num_image =imagecreate($image_width,$image_height); //??? ???
imagecolorallocate($num_image,255,255,255) //??? ?? ??
for($i=0;$i<strlen($ _SESSION[check_checks]); $i++){ //SESSION ???? ?? ??? ?? ??
$font=mt_rand(3,5) ); //?? ?? ?? ?
imagestring($num_image,$font,$x,$y,$_SESSION[check_checks][$i],$color); //?? ?? ??
}
imagepng ($num_image);

S.L
S.L

?? ??(1)
風(fēng)豆丁

??? ??? ????.

header("content-type:image/png")? ?? ?? ???? ??? ?? ?????.

????? ??? ???? ???? imagepng() ?? ?? ????? ??? ?? ??? ? ????.

  • ???? ? ??? ?????? ??????? ???? ???. ??? ??? ?? ???? ??? ?? ??? ?????. ( ! ) ?? ??: ???? ?? ??: 7?? D:wamp64wwwlianxichecks.php? ?? new_number ?? ?? # ?? ?? ?? ?? 1 0.0007 244832 {??}( ) ...checks.php:0
    S.L ?? 2017-08-22 23:22:07
  • ???? for ?? ?? $num_number? ?? ?? ???? $_SESSION ?? ??? ?????? ???. ??? ?? ???? ???. ??_??(); header("content-type:image/png"); //??? ???? ??? ?????. $image_width=70; //??? ?? ?? $image_height=18; //??? ?? ?? srand(microtime()*100000); //?? ?? ?? $new_number = ''; for($i=0;$i<4;$i++){ //4?? ??? ???? ?? $new_number .= dechex(rand(0,15)); } $_SESSION['check_checks']=$new_number; //??? ?? ????? SESSION ??? ???. $num_image=imagecreate($image_width,$image_height); //??? ?? imagecolorallocate($num_image,255,255,255); //??? ?? ?? for($i=0;$i<strlen($_SESSION['check_checks']);$i++){ //SESSION ??? ?? ??? ?? ?? $font=mt_rand(3,5); //??? ?? ?? $x=mt_rand(1,8)+$image_width*$i/4; //??? ?? ??? X ??? ?????. $y=mt_rand(1,$image_height/4); //??? ?? ??? Y ??? ?????. $color=imagecolorallocate($num_image,mt_rand(0,100),mt_rand(0,150),mt_rand(0,200)) //?? ??? ?????. imagestring($num_image,$font,$x,$y,$_SESSION['check_checks'][$i],$color) //?? ?? ?? } imagepng($num_image); //PNG ???? ???? ?????. imagedestroy($num_image); //??? ??? ??
    風(fēng)豆丁 ?? 2017-08-23 22:23:48