? ???? ?? PHP? ???? ???? ???? ??? ???? ??? ?????. ???? ?? ??? ?? ???? ???????
????? ?????? ?? ???? ?? ????, ?? ????? ??? ??? ????? ???. ???? ???? ???? ?? ??? ???????.
???? ??
????? ???? ?? PHP? gd2 ??? ????? ??? ????? ???(php.ini?? "php_gd2.dll"? ???? "; Extension=php_gd2.dll"? ?? ?? ?? ??? ????? ?????.
??: PHP? gd2 ?????? ?? ??
Core: img.php
? ???? ?? ??? ???? ?????. ??? ? ?? ??
??? 4?? ????
$check=rand(1000,9999);?
?????. ??? ?? ??? ?????
Session_start(); $_SESSION["check"] = $check;
?? ???
$im = imagecreate(80,30);
? ???? ??? ????? ?????? ???? ??? ???.
imagefill($im,0,0,ImageColorAllocate($im, 255,255,255));
?????? ???? ? ?? ??? ???? ????
$y1=rand(0,30); $y2=rand(0,30); $y3=rand(0,30); $y4=rand(0,30); imageline($im,0,$y1,70, $y3,000); imageline($im,0,$y2,70, $y4,000);
??? ??? ??? ???
$strx=rand(3,15); $stry=rand(2,15); imagestring($img,5,$strx,$stry,substr($check,0,1),ImageColorAllocate($img,34,87,100)); $strx+=rand(15,20); $stry=rand(2,15); imagestring($img,5,$strx,$stry,substr($check,1,1),ImageColorAllocate($img,781,117,78)); $strx+=rand(15,20); $stry=rand(2,15); imagestring($img,5,$strx,$stry,substr($check,2,1),ImageColorAllocate($img,160,40,40)); $strx+=rand(15,20); $stry=rand(2,15); imagestring($img,5,$strx,$stry,substr($check,3,1),ImageColorAllocate($img,25,55,10));
?? ???
Header("Content-type: image/PNG");
ImagePNG($img);?, ?? ??? ??? ????
??? ?????: index.php
??? ??? ?? ??? ????? ??? ?? ???????
<!DOCTYPE html> <html> <body> <form action="action.php" method="post"> <input type="text" name="cikle" placeholder="驗(yàn)證碼"> <br> <img id="cikle" style="-webkit-user-select: none" src="img.php"><input type="submit" value="Submit"> </form> </body> </html>? ??? ???? ??? ?? "action.php"? ?????
??: action.php
? ??? ??? ?? ???? ????. ?? ??
? ?? ?? ???? ??? ??? "???" ????.
? ?? ??? ??? "??"???
<?php Session_start(); if ($_SERVER["REQUEST_METHOD"] == "POST") { if($_SESSION["check"]!=intval($_POST["cikle"])){ echo "不正確"; }else{ echo "正確"; } }
? ??? PHP? ???? ??? ????. ???? ???? ????? ?? ??? ??? PHP ??? ????(m.miracleart.cn)? ? ?? ?? ??? ??? ??????!
? AI ??
Undress AI Tool
??? ???? ??
Undresser.AI Undress
???? ?? ??? ??? ?? AI ?? ?
AI Clothes Remover
???? ?? ???? ??? AI ?????.
Clothoff.io
AI ? ???
Video Face Swap
??? ??? AI ?? ?? ??? ???? ?? ???? ??? ?? ????!
?? ??
??? ??
???++7.3.1
???? ?? ?? ?? ???
SublimeText3 ??? ??
??? ??, ???? ?? ????.
???? 13.0.1 ???
??? PHP ?? ?? ??
???? CS6
??? ? ?? ??
SublimeText3 Mac ??
? ??? ?? ?? ?????(SublimeText3)
??? ??
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PHP?? ?? ?? ID? ?? ??? ??????
Jul 13, 2025 am 03:02 AM
PHP?? ?? ?? ID? ?? ??? Session_id () ??? ???? ???? Session_Start ()? ???? ????? ??????. 1. ??? ????? ?? _start ()? ?????. 2. Session_id ()? ???? ?? ID? ?? ABC123DEF456GHI789? ??? ???? ?????. 3. ??? ?? ??? Session_Start ()? ??????, ???? ???? ?????? ?? ??? ?????? ??? ??????. 4. ?? ID? ??, ?? ?? ? ?? ?? ??? ??? ? ??? ?????? ???????. ??? ???? ????? ID? ????? ?? ? ??? ??????.
PHP ????? ?? ???? ????
Jul 13, 2025 am 02:59 AM
PHP ????? ?? ???? ????? Syntax substr (String $ String, int $ start,? int $ length = null) ? substr () ??? ??? ? ??? ??? ???? ??? ??? ?????. ???? ?? ?? ??? ??? ?? ? ?? MB_SUBSTR () ??? ???? ?? ??? ??????. ?? ???? ?? ???? ?? ????? ?? exploit () ?? strtr ()? ???? ?? ?? ??? ?? ??? ?? ??? ?? ??? ? ????.
PHP ??? ?? ?? ???? ??? ??????
Jul 13, 2025 am 02:54 AM
UnitTestingInphPinvolvesVeverifying individualCodeUnitsInitsIntsormeStodStocatchBugSearlyLylyLearLiAberFactoring.1) setupphPunitviacomposer, createEatestDirectory, and ConfigeAuteAutoloadandPhpunit.xml.2) writeTestCases-oct-oct-asserterfat
PHP?? ???? ??? ???? ??
Jul 13, 2025 am 02:59 AM
PHP?? ?? ???? ??? exploit () ??? ???? ???? ??? ???? ????. ? ??? ??? ?? ??? ?? ???? ?? ???? ??? ??? ?????. ??? Exploit (???, ???, ??)??, ??? ???? ????? ???? ?? ?????, ??? ????? ?? ?? ?????? ??? ?? ?????. ?? ?? $ str = "Apple, Banana, Orange"; $ arr = Explode ( ",", $ str); ??? [ "Apple", "Bana???
JavaScript ??? ?? : ?? ? ??
Jul 13, 2025 am 02:43 AM
JavaScript ??? ??? ?? ?? ? ?? ???? ????. ?? ???? ???, ??, ??, ?, ???? ?? ? ??? ?????. ?? ????? ?? ?? ? ? ??? ????? ?? ??? ??? ????. ??, ?? ? ??? ?? ?? ??? ??? ??? ???? ??? ??? ???? ??? ?? ??? ????. ?? ? ????? ??? ???? ? ??? ? ??? TypeofNull? ??? ?????? ??? ? ????. ? ? ?? ??? ???? ?????? ????? ???? ??? ???? ? ??? ? ? ????.
std :: Chrono ?? c
Jul 15, 2025 am 01:30 AM
STD :: Chrono? ?? ?? ??, ?? ?? ??, ?? ?? ? ?? ?? ? ?? ?? ??? ???? C?? ???? ??? ?????. 1. std :: chrono :: system_clock :: now ()? ???? ?? ??? ?? ? ??? ?? ??? ???? ?? ? ? ??? ??? ??? ???? ?? ?? ? ????. 2. std :: Chrono :: steady_clock? ???? ?? ??? ???? ?? ??? ???? duration_cast? ?? ?? ?, ? ? ?? ??? ??????. 3. ?? (time_point) ? ?? (??)? ?? ??? ? ? ??? ?? ??? ? ?? epoch (epoch)???? ???????.
PHP? ?? ??? ?? ???? ???? ??? ??????
Jul 13, 2025 am 02:39 AM
PHP?? ?? ??? ?? ???? ????? ?? ??? ???? ???? ??? $ _session ? ??? ???? ????. 1. ? ???? ?? ??? ???? ?? Session_Start ()? ???? ???? ??? ???????. 2. $ _session [ 'username'] = 'johndoe'? ?? ?? ??? ?????. 3. ?? ????? session_start ()? ?? ? ? ??? ? ??? ?? ??? ???????. 4. Session_Start ()? ? ????? ???? ??? ????, ???? ?? ???? ??, ??? ?? ???? ??? ?? ? ? ??? ??????. 5. SES? ??????
PHP? ?? ??? ??? ??????
Jul 14, 2025 am 03:01 AM
toaccessenvironmentvariablesinphp, usegetenv () ?? $ _envsuperglobal.1.getenv ( 'var_name') retrievespescificvariable.2. $ _ en v [ 'var_name'] accessesvariablesifvariables_orderinphp.iniincludes "e".setvariablesviacliwithvar = valuephpscript.php, inapach
