https:\/\/blog.csdn.net\/sinat_29862853\/article\/details\/85253384<\/p>\n
exec( )\u57fa\u7840\u4ecb\u7ecd
\nexec()\u51fd\u6570\u7528\u6765\u6267\u884c\u4e00\u4e2a\u5916\u90e8\u7a0b\u5e8f<\/p>\n
\u5f00\u542fexec()\u51fd\u6570\uff1a<\/p>\n
exec()\u51fd\u6570\u662f\u88ab\u7981\u7528\u7684\uff0c\u8981\u4f7f\u7528\u8fd9\u4e2a\u51fd\u6570\u5fc5\u987b\u5148\u5f00\u542f\u3002<\/p>\n
\u9996\u5148\u662f \u8981\u5173\u6389 \u5b89\u5168\u6a21\u5f0f safe_mode = off\u00a0 \uff08\u82e5safe_mode=off,\u4e0b\u8fb9\u5c31\u4e0d\u9700\u8981\u770b\u4e86\uff09
\n\u7136\u540e\u5728\u770b\u770b \u7981\u7528\u51fd\u6570\u5217\u8868 disable_functions = proc_open, popen, exec, system, shell_exec, passthru\u00a0 \u00a0\u8fd9\u91cc\u8981\u628a exec \u53bb\u6389\uff0c\u91cd\u542f apache \u5c31OK\u4e86\u3002
\nsafe_mode_exec_dir=
\nexec()\u51fd\u6570\u57fa\u672c\u7528\u6cd5\uff1a<\/p>\n
exec ( string $command [, array &$output [, int &$return_var ]] )\uff1b<\/p>\n
$command\uff1a\u8868\u793a\u8981\u6267\u884c\u7684\u547d\u4ee4\u3002<\/p>\n
$output:\u5982\u679c\u63d0\u4f9b\u4e86 output \u53c2\u6570\uff0c \u90a3\u4e48\u4f1a\u7528\u547d\u4ee4\u6267\u884c\u7684\u8f93\u51fa\u586b\u5145\u6b64\u6570\u7ec4\uff0c \u6bcf\u884c\u8f93\u51fa\u586b\u5145\u6570\u7ec4\u4e2d\u7684\u4e00\u4e2a\u5143\u7d20\u3002 \u6570\u7ec4\u4e2d\u7684\u6570\u636e\u4e0d\u5305\u542b\u884c\u5c3e\u7684\u7a7a\u767d\u5b57\u7b26\uff0c\u4f8b\u5982 \\n \u5b57\u7b26\u3002 \u8bf7\u6ce8\u610f\uff0c\u5982\u679c\u6570\u7ec4\u4e2d\u5df2\u7ecf\u5305\u542b\u4e86\u90e8\u5206\u5143\u7d20\uff0cexec() \u51fd\u6570\u4f1a\u5728\u6570\u7ec4\u672b\u5c3e\u8ffd\u52a0\u5185\u5bb9\u3002\u5982\u679c\u4f60\u4e0d\u60f3\u5728\u6570\u7ec4\u672b\u5c3e\u8fdb\u884c\u8ffd\u52a0\uff0c \u8bf7\u5728\u4f20\u5165 exec() \u51fd\u6570\u4e4b\u524d \u5bf9\u6570\u7ec4\u4f7f\u7528 unset() \u51fd\u6570\u8fdb\u884c\u91cd\u7f6e\u3002<\/p>\n
$return_var:\u5982\u679c\u540c\u65f6\u63d0\u4f9b output \u548c return_var \u53c2\u6570\uff0c \u547d\u4ee4\u6267\u884c\u540e\u7684\u8fd4\u56de\u72b6\u6001\u4f1a\u88ab\u5199\u5165\u5230\u6b64\u53d8\u91cf\u3002\uff080\u4e3a\u6210\u529f\uff0c\u5176\u4ed6\u503c\u4e3a\u5931\u8d25\uff09<\/p>\n
exec( )\u4f7f\u7528
\n\u5728php\u4e2d\u4f7f\u7528\u4e86\u8be5\u65b9\u6cd5\uff0c\u5728\u6d4f\u89c8\u5668\u4e2d\u6ca1\u6709\u53cd\u5e94\uff0c\u4f46\u662f\u5728\u63a7\u5236\u53f0\u76f4\u63a5\u6267\u884c\u547d\u4ee4\u662f\u53ef\u4ee5\u7684\u3002 \u5c06\u547d\u4ee4\u5199\u5728test.php\u6587\u4ef6\u5185\uff0c\u5728\u63a7\u5236\u901a\u8fc7\u547d\u4ee4 php test.php\u6267\u884c\u4e5f\u662f\u6210\u529f\u7684\u3002\uff08\u8be5\u73b0\u8c61\u5e94\u8be5\u662fCGI\u6a21\u5f0f\u4e0b\u548cCLI\u6a21\u5f0f\u4e0b\u6267\u884c\u7684\u533a\u522b\uff09<\/p>\n
\uff08\u7528\u6d4f\u89c8\u5668\u6267\u884c\uff0c\u5c31\u53ea\u80fd\u662fCGI\u6a21\u5f0f\uff0ccli\u9700\u8981\u5728\u7ec8\u7aef\u6267\u884c\uff09<\/p>\n
exec(‘mysql -u root -proot -Dtest<test.sql’,$out,$status);
\n\u8fd9\u6837\u5199\u662f\u4e0d\u4f1a\u663e\u793a\u9519\u8bef\u4fe1\u606f\u7684\uff0c\u53ef\u5728\u547d\u4ee4\u540e\u8fb9\u6dfb\u52a0 \u201c2>&1\u201d \u5c06\u9519\u8bef\u663e\u793a\u51fa\u6765\u3002\u5982\u4e0b\uff1a<\/p>\n
exec(‘mysql -u root -proot -Dtest<test.sql 2>&1’,$out,$status);
\n\u8fd8\u6709\u5728php\u6267\u884c\u8fd4\u56de\u9519\u8bef\u4e3a\u4e71\u7801\uff0c\u5728\u63a7\u5236\u53f0\u6267\u884c\u53ef\u4ee5\u6b63\u786e\u663e\u793a\u7684\u95ee\u9898\uff0c\u6709\u5f85\u5b66\u4e60<\/p>\n
<?php \u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014 https:\/\/blog.csdn.net\/sin…<\/p>\n
\n<\/span>function\u00a0<\/span>execInBackground<\/span>(<\/span>$cmd<\/span>) {
\nif (<\/span>substr<\/span>(<\/span>php_uname<\/span>(),\u00a0<\/span>0<\/span>,\u00a0<\/span>7<\/span>) ==\u00a0<\/span>“Windows”<\/span>){
\n<\/span>pclose<\/span>(<\/span>popen<\/span>(<\/span>“start \/B “<\/span>.\u00a0<\/span>$cmd<\/span>,\u00a0<\/span>“r”<\/span>));
\n}
\nelse {
\n<\/span>exec<\/span>(<\/span>$cmd\u00a0<\/span>.\u00a0<\/span>” > \/dev\/null &”<\/span>);
\n}
\n}
\n<\/span>?>
\n<\/span>
\nThis works perfectly with e.g.
\n<?php
\nexecInBackground<\/span>(<\/span>‘del c:\\tmp\\*.*’<\/span>)
\n<\/span>?><\/span><\/p>\n
\n\u7248\u6743\u58f0\u660e\uff1a\u672c\u6587\u4e3aCSDN\u535a\u4e3b\u300cWQN_\u300d\u7684\u539f\u521b\u6587\u7ae0\uff0c\u9075\u5faaCC 4.0 BY-SA\u7248\u6743\u534f\u8bae\uff0c\u8f6c\u8f7d\u8bf7\u9644\u4e0a\u539f\u6587\u51fa\u5904\u94fe\u63a5\u53ca\u672c\u58f0\u660e\u3002
\n\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/blog.csdn.net\/sinat_29862853\/java\/article\/details\/85253384<\/p>\n","protected":false},"excerpt":{"rendered":"