php popen()方法使用示例
php popen()方法使用示例 [代码片段(17行)]
Its syntax is: int popen (string command, string mode)
command refers to the system command that will be executed,
mode refers to how you would use the popen() function to search a file:
<?
$fh = fopen('data.txt','w');
fputs($fh, 'A\n');
fputs($fh,'B\n');
fputs($fh,'C\n');
fclose($fh);
$fh =popen('grep B < data.txt', 'r');
fpassthru($fh);
?>
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