The function returns theintnumber of bytes written to the file. When the write operation fails, it returnsfalseor falsy numbers. The code example below shows how to write a text to theexample.txtfile: file_put_contents("example.txt","Hello World!"); The code above will produce the follow...
在从“PHP writes data to temp file”到“php removes temp files(if any)”这两个操作之间的这段时间,我们可以包含这个临时文件,最后完成getshell操作。但这里面暗藏了一个大坑就是,临时文件的文件名我们是不知道的。 所以这个利用的条件就是,需要有一个地方能获取到文件名,例如phpinfo。phpinfo页面中会输出这...
class SplFileObject extends SplFileInfo implements RecursiveIterator, SeekableIterator { /* 常量 */ public const int DROP_NEW_LINE; public const int READ_AHEAD; public const int SKIP_EMPTY; public const int READ_CSV; /* 方法 */ public __construct( string $filename, string $mode = "r", ...
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Swoole\Runtime::enableCoroutine(); $s = microtime(true); Co\run(function() { // i just want to sleep... for ($c = 100; $c--;) { go(function () { for ($n = 100; $n--;) { usleep(1000); } }); } // 10K file read and write for ($c = 100; $c--;) { go(fun...
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readLines Iterate a file line by line File::readLines($fileHandle) Transform Iteration IteratorDescriptionCode Snippet tee Iterate duplicate iterators Transform::tee($data, $count) toArray Transform iterable to an array Transform::toArray($data) toAssociativeArray Transform iterable to an associative ...
1 function toFile($filename, $message) { 2 $file = fopen($filename, 'w'); 3 return fwrite($file, $message. ' ' . $message); 4 } 5 6 toFile('ch01.txt', 'Hello FP'); //-> writes 'Hello FP Hello FP' This simple thought process of creating parameterized functions to carry...
Click this widget to change the line separators. UTF-8 Shows the encoding used to view the current file. Click the widget to use another encoding. Column Indicates that the column selection mode is enabled for the current editor tab. You can press AltShiftInsert to toggle it. Click to ...
Click this widget to change the line separators. UTF-8 Shows the encoding used to view the current file. Click the widget to use another encoding. Column Indicates that the column selection mode is enabled for the current editor tab. You can press AltShiftInsert to toggle it. Click to ...