How to use seek method of vfsStreamFile class

Best VfsStream code snippet using vfsStreamFile.seek

vfsStreamFile.php

Source:vfsStreamFile.php Github

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...99 *100 * @since 0.9101 */102 public function open() {103 $this->seek(0, SEEK_SET);104 $this->lastAccessed = time();105 }106 /**107 * open file and set pointer to end of file108 *109 * @since 0.9110 */111 public function openForAppend() {112 $this->seek(0, SEEK_END);113 $this->lastAccessed = time();114 }115 /**116 * open file and truncate content117 *118 * @since 0.9119 */120 public function openWithTruncate() {121 $this->open();122 $this->content = '';123 $time = time();124 $this->lastAccessed = $time;125 $this->lastModified = $time;126 }127 /**128 * reads the given amount of bytes from content129 *130 * Using this method changes the time when the file was last accessed.131 *132 * @param int $count133 * @return string134 */135 public function read($count) {136 $data = substr($this->content, $this->bytes_read, $count);137 $this->bytes_read += $count;138 $this->lastAccessed = time();139 return $data;140 }141 /**142 * returns the content until its end from current offset143 *144 * Using this method changes the time when the file was last accessed.145 *146 * @return string147 */148 public function readUntilEnd() {149 $this->lastAccessed = time();150 return substr($this->content, $this->bytes_read);151 }152 /**153 * writes an amount of data154 *155 * Using this method changes the time when the file was last modified.156 *157 * @param string $data158 * @return amount of written bytes159 */160 public function write($data) {161 $dataLen = strlen($data);162 $this->content = substr($this->content, 0, $this->bytes_read) . $data . substr($this->content, $this->bytes_read + $dataLen);163 $this->bytes_read += $dataLen;164 $this->lastModified = time();165 return $dataLen;166 }167 /**168 * Truncates a file to a given length169 *170 * @param int $size length to truncate file to171 * @return bool172 * @since 1.1.0173 */174 public function truncate($size) {175 if ($size > $this->size()) {176 // Pad with null-chars if we're "truncating up"177 $this->setContent($this->getContent() . str_repeat("\0", $size - $this->size()));178 } else {179 $this->setContent(substr($this->getContent(), 0, $size));180 }181 $this->lastModified = time();182 return true;183 }184 /**185 * checks whether pointer is at end of file186 *187 * @return bool188 */189 public function eof() {190 return $this->bytes_read >= strlen($this->content);191 }192 /**193 * returns the current position within the file194 *195 * @return int196 */197 public function getBytesRead() {198 return $this->bytes_read;199 }200 /**201 * seeks to the given offset202 *203 * @param int $offset204 * @param int $whence205 * @return bool206 */207 public function seek($offset, $whence) {208 switch ($whence) {209 case SEEK_CUR:210 $this->bytes_read += $offset;211 return true;212 case SEEK_END:213 $this->bytes_read = strlen($this->content) + $offset;214 return true;215 case SEEK_SET:216 $this->bytes_read = $offset;217 return true;218 default:219 return false;220 }221 return false;...

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seek

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1require_once 'vfsStream/vfsStream.php';2{3 public function testSeek()4 {5 $root = vfsStream::setup();6 $file = vfsStream::newFile('foo.txt')->at($root);7 $file->setContent('0123456789');8 $file->seek(5);9 $this->assertEquals('5', $file->current());10 }11}12require_once 'vfsStream/vfsStream.php';13{14 public function testStreamGetContents()15 {16 $root = vfsStream::setup();17 $file = vfsStream::newFile('foo.txt')->at($root);18 $file->setContent('0123456789');19 $this->assertEquals('0123456789', $file->stream_get_contents());20 }21}22require_once 'vfsStream/vfsStream.php';23{24 public function testStreamGetLine()25 {26 $root = vfsStream::setup();27 $file = vfsStream::newFile('foo.txt')->at($root);28 $file->setContent("012345678929");30 $this->assertEquals('0123456789', $file->stream_get_line(10));31 }32}33require_once 'vfsStream/vfsStream.php';34{35 public function testStreamGetMetaData()36 {37 $root = vfsStream::setup();38 $file = vfsStream::newFile('foo.txt')->at($root);39 $file->setContent('0123456789');40 $this->assertEquals('foo.txt', $file->stream_get_meta_data('uri'));41 }42}43require_once 'vfsStream/vfsStream.php';44{

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seek

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1require_once 'vfsStream/vfsStream.php';2{3 protected $root;4 protected function setUp()5 {6 $this->root = vfsStream::setup('root');7 }8 public function testSeekMethod()9 {10 $file = vfsStream::newFile('file.txt')->at($this->root);11 $file->setContent('This is a test file');12 $file->seek(0, SEEK_SET);13 $this->assertEquals('T', $file->current());14 $file->seek(1, SEEK_CUR);15 $this->assertEquals(' ', $file->current());16 $file->seek(1, SEEK_END);17 $this->assertEquals('e', $file->current());18 }19}20OK (1 test, 3 assertions)21__construct() Constructor22__toString() Returns the content of the file as string23at() Sets the container of this file24chgrp() Changes the group of this file25chmod() Changes the mode of this file26chown() Changes the owner of this file27current() Returns the current character28getContent() Returns the content of the file as string29getContentAsString() Returns the content of the file as string30getContainer() Returns the container of this file31getName() Returns the name of the file32getSize() Returns the size of the file33getType() Returns the type of this file34isReadable() Returns whether this file is readable35isWritable() Returns whether this file is writable36next() Moves to the next character37rewind() Rewinds the file pointer38seek() Sets the file pointer to a given position39setContent() Sets the content of this file40setContainer() Sets the container of this file41setName() Sets the name of this file42setSize() Sets the size of this file43setTimes() Sets the last access and modification time of this file44valid() Returns whether the current character is valid

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seek

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1$root = vfsStreamWrapper::getRoot();2$root->getChild('test.txt')->seek(2);3echo $root->getChild('test.txt')->current();4$root = vfsStreamWrapper::getRoot();5echo $root->getChild('test.txt')->getContents();6$root = vfsStreamWrapper::getRoot();7$root->getChild('test.txt')->truncate(2);8echo $root->getChild('test.txt')->getContents();9$root = vfsStreamWrapper::getRoot();10$root->getChild('test.txt')->fwrite('abc');11echo $root->getChild('test.txt')->getContents();12$root = vfsStreamWrapper::getRoot();13$root->getChild('test.txt')->fwrite('abc');14echo $root->getChild('test.txt')->getContents();15$root = vfsStreamWrapper::getRoot();16$root->getChild('test.txt')->fwrite('abc');17echo $root->getChild('test.txt')->getContents();18$root = vfsStreamWrapper::getRoot();19$root->getChild('test.txt')->fwrite('abc');20echo $root->getChild('test.txt')->getContents();21$root = vfsStreamWrapper::getRoot();22$root->getChild('test.txt')->fwrite('abc');23echo $root->getChild('test.txt')->getContents();24$root = vfsStreamWrapper::getRoot();25$root->getChild('test.txt')->fwrite('abc');26echo $root->getChild('test.txt')->getContents();27$root = vfsStreamWrapper::getRoot();28$root->getChild('test.txt')->fwrite('abc');29echo $root->getChild('test.txt')->getContents();

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seek

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1$root = vfsStream::setup('root');2$foo = vfsStream::newFile('foo.txt')->withContent('foo content');3$root->addChild($foo);4$foo->seek(0);5$foo->seek(1);6$foo->seek(2);7$foo->seek(3);8$foo->seek(4);9$foo->seek(5);10$foo->seek(6);11$foo->seek(7);12$foo->seek(8);13$foo->seek(9);14$foo->seek(10);15$foo->seek(11);16$foo->seek(12);17$foo->seek(13);18$foo->seek(14);19$foo->seek(15);20$foo->seek(16);21$foo->seek(17);22$foo->seek(18);23$foo->seek(19);24$foo->seek(20);25$foo->seek(21);26$foo->seek(22);27$foo->seek(23);28$foo->seek(24);29$foo->seek(25);30$foo->seek(26);31$foo->seek(27);32$foo->seek(28);33$foo->seek(29);34$foo->seek(30);35$foo->seek(31);36$foo->seek(32);37$foo->seek(33);38$foo->seek(34);39$foo->seek(35);40$foo->seek(36);41$foo->seek(37);42$foo->seek(38);43$foo->seek(39);44$foo->seek(40);45$foo->seek(41);46$foo->seek(42);47$foo->seek(43);48$foo->seek(44);49$foo->seek(45);50$foo->seek(46);51$foo->seek(47);52$foo->seek(48);53$foo->seek(49);54$foo->seek(50);55$foo->seek(51);56$foo->seek(52);57$foo->seek(53);58$foo->seek(54);59$foo->seek(55);60$foo->seek(56);61$foo->seek(57);62$foo->seek(58);63$foo->seek(59);64$foo->seek(60);65$foo->seek(61);66$foo->seek(62);67$foo->seek(63);68$foo->seek(64);69$foo->seek(65);

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seek

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1$dir = vfsStream::url('exampleDir');2$fs = vfsStreamWrapper::getRoot();3$fs->getChild('exampleDir')->getChild('2.php')->seek(0);4$fs->getChild('exampleDir')->getChild('2.php')->write('test');5$fs->getChild('exampleDir')->getChild('2.php')->seek(0);6echo $fs->getChild('exampleDir')->getChild('2.php')->current();7$dir = vfsStream::url('exampleDir');8$fs = vfsStreamWrapper::getRoot();9$fs->getChild('exampleDir')->seek(0);10$fs->getChild('exampleDir')->write('test');11$fs->getChild('exampleDir')->seek(0);12echo $fs->getChild('exampleDir')->current();13$dir = vfsStream::url('exampleDir');14$fs = vfsStreamWrapper::getRoot();15$fs->seek(0);16$fs->write('test');17$fs->seek(0);18echo $fs->current();19$dir = vfsStream::url('exampleDir');20$fs = vfsStreamWrapper::getRoot();21$fs->getChild('exampleDir')->seek(0);22$fs->getChild('exampleDir')->write('test');23$fs->getChild('exampleDir')->seek(0);24echo $fs->getChild('exampleDir')->current();25$dir = vfsStream::url('exampleDir');26$fs = vfsStreamWrapper::getRoot();27$fs->seek(0);28$fs->write('test');29$fs->seek(0);30echo $fs->current();31$dir = vfsStream::url('exampleDir');32$fs = vfsStreamWrapper::getRoot();33$fs->seek(0);34$fs->write('test');35$fs->seek(0);36echo $fs->current();

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seek

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1fseek($handle, 3, SEEK_SET);2$contents = fread($handle, 5);3fclose($handle);4echo $contents;5Example 2: Using vfsStreamFile::seek() method to set file pointer to 3rd character from the end of the file6fseek($handle, 3, SEEK_END);7$contents = fread($handle, 5);8fclose($handle);9echo $contents;10Example 3: Using vfsStreamFile::seek() method to set file pointer to 3rd character from the current position of the file pointer11fseek($handle, 3, SEEK_CUR);12$contents = fread($handle, 5);13fclose($handle);14echo $contents;15Example 4: Using vfsStreamFile::seek() method to set file pointer to 3rd character from the beginning of the file16fseek($handle, 3);17$contents = fread($handle, 5);18fclose($handle

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seek

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1$root = vfsStreamWrapper::getRoot();2$root->getChild('1.php')->seek(0, SEEK_END);3$root->getChild('1.php')->write('4echo "appended text";');5$root->getChild('1.php')->seek(0, SEEK_SET);6$root->getChild('1.php')->write('echo "appended text";');7echo $root->getChild('1.php')->getContent();8$root = vfsStreamWrapper::getRoot();9$root->getChild('1.php')->seek(0, SEEK_END);10$root->getChild('1.php')->write('11echo "appended text";');12echo $root->getChild('1.php')->getContent();13$root = vfsStreamWrapper::getRoot();14$root->getChild('1.php')->seek(0, SEEK_END);15$root->getChild('1.php')->write('16echo "appended text";');17$root->getChild('1.php')->seek(0, SEEK_SET);18$root->getChild('1.php')->write('echo "appended text";');19echo $root->getChild('1.php')->getContent();20$root = vfsStreamWrapper::getRoot();21$root->getChild('1.php')->seek(0, SEEK_END);22$root->getChild('1.php')->write('23echo "appended text";');24$root->getChild('1.php')->seek(0, SEEK_SET);25$root->getChild('1.php')->write('echo "appended text";');26echo $root->getChild('1.php')->getContent();27$root = vfsStreamWrapper::getRoot();28$root->getChild('1.php')->seek(0, SEEK_END);29$root->getChild('1.php')->write('30echo "appended text";');31$root->getChild('1.php')->seek(0, SEEK_SET);32$root->getChild('1.php')->write('echo "appended text";');33echo $root->getChild('1.php')->getContent();34$root = vfsStreamWrapper::getRoot();

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