How to use loop method of runner class

Best Atoum code snippet using runner.loop

JobRunnerPipeline.php

Source:JobRunnerPipeline.php

1<?php2class JobRunnerPipeline {3	/** @var RedisJobService */4	protected $srvc;5	/** @var array (loop ID => slot ID => slot status array) */6	protected $procMap = [];7	/**8	 * @param RedisJobService $service9	 */10	public function __construct( RedisJobService $service ) {11		$this->srvc = $service;12	}13	/**14	 * @param string $loop15	 * @param int $slot16	 */17	public function initSlot( string $loop, int $slot ) {18		$this->procMap[$loop][$slot] = [19			'handle'  => false,20			'pipes'   => [],21			'db'      => null,22			'type'    => null,23			'cmd'     => null,24			'stime'   => 0,25			'sigtime' => 0,26			'stdout' => '',27			'stderr' => ''28		];29	}30	/**31	 * @param integer $loop32	 * @param array $prioMap33	 * @param array $pending34	 * @return array35	 */36	public function refillSlots( int $loop, array $prioMap, array &$pending ) : array {37		$free = 0;38		$new = 0;39		$host = gethostname();40		$cTime = time();41		foreach ( $this->procMap[$loop] as $slot => &$procSlot ) {42			$status = $procSlot['handle'] ? proc_get_status( $procSlot['handle'] ) : null;43			if ( $status ) {44				// Keep reading in any output (nonblocking) to avoid process lockups45				$procSlot['stdout'] .= fread( $procSlot['pipes'][1], 65535 );46				$procSlot['stderr'] .= fread( $procSlot['pipes'][2], 65535 );47			}48			if ( $status && $status['running'] ) {49				$maxReal = isset( $this->srvc->maxRealMap[$procSlot['type']] )50					? $this->srvc->maxRealMap[$procSlot['type']]51					: $this->srvc->maxRealMap['*'];52				$age = $cTime - $procSlot['stime'];53				if ( $age >= $maxReal && !$procSlot['sigtime'] ) {54					$cmd = $procSlot['cmd'];55					$this->srvc->error( "Runner loop $loop process in slot $slot timed out " .56						"[{$age}s; max: {$maxReal}s]:\n$cmd" );57					posix_kill( $status['pid'], SIGTERM ); // non-blocking58					$procSlot['sigtime'] = time();59					$this->srvc->incrStats( 'runner-status.timeout' );60				} elseif ( $age >= $maxReal && ( $cTime - $procSlot['sigtime'] ) > 5 ) {61					$this->srvc->error( "Runner loop $loop process in slot $slot sent SIGKILL." );62					$this->closeRunner( $loop, $slot, $procSlot, SIGKILL );63					$this->srvc->incrStats( 'runner-status.kill' );64				} else {65					continue; // slot is busy66				}67			} elseif ( $status && !$status['running'] ) {68				// $result will be an array if no exceptions happened69				$result = json_decode( trim( $procSlot['stdout'] ), true );70				if ( $status['exitcode'] == 0 && is_array( $result ) ) {71					// If this finished early, lay off of the queue for a while72					if ( ( $cTime - $procSlot['stime'] ) < $this->srvc->hpMaxTime/2 ) {73						unset( $pending[$procSlot['type']][$procSlot['db']] );74						$this->srvc->debug( "Queue '{$procSlot['db']}/{$procSlot['type']}' emptied." );75					}76					$ok = 0; // jobs that ran OK77					foreach ( $result['jobs'] as $status ) {78						$ok += ( $status['status'] === 'ok' ) ? 1 : 0;79					}80					$failed = count( $result['jobs'] ) - $ok;81					$this->srvc->incrStats( "pop.{$procSlot['type']}.ok.{$host}", $ok );82					$this->srvc->incrStats( "pop.{$procSlot['type']}.failed.{$host}", $failed );83				} else {84					// Mention any serious errors that may have occured85					$cmd = $procSlot['cmd'];86					if ( $procSlot['stderr'] ) {87						$error = $procSlot['stderr'];88						$cmd .= ' STDERR:';89					} else {90						$error = $procSlot['stdout'];91						$cmd .= ' STDOUT:';92					}93					// if ( strlen( $error ) > 4096 ) { // truncate long errors94					// 	$error = mb_substr( $error, 0, 4096 ) . '...';95					// }96					$this->srvc->error( "Runner loop $loop process in slot $slot " .97						"gave status '{$status['exitcode']}':\n$cmd\n\t$error" );98					$this->srvc->incrStats( 'runner-status.error' );99				}100				$this->closeRunner( $loop, $slot, $procSlot );101			} elseif ( !$status && $procSlot['handle'] ) {102				$this->srvc->error( "Runner loop $loop process in slot $slot gave no status." );103				$this->closeRunner( $loop, $slot, $procSlot );104				$this->srvc->incrStats( 'runner-status.none' );105			}106			++$free;107			$queue = $this->selectQueue( $loop, $prioMap, $pending );108			if ( !$queue ) {109				break;110			}111			// Spawn a job runner for this loop ID112			$highPrio = $prioMap[$loop]['high'];113			$this->spawnRunner( $loop, $slot, $highPrio, $queue, $procSlot );114			++$new;115		}116		unset( $procSlot );117		return [ $free, $new ];118	}119	/**120	 * @param integer $loop121	 * @param array $prioMap122	 * @param array $pending123	 * @return array|boolean124	 */125	protected function selectQueue( int $loop, array $prioMap, array $pending ) {126		$include = $this->srvc->loopMap[$loop]['include'];127		$exclude = $this->srvc->loopMap[$loop]['exclude'];128		if ( $prioMap[$loop]['high'] ) {129			$exclude = array_merge( $exclude, $this->srvc->loopMap[$loop]['low-priority'] );130		} else {131			$include = array_merge( $include, $this->srvc->loopMap[$loop]['low-priority'] );132		}133		if ( in_array( '*', $include ) ) {134			$include = array_merge( $include, array_keys( $pending ) );135		}136		$candidateTypes = array_diff( array_unique( $include ), $exclude, [ '*' ] );137		$candidates = []; // list of (type, db)138		// Flatten the tree of candidates into a flat list so that a random139		// item can be selected, weighing each queue (type/db tuple) equally.140		foreach ( $candidateTypes as $type ) {141			if ( isset( $pending[$type] ) ) {142				foreach ( $pending[$type] as $db => $since ) {143					$candidates[] = [ $type, $db ];144				}145			}146		}147		if ( !count( $candidates ) ) {148			return false; // no jobs for this type149		}150		return $candidates[mt_rand( 0, count( $candidates ) - 1 )];151	}152	/**153	 * @param integer $loop154	 * @param integer $slot155	 * @param bool $highPrio156	 * @param array $queue157	 * @param array $procSlot158	 * @return bool159	 */160	protected function spawnRunner( int $loop, int $slot, bool $highPrio, array $queue, array &$procSlot ) : bool {161		// Pick a random queue162		list( $type, $db ) = $queue;163		$maxtime = $highPrio ? $this->srvc->lpMaxTime : $this->srvc->hpMaxTime;164		$maxmem = isset( $this->srvc->maxMemMap[$type] )165			? $this->srvc->maxMemMap[$type]166			: $this->srvc->maxMemMap['*'];167		// Make sure the runner is launched with various time/memory limits.168		// Nice the process so things like ssh and deployment scripts are fine.169		$what = $with = [];170		foreach ( compact( 'db', 'type', 'maxtime', 'maxmem' ) as $k => $v ) {171			$what[] = "%($k)u";172			$with[] = rawurlencode( $v );173			$what[] = "%($k)x";174			$with[] = escapeshellarg( $v );175		}176		// The dispatcher might be runJobs.php, curl, or wget177		$cmd = str_replace( $what, $with, $this->srvc->dispatcher );178		$descriptors = [179			0 => [ "pipe", "r" ], // stdin (child)180			1 => [ "pipe", "w" ], // stdout (child)181			2 => [ "pipe", "w" ] // stderr (child)182		];183		$this->srvc->debug( "Spawning runner in loop $loop at slot $slot ($type, $db):\n\t$cmd." );184		// Start the runner in the background185		$procSlot['handle'] = proc_open( $cmd, $descriptors, $procSlot['pipes'] );186		if ( $procSlot['handle'] ) {187			// Make sure socket reads don't wait for data188			stream_set_blocking( $procSlot['pipes'][1], 0 );189			stream_set_blocking( $procSlot['pipes'][2], 0 );190			// Set a timeout so stream_get_contents() won't block for sanity191			stream_set_timeout( $procSlot['pipes'][1], 1 );192			stream_set_timeout( $procSlot['pipes'][2], 1 );193			// Close the unused STDIN pipe194			fclose( $procSlot['pipes'][0] );195			unset( $procSlot['pipes'][0] ); // unused196		}197		$procSlot['db'] = $db;198		$procSlot['type'] = $type;199		$procSlot['cmd'] = $cmd;200		$procSlot['stime'] = time();201		$procSlot['sigtime'] = 0;202		$procSlot['stdout'] = '';203		$procSlot['stderr'] = '';204		if ( $procSlot['handle'] ) {205			return true;206		} else {207			$this->srvc->error( "Could not spawn process in loop $loop: $cmd" );208			$this->srvc->incrStats( 'runner-status.error' );209			return false;210		}211	}212	/**213	 * @param integer $loop214	 * @param integer $slot215	 * @param array $procSlot216	 * @param int|null $signal217	 */218	protected function closeRunner( int $loop, int $slot, array &$procSlot, int $signal = null ) {219		if ( $procSlot['pipes'] ) {220			if ( $procSlot['pipes'][1] !== false ) {221				fclose( $procSlot['pipes'][1] );222				$procSlot['pipes'][1] = false;223			}224			if ( $procSlot['pipes'][2] !== false ) {225				fclose( $procSlot['pipes'][2] );226				$procSlot['pipes'][2] = false;227			}228		}229		if ( $procSlot['handle'] ) {230			$this->srvc->debug( "Closing process in loop $loop at slot $slot." );231			if ( $signal !== null ) {232				// Tell the process to close with a signal233				proc_terminate( $procSlot['handle'], $signal );234			} else {235				// Wait for the process to finish on its own236				proc_close( $procSlot['handle'] );237			}238		}239		$procSlot['handle'] = false;240		$procSlot['db'] = null;241		$procSlot['type'] = null;242		$procSlot['stime'] = 0;243		$procSlot['sigtime'] = 0;244		$procSlot['cmd'] = null;...

redisJobRunnerService

Source:redisJobRunnerService

...11	/**12	 * @throws Exception13	 */14	public function main() {15		$this->notice( "Starting job spawner loop(s)..." );16		$host = gethostname();17		$prioMap = []; // map of (id => (current priority, since))18		$pipeline = new JobRunnerPipeline( $this );19		foreach ( $this->loopMap as $loop => $info ) {20			for ( $i=0; $i < $info['runners']; ++$i ) {21				$pipeline->initSlot( $loop, $i );22				$prioMap[$loop] = [ 'high' => (bool)mt_rand( 0, 1 ), 'since' => time() ];23			}24			$this->notice( "Initialized loop $loop with {$info['runners']} runner(s)." );25		}26		// Setup signal handlers...27		$handlerFunc = function( $signo ) use ( $pipeline ) {28			print "Caught signal ($signo)\n";29			$pipeline->terminateSlots();30			exit( 0 );31		};32		$ok = pcntl_signal( SIGHUP, $handlerFunc )33			&& pcntl_signal( SIGINT, $handlerFunc )34			&& pcntl_signal( SIGTERM, $handlerFunc );35		if ( !$ok ) {36			throw new Exception( 'Could not install signal handlers.' );37		}38		$memLast = memory_get_usage();39		$this->incrStats( "start-runner.$host" );40		while ( true ) {41			pcntl_signal_dispatch();42			$prioSwitches = 0;43			$anyNew = 0;44			$anyFree = 0;45			// Get the list of ready queues46			$pending =& $this->getReadyQueueMap();47			if ( !count( $pending ) ) {48				$this->debug( "No jobs available..." );49				$this->incrStats( "idle.$host" );50				usleep( 100000 ); // no jobs51				continue;52			}53			// Spawn new runners as slots become available54			foreach ( $prioMap as $loop => &$loopPriority ) {55				$this->debug( "Checking runner loop $loop..." );56				// Implement high/low priority via time-sharing57				if ( $loopPriority['high']58					&& ( time() - $loopPriority['since'] ) > $this->lpMaxDelay59				) {60					$loopPriority['high'] = false;61					$loopPriority['since'] = time();62					$this->debug( "Runner loop $loop now in low priority." );63					++$prioSwitches;64				} elseif ( !$loopPriority['high']65					&& ( time() - $loopPriority['since'] ) > $this->hpMaxDelay66				) {67					$loopPriority['high'] = true;68					$loopPriority['since'] = time();69					$this->debug( "Runner loop $loop now in high priority." );70					++$prioSwitches;71				}72				// Find any free slots and replace them with new processes73				list( $free, $new ) = $pipeline->refillSlots( $loop, $prioMap, $pending );74				$anyFree += $free;75				$anyNew += $new;76				// Rotate the priority from high/low and back if no jobs were found77				if ( !$free ) {78					$this->debug( "Runner loop $loop is full." );79				} elseif ( !$new ) {80					if ( $loopPriority['high'] ) {81						$loopPriority['high'] = false;82						$this->debug( "Runner loop $loop now in low priority." );83					} else {84						$loopPriority['high'] = true;85						$this->debug( "Runner loop $loop now in high priority." );86					}87					$loopPriority['since'] = time();88					$this->debug( "Runner loop $loop has no jobs." );89					++$prioSwitches;90				} else {91					$this->debug( "Done checking loop $loop." );92				}93			}94			unset( $loopPriority );95			$this->incrStats( "spawn.$host", $anyNew );96			$this->incrStats( "prioritychange.$host", $prioSwitches );97			// Backoff if there is nothing to do98			if ( !$anyFree ) {99				$this->debug( "All runner loops full." );100				$this->incrStats( "all-full.$host" );101				usleep( 100000 );102			} elseif ( !$anyNew ) {103				$this->debug( "Loops have free slots, but there are no appropriate jobs." );104				$this->incrStats( "some-full.$host" );105				usleep( 100000 );106			}107			// Track memory usage108			$memCurrent = memory_get_usage();109			$this->debug( "Memory usage: $memCurrent bytes." );110			$this->incrStats( "memory.$host", $memCurrent - $memLast );111			$this->sendStats();112			$memLast = $memCurrent;113		}...

WorkerCommand.php

Source:WorkerCommand.php

1<?php2declare (strict_types=1);3namespace Rector\Core\Console\Command;4use RectorPrefix20211231\Clue\React\NDJson\Decoder;5use RectorPrefix20211231\Clue\React\NDJson\Encoder;6use RectorPrefix20211231\React\EventLoop\StreamSelectLoop;7use RectorPrefix20211231\React\Socket\ConnectionInterface;8use RectorPrefix20211231\React\Socket\TcpConnector;9use Rector\Parallel\WorkerRunner;10use RectorPrefix20211231\Symfony\Component\Console\Input\InputInterface;11use RectorPrefix20211231\Symfony\Component\Console\Output\OutputInterface;12use RectorPrefix20211231\Symplify\EasyParallel\Enum\Action;13use RectorPrefix20211231\Symplify\EasyParallel\Enum\ReactCommand;14/**15 * Inspired at: https://github.com/phpstan/phpstan-src/commit/9124c66dcc55a222e21b1717ba5f60771f7dda9216 * https://github.com/phpstan/phpstan-src/blob/c471c7b050e0929daf432288770de673b394a983/src/Command/WorkerCommand.php17 *18 * âââ19 * https://github.com/phpstan/phpstan-src/commit/b84acd2e3eadf66189a64fdbc6dd18ff76323f67#diff-7f625777f1ce5384046df08abffd6c911cfbb1cfc8fcb2bdeaf78f337689e3e220 */21final class WorkerCommand extends \Rector\Core\Console\Command\AbstractProcessCommand22{23    /**24     * @readonly25     * @var \Rector\Parallel\WorkerRunner26     */27    private $workerRunner;28    public function __construct(\Rector\Parallel\WorkerRunner $workerRunner)29    {30        $this->workerRunner = $workerRunner;31        parent::__construct();32    }33    protected function configure() : void34    {35        $this->setDescription('(Internal) Support for parallel process');36        parent::configure();37    }38    protected function execute(\RectorPrefix20211231\Symfony\Component\Console\Input\InputInterface $input, \RectorPrefix20211231\Symfony\Component\Console\Output\OutputInterface $output) : int39    {40        $configuration = $this->configurationFactory->createFromInput($input);41        $streamSelectLoop = new \RectorPrefix20211231\React\EventLoop\StreamSelectLoop();42        $parallelIdentifier = $configuration->getParallelIdentifier();43        $tcpConnector = new \RectorPrefix20211231\React\Socket\TcpConnector($streamSelectLoop);44        $promise = $tcpConnector->connect('127.0.0.1:' . $configuration->getParallelPort());45        $promise->then(function (\RectorPrefix20211231\React\Socket\ConnectionInterface $connection) use($parallelIdentifier, $configuration) : void {46            $inDecoder = new \RectorPrefix20211231\Clue\React\NDJson\Decoder($connection, \true, 512, \JSON_INVALID_UTF8_IGNORE);47            $outEncoder = new \RectorPrefix20211231\Clue\React\NDJson\Encoder($connection, \JSON_INVALID_UTF8_IGNORE);48            // handshake?49            $outEncoder->write([\RectorPrefix20211231\Symplify\EasyParallel\Enum\ReactCommand::ACTION => \RectorPrefix20211231\Symplify\EasyParallel\Enum\Action::HELLO, \RectorPrefix20211231\Symplify\EasyParallel\Enum\ReactCommand::IDENTIFIER => $parallelIdentifier]);50            $this->workerRunner->run($outEncoder, $inDecoder, $configuration);51        });52        $streamSelectLoop->run();53        return self::SUCCESS;54    }55}...

loop

Using AI Code Generation

1$runner = new Runner();2$runner->runLoop();3$runner = new Runner();4$runner->runRecursive();5$runner = new Runner();6$runner->runRecursive();7$runner = new Runner();8$runner->runRecursive();9$runner = new Runner();10$runner->runRecursive();11$runner = new Runner();12$runner->runRecursive();13$runner = new Runner();14$runner->runRecursive();15$runner = new Runner();16$runner->runRecursive();17$runner = new Runner();18$runner->runRecursive();19$runner = new Runner();20$runner->runRecursive();21$runner = new Runner();22$runner->runRecursive();23$runner = new Runner();24$runner->runRecursive();25$runner = new Runner();26$runner->runRecursive();27$runner = new Runner();28$runner->runRecursive();29$runner = new Runner();30$runner->runRecursive();31$runner = new Runner();32$runner->runRecursive();33$runner = new Runner();34$runner->runRecursive();

loop

Using AI Code Generation

1$runner = new Runner();2$runner->run();3$runner = new Runner();4$runner->runRecursive();5$runner = new Runner();6$runner->runIterator();7$runner = new Runner();8$runner->runIteratorRecursive();9$runner = new Runner();10$runner->runIteratorRecursive2();11$runner = new Runner();12$runner->runIteratorRecursive3();13$runner = new Runner();14$runner->runIteratorRecursive4();15$runner = new Runner();16$runner->runIteratorRecursive5();17$runner = new Runner();18$runner->runIteratorRecursive6();19$runner = new Runner();20$runner->runIteratorRecursive7();21$runner = new Runner();22$runner->runIteratorRecursive8();23$runner = new Runner();24$runner->runIteratorRecursive9();25$runner = new Runner();26$runner->runIteratorRecursive10();27$runner = new Runner();28$runner->runIteratorRecursive11();29$runner = new Runner();30$runner->runIteratorRecursive12();31$runner = new Runner();32$runner->runIteratorRecursive13();33$runner = new Runner();

loop

Using AI Code Generation

1$runner = new Runner();2$runner->loop(10);3$runner->loop(20);4$runner->loop(30);5$runner->loop(40);6$runner->loop(50);7$runner->loop(60);8$runner->loop(70);9$runner->loop(80);10$runner->loop(90);11$runner->loop(100);12$runner = new Runner();13$runner->loop(10);14$runner->loop(20);15$runner->loop(30);16$runner->loop(40);17$runner->loop(50);18$runner->loop(60);19$runner->loop(70);20$runner->loop(80);21$runner->loop(90);22$runner->loop(100);23$runner = new Runner();24$runner->loop(10);25$runner->loop(20);26$runner->loop(30);27$runner->loop(40);28$runner->loop(50);29$runner->loop(60);30$runner->loop(70);31$runner->loop(80);32$runner->loop(90);33$runner->loop(100);34$runner = new Runner();35$runner->loop(10);36$runner->loop(20);37$runner->loop(30);38$runner->loop(40);39$runner->loop(50);40$runner->loop(60);41$runner->loop(70);42$runner->loop(80);43$runner->loop(90);44$runner->loop(100);45$runner = new Runner();46$runner->loop(10);47$runner->loop(20);48$runner->loop(30);49$runner->loop(40);50$runner->loop(50);51$runner->loop(60);52$runner->loop(70);53$runner->loop(80);54$runner->loop(90);55$runner->loop(100);56$runner = new Runner();57$runner->loop(10);58$runner->loop(20);59$runner->loop(30);60$runner->loop(40

loop

Using AI Code Generation

1$runner = new Runner();2$runner->loop(100, function($i){3    echo $i;4});5$runner = new Runner();6$runner->recursive(100, function($i){7    echo $i;8});9$runner = new Runner();10$runner->recursive2(100, function($i){11    echo $i;12});13$runner = new Runner();14$runner->recursive3(100, function($i){15    echo $i;16});17$runner = new Runner();18$runner->recursive4(100, function($i){19    echo $i;20});21$runner = new Runner();22$runner->recursive5(100, function($i){23    echo $i;24});25$runner = new Runner();26$runner->recursive6(100, function($i){27    echo $i;28});29$runner = new Runner();30$runner->recursive7(100, function($i){31    echo $i;32});33$runner = new Runner();34$runner->recursive8(100, function($i){35    echo $i;36});37$runner = new Runner();38$runner->recursive9(100, function($i){39    echo $i;40});41$runner = new Runner();42$runner->recursive10(100, function($i){43    echo $i;44});45$runner = new Runner();46$runner->recursive11(100, function($i){47    echo $i;48});49$runner = new Runner();

loop

Using AI Code Generation

1$runner = new Runner();2$runner->loop($runner->getRunner());3$runner = new Runner();4$runner->recursive($runner->getRunner());5$runner = new Runner();6$runner->callback($runner->getRunner());7$runner = new Runner();8$runner->array_walk_recursive($runner->getRunner());9$runner = new Runner();10$runner->array_map($runner->getRunner());11$runner = new Runner();12$runner->array_reduce($runner->getRunner());13$runner = new Runner();14$runner->array_filter($runner->getRunner());15$runner = new Runner();16$runner->array_reduce($runner->getRunner());17$runner = new Runner();18$runner->array_reduce($runner->getRunner());19$runner = new Runner();20$runner->array_reduce($runner->getRunner());21$runner = new Runner();22$runner->array_reduce($runner->getRunner());23$runner = new Runner();24$runner->array_reduce($runner->getRunner());25$runner = new Runner();26$runner->array_reduce($runner->getRunner());27$runner = new Runner();28$runner->array_reduce($runner->getRunner());29$runner = new Runner();

loop

Using AI Code Generation

1$runner = new Runner();2$runner->loop('2.php');3$runner = new Runner();4$runner->loop('3.php');5$runner = new Runner();6$runner->loop('4.php');7$runner = new Runner();8$runner->loop('5.php');9$runner = new Runner();10$runner->loop('6.php');11$runner = new Runner();12$runner->loop('7.php');13$runner = new Runner();14$runner->loop('8.php');15$runner = new Runner();16$runner->loop('9.php');17$runner = new Runner();18$runner->loop('10.php');19$runner = new Runner();20$runner->loop('11.php');21$runner = new Runner();22$runner->loop('12.php');23$runner = new Runner();24$runner->loop('13.php');25$runner = new Runner();26$runner->loop('14.php');

loop

Using AI Code Generation

1include_once("runner.php");2$runner = new runner();3$runner->loop();4class runner {5    public function loop() {6        $counter = 1;7        $sum = 0;8        $average = 0;9        $max = 0;10        $min = 0;11        $first = 0;12        $last = 0;13        $count = 0;

loop

Using AI Code Generation

1for (i=1;i<=10;i++){2echo "The number is " . $i . "<br>";3}4while (i<=10){5echo "The number is " . $i . "<br>";6$i++;7}8do {9echo "The number is " . $i . "<br>";10$i++;11} while (i<=10);12$colors = array("red", "green", "blue", "yellow"); 13foreach ($colors as $value) {14echo "$value <br>";15}16$colors = array("red", "green", "blue", "yellow"); 17foreach ($colors as $value) {18echo "$value <br>";19}20$colors = array("red", "green", "blue", "yellow"); 21foreach ($colors as $value) {22echo "$value <br>";23}24$colors = array("red", "green", "blue", "yellow"); 25foreach ($colors as $value) {26echo "$value <br>";27}

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