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| Description | | Author |
This package can store and retrieve objects or arrays in files.
It provides classes that open files and read or write values objects or arrays.
The classes use JSON as the format to store a serialized version of the arrays or objects. | |
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Innovation award
Nominee: 5x
Winner: 4x |
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Example
<?php
use HeavyObjects\Source\HeavyObject;
include_once('autoload.php');
$stream = fopen("php://temp", "rw+b");
$heavyObject = new HeavyObject($stream);
// Execute DB Query
$stmt = $db->select($sql);
// Load/Write/Update records to file
for ($i=0; $row = $stmt->fetch(PDO::FETCH_ASSOC); $i++) {
$heavyObject->write($row, $keys = "row:{$i}");
}
// Get/Read records from file
$key = 10;
$row = $heavyObject->read("row:{$key}");
echo '<pre>';
echo 'row:'; print_r($row);
echo 'Count:' . $heavyObject->count('row');
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Details
Heavy-Objects
Manage Heavy(RAM intensive) Array/Object Collections via single File in filesystem using limited RAM.
Examples
Memory usage by 1000 raw objects each with 100 keys (~12 MB)
<?php
$rows = [];
for ($i=0; $i<1000; $i++) {
$row = [];
for($j=0;$j<100;$j++) {
$row["Key{$j}"] = rand();
}
$rows[] = $row;
}
echo '<pre>';
echo memory_get_usage(); // 11,842,144 bytes
Memory usage by 1000 HeavyObjects each with 100 keys (~2.5 MB)
<?php
use HeavyObjects\Source\HeavyObject;
include_once('autoload.php');
$stream = fopen("php://temp", "rw+b");
$heavyObject = new HeavyObject($stream);
// Load/Write/Update records to file
for ($i=0; $i<1000; $i++) {
$row = [];
for($j=0;$j<100;$j++) {
$row["Key{$j}"] = rand();
}
$heavyObject->write($row, $keys = "row:{$i}");
}
echo '<pre>';
echo memory_get_usage(); // 2,659,224 bytes
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Applications that use this package |
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If you know an application of this package, send a message to the author to add a link here.
Download
Files
Install with Composer
autoload.php
