Online PHP editor | output for EX86b

@ 2024-04-28T18:14:00Z

<?php

ini_set( 'display_errors', 1 );
error_reporting( E_ALL );

//  Make a bit, honkin test array
//  You may need to adjust this depth to avoid memory limit errors
$testArray = [
    'string' => 'string',
    'int' => 1,
    'float' => 1.1,
    'bool' => true,
    'date' => new Datetime('now'),
    'array' => [
        'string' => 'string',
        'int' => 1,
        'float' => 1.1,
        'bool' => true,
        'date' => new Datetime('now'),
        'array' => [
            'string' => 'string',
            'int' => 1,
            'float' => 1.1,
            'bool' => true,
            'date' => new Datetime('now'),
        ],
    ],
    fillArray(0, 5)
];

$numRuns = 10000000;
//  Time json encoding
$start = microtime( true );
for ($i = 0; $i++; $i <= $numRuns) {
    json_encode( $testArray );
}

$jsonTime = (microtime( true ) - $start);
echo "JSON encoded in " . ($jsonTime/$numRuns) . " seconds\n";

//  Time serialization
$start = microtime( true );
for ($i = 0; $i++; $i <= $numRuns) {
    serialize( $testArray );
}

$serializeTime = (microtime( true ) - $start);
echo "PHP serialized in " . ($serializeTime/$numRuns) . " seconds\n";

//  Compare them
if ( $jsonTime < $serializeTime )
{
    echo "json_encode() was roughly " . number_format( ($serializeTime / $jsonTime - 1 ) * 100, 2 ) . "% faster than serialize()";
}
else if ( $serializeTime < $jsonTime )
{
    echo "serialize() was roughly " . ($serializeTime ? number_format( ($jsonTime / $serializeTime - 1) * 100, 2 ) . '%' : 'insanely') . " faster than json_encode()";
} else {
    echo 'This is a draw';
}

function fillArray( $depth, $max )
{
    static $seed;
    if ( is_null( $seed ) )
    {
        $seed = array( 'a', 2, 'c', 4, 'e', 6, 'g', 8, 'i', 10 );
    }
    if ( $depth < $max )
    {
        $node = array();
        foreach ( $seed as $key )
        {
            $node[$key] = fillArray( $depth + 1, $max );
        }
        return $node;
    }
    return 'empty';
}

Output for 8.1.2 - 8.1.4, 8.1.6, 8.1.9 - 8.1.10, 8.1.14, 8.1.16 - 8.1.17, 8.1.21, 8.1.23 - 8.1.24, 8.1.27 - 8.1.28, 8.1.30 - 8.1.31, 8.2.2 - 8.2.3, 8.2.5, 8.2.7, 8.2.9, 8.2.12, 8.2.14, 8.2.16 - 8.2.18, 8.2.24, 8.3.3, 8.3.5 - 8.3.6, 8.3.13, 8.4.1 - 8.4.2: JSON encoded in 9.5367431640625E-14 seconds PHP serialized in 0 seconds serialize() was roughly insanely faster than json_encode()
Output for 8.1.11 - 8.1.12, 8.2.0, 8.2.6, 8.2.20, 8.2.25, 8.3.19: JSON encoded in 9.5367431640625E-14 seconds PHP serialized in 9.5367431640625E-14 seconds This is a draw
Output for 8.2.21, 8.3.12, 8.3.15: JSON encoded in 9.5367431640625E-14 seconds PHP serialized in 1.1920928955078E-13 seconds json_encode() was roughly 25.00% faster than serialize()
Output for 8.3.14: JSON encoded in 1.1920928955078E-13 seconds PHP serialized in 1.1920928955078E-13 seconds This is a draw
Output for 8.3.8, 8.3.11: JSON encoded in 1.9073486328125E-13 seconds PHP serialized in 0 seconds serialize() was roughly insanely faster than json_encode()
Output for 8.1.13, 8.2.11, 8.2.26, 8.3.0 - 8.3.1, 8.3.10: JSON encoded in 1.1920928955078E-13 seconds PHP serialized in 0 seconds serialize() was roughly insanely faster than json_encode()
Output for 8.3.9: JSON encoded in 2.1457672119141E-13 seconds PHP serialized in 9.5367431640625E-14 seconds serialize() was roughly 125.00% faster than json_encode()
Output for 8.1.7, 8.1.15, 8.1.22, 8.2.8, 8.3.7: JSON encoded in 1.1920928955078E-13 seconds PHP serialized in 9.5367431640625E-14 seconds serialize() was roughly 25.00% faster than json_encode()
Output for 8.1.0 - 8.1.1, 8.1.5, 8.1.8, 8.1.20, 8.1.25 - 8.1.26, 8.2.1, 8.2.10, 8.2.13, 8.2.19, 8.2.22 - 8.2.23, 8.2.27, 8.3.2, 8.3.4: JSON encoded in 0 seconds PHP serialized in 0 seconds This is a draw
Output for 8.2.15: JSON encoded in 2.1457672119141E-13 seconds PHP serialized in 0 seconds serialize() was roughly insanely faster than json_encode()
Output for 8.2.4: JSON encoded in 1.9073486328125E-13 seconds PHP serialized in 1.1920928955078E-13 seconds serialize() was roughly 60.00% faster than json_encode()
Output for 8.1.18 - 8.1.19, 8.1.29: JSON encoded in 0 seconds PHP serialized in 9.5367431640625E-14 seconds Fatal error: Uncaught DivisionByZeroError: Division by zero in /in/EX86b:53 Stack trace: #0 {main} thrown in /in/EX86b on line 53
Process exited with code 255.

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