Online PHP editor | output for t76V9

<?php <?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 = fillArray( 0, 5 ); // Time json encoding $start = microtime( true ); json_encode( $testArray ); $jsonTime = microtime( true ) - $start; echo "JSON encoded in $jsonTime seconds<br>"; // Time serialization $start = microtime( true ); serialize( $testArray ); $serializeTime = microtime( true ) - $start; echo "PHP serialized in $serializeTime seconds<br>"; // Compare them if ( $jsonTime < $serializeTime ) { echo "json_encode() was roughly " . number_format( ($serializeTime / $jsonTime - 1 ) * 100, 2 ) . "% faster than serialize()"; } else if ( $serializeTime < $jsonTime ) { echo "serialize() was roughly " . number_format( ($jsonTime / $serializeTime - 1 ) * 100, 2 ) . "% faster than json_encode()"; } else { echo 'Unpossible!'; } 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'; }