3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = array( 'value' => 123, 'value2'=>1234567890123456789 ); $enc = json_encode($data); $dec = json_decode( $enc, true ); //var_dump( ($data['value2'] === $dec['value2']) ); echo PHP_INT_MAX;
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
9223372036854775807

preferences:
135.08 ms | 403 KiB | 169 Q