3v4l.org

run code in 300+ PHP versions simultaneously
<?php $testString = 'test'; $stream = fopen('php://memory', 'r+'); fwrite($stream, $testString); rewind($stream); $filter = stream_filter_append($stream, 'convert.base64-encode'); echo "encode - low-level - memory = " . stream_get_contents($stream) . PHP_EOL; $testString = 'dGVzdA=='; $stream = fopen('php://memory', 'r+'); fwrite($stream, $testString); rewind($stream); $filter = stream_filter_append($stream, 'convert.base64-decode'); echo "decode - low-level - memory = " . stream_get_contents($stream) . PHP_EOL; $testString = 'test'; $stream = fopen('php://temp', 'r+'); fwrite($stream, $testString); rewind($stream); $filter = stream_filter_append($stream, 'convert.base64-encode'); echo "encode - low-level - temp = " . stream_get_contents($stream) . PHP_EOL; $testString = 'dGVzdA=='; $stream = fopen('php://temp', 'r+'); fwrite($stream, $testString); rewind($stream); $filter = stream_filter_append($stream, 'convert.base64-decode'); echo "decode - low-level - temp = " . stream_get_contents($stream) . PHP_EOL;

preferences:
54.83 ms | 402 KiB | 5 Q