3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(ini_get('memory_limit')); function memstat($file, $line) { echo sprintf( 'mem @ %s %d: %.2f MB (%.2f MB; peak: %.2f MB)' . PHP_EOL, $file, $line, memory_get_usage() /2**20, memory_get_usage(true) /2**20, memory_get_peak_usage() /2**20 ); } memstat(__FILE__, __LINE__); $str = str_pad('', 9999999, ' '); memstat(__FILE__, __LINE__); print 'end '.strlen($str);

preferences:
35.09 ms | 402 KiB | 5 Q