3v4l.org

run code in 300+ PHP versions simultaneously
<?php $list = []; for ($i = 0; $i < 100000; $i++) { $list[] = $i; } var_dump(memory_get_peak_usage() / 1024 / 1024);
Output for 8.5.0 - 8.5.1
float(2.4436798095703125)
Output for 8.4.1 - 8.4.14, 8.4.16
float(2.3730926513671875)
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.2.0 - 8.2.30, 8.3.0 - 8.3.29
float(2.373077392578125)
Output for 8.1.0 - 8.1.34
float(4.373374938964844)
Output for 8.0.1 - 8.0.30
float(4.372962951660156)
preferences:
134.26 ms | 412 KiB | 5 Q