3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($a) { fwrite($a, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'); fseek($a, 0); fwrite($a, '1234567890'); fseek($a, 0); var_dump(fread($a, 1024)); fclose($a); } $a = fopen('php://temp', 'a+'); test($a); echo '-------------------' . PHP_EOL; $a = fopen(tempnam(sys_get_temp_dir(), "hello"), 'a+'); test($a);
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
string(36) "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890" ------------------- string(36) "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890"
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(36) "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890" ------------------- string(36) "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890"
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33
string(26) "1234567890KLMNOPQRSTUVWXYZ" ------------------- string(36) "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890"
preferences:
169.19 ms | 402 KiB | 201 Q