3v4l.org

run code in 300+ PHP versions simultaneously
<?php // check if crc32 is available echo function_exists('crc32') ? 'crc32 is available' : 'crc32 is not available'; echo PHP_EOL; // check if crc32 is available through hash function echo in_array('crc32', hash_algos()) ? 'crc32 is available through hash function' : 'crc32 is not available through hash function'; echo PHP_EOL; // check if crc32 can be used with hash function echo hash('crc32', 'The quick brown fox jumped over the lazy dog') ? 'crc32 can be used with hash function' : 'crc32 cannot be used with hash function'; echo PHP_EOL;
Output for 5.1.2 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
crc32 is available crc32 is available through hash function crc32 can be used with hash function
Output for 5.0.2 - 5.0.5, 5.1.0 - 5.1.1
crc32 is available Fatal error: Call to undefined function hash_algos() in /in/3L6EJ on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.1
crc32 is available Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/3L6EJ on line 5 PHP_EOL Fatal error: Call to undefined function hash_algos() in /in/3L6EJ on line 8
Process exited with code 255.
Output for 4.4.5 - 4.4.9
crc32 is available Fatal error: Call to undefined function: hash_algos() in /in/3L6EJ on line 8
Process exited with code 255.
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.4
crc32 is available Fatal error: Call to undefined function: hash_algos() in /in/3L6EJ on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.9
crc32 is available Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/3L6EJ on line 5 PHP_EOL Fatal error: Call to undefined function: hash_algos() in /in/3L6EJ on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1
crc32 is available Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/3L6EJ on line 5 PHP_EOL Fatal error: Call to undefined function: hash_algos() in /in/3L6EJ on line 8

preferences:
119.32 ms | 413 KiB | 5 Q