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run code in 300+ PHP versions simultaneously
<?php var_dump(hash_hmac("sha1", null, "secrete"));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: hash_hmac(): Passing null to parameter #2 ($data) of type string is deprecated in /in/uq7g9 on line 3 string(40) "18f76b6ebfbf77dab8ffead5d5e500a94778edbb"
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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
string(40) "18f76b6ebfbf77dab8ffead5d5e500a94778edbb"
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.1
Fatal error: Call to undefined function hash_hmac() in /in/uq7g9 on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: hash_hmac() in /in/uq7g9 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: hash_hmac() in /in/uq7g9 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: hash_hmac() in /in/uq7g9 on line 3

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226.53 ms | 401 KiB | 355 Q