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run code in 300+ PHP versions simultaneously
<?php var_dump(IDNA_CHECK_CONTEXTO );
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Undefined constant "IDNA_CHECK_CONTEXTO" in /in/ADRZb:3 Stack trace: #0 {main} thrown in /in/ADRZb on line 3
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant IDNA_CHECK_CONTEXTO - assumed 'IDNA_CHECK_CONTEXTO' (this will throw an Error in a future version of PHP) in /in/ADRZb on line 3 string(19) "IDNA_CHECK_CONTEXTO"
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
Notice: Use of undefined constant IDNA_CHECK_CONTEXTO - assumed 'IDNA_CHECK_CONTEXTO' in /in/ADRZb on line 3 string(19) "IDNA_CHECK_CONTEXTO"

preferences:
184.05 ms | 402 KiB | 210 Q