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<?php $s = ''; for($i=0;$i<1000;$i++) $s .= "abcdefgh"; var_dump(ereg_match('/[-_.0-9A-Za-z]{1,64}@[-_0-9A-Za-z]+[-_.0-9A-Za-z]+/', $s));
Output for 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, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Call to undefined function ereg_match() in /in/KAIQe:7 Stack trace: #0 {main} thrown in /in/KAIQe on line 7
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Call to undefined function ereg_match() in /in/KAIQe on line 7
Process exited with code 255.

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