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run code in 150+ php & hhvm versions
Bugs & Features
<?php class Test{ const AB♥ = "alphabet"; } $rc = new ReflectionClass("Test"); $const = array_keys( $rc->getConstants())[0]; // $substr = substr( $const, -1,1 ); $substr = mb_substr( $const, -1,1 ); // PHP 5.6 if ( $substr === "♥" ) { trigger_error(FATAL_ERROR, E_USER_ERROR . "\"♥\" in \"$key\"" ); } // Notice: "♥" in "AB ♥" …
based on bJtfs
Output for 5.6.8 - 5.6.28, 7.0.0 - 7.1.0
Notice: Use of undefined constant FATAL_ERROR - assumed 'FATAL_ERROR' in /in/Ee8Pv on line 8 Notice: Undefined variable: key in /in/Ee8Pv on line 8 Notice: A non well formed numeric value encountered in /in/Ee8Pv on line 8 Fatal error: FATAL_ERROR in /in/Ee8Pv on line 8
Process exited with code 255.
Output for hhvm-3.12.0
Notice: Use of undefined constant FATAL_ERROR - assumed 'FATAL_ERROR' in /in/Ee8Pv on line 8 Notice: Undefined variable: key in /in/Ee8Pv on line 8 Fatal error: FATAL_ERROR in /in/Ee8Pv on line 8
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.4.0 - 5.5.35
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Ee8Pv on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/Ee8Pv on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Ee8Pv on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Ee8Pv on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/Ee8Pv on line 2
Process exited with code 255.