3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test{ const ABC♥ = "alphabet"; } $class = new ReflectionClass("Test"); $bad_char = "♥"; $constants = $class->getConstants(); $keys = array_keys($constants); for ( $i=0, $ct=count($keys); $i < $ct; $i++) { if ( strpos( $keys[$i], $bad_char) !== false ) { var_dump(mb_substr("♥", 0, )); var_dump(substr("♥", 0, )); trigger_error( "'$bad_char' in '$keys[$i]" ); }} // Notice: '♥' in 'ABC ♥' in …
Output for 7.3.16 - 7.3.33, 7.4.3 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(3) "♥" string(3) "♥" Notice: '♥' in 'ABC♥ in /in/CtkA7 on line 11
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.32, 7.2.29 - 7.2.33
Parse error: syntax error, unexpected ')' in /in/CtkA7 on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ')' in /in/CtkA7 on line 9
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/CtkA7 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/CtkA7 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/CtkA7 on line 2
Process exited with code 255.
preferences:
187.26 ms | 401 KiB | 255 Q