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++) { $target = $keys[ $i ]; if ( strpos( $target, $bad_char) !== false ) { var_dump(substr($bad_char,0,1); var_dump(mb_substr($bad_char,0,1); trigger_error( "'$bad_char' in '$target'" ); }}
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
Parse error: syntax error, unexpected ';' in /in/OvQ2P on line 10
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ';' in /in/OvQ2P on line 10
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/OvQ2P 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/OvQ2P 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/OvQ2P on line 2
Process exited with code 255.
preferences:
221.4 ms | 1395 KiB | 123 Q