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<?php define('MYERROR', -1); function &f1() {return -1;} function &f2() {return MYERROR;} $v = f1(); $v = 2; var_dump($v); $v = f2(); $v = 2; var_dump($v);
Output for 4.4.0 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Notice: Only variable references should be returned by reference in /in/9LdkK on line 3 int(2) Notice: Only variable references should be returned by reference in /in/9LdkK on line 4 int(2)
Output for 4.3.0 - 4.3.11, 7.3.32 - 7.3.33
int(2) int(2)
Output for 5.0.0 - 5.0.5
Strict Standards: Only variable references should be returned by reference in /in/9LdkK on line 3 int(2) Strict Standards: Only variable references should be returned by reference in /in/9LdkK on line 4 int(2)
preferences:
153.78 ms | 409 KiB | 5 Q