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run code in 300+ PHP versions simultaneously
<?php function counter() { static $c = 0; $c++; echo $c."\n"; return $c; } $cnt1 = counter(); $cnt1++; // this does not influence counter $cnt2 =& counter(); $cnt2++; // this does influence counter counter();
Output for 4.4.0 - 4.4.9, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
1 2 Notice: Only variables should be assigned by reference in /in/QNXfq on line 12 3
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.4, 7.3.32 - 7.3.33
1 2 3
Output for 5.0.5, 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, 5.6.7 - 5.6.28
1 2 Strict Standards: Only variables should be assigned by reference in /in/QNXfq on line 12 3
preferences:
272.42 ms | 403 KiB | 313 Q