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run code in 500+ PHP versions simultaneously
<?php declare(strict_types = 1); function select1(int $offset = 0) { var_dump($offset); } function select2(?int $offset = 0) { var_dump($offset); } function select3(int $offset = null) { var_dump($offset); } function select4(?int $offset = null) { // same as select3 var_dump($offset); } select1(); select1(0); // select1(null); // <------ fails select2(); select2(0); select2(null); select3(); select3(0); select3(null); select4(); select4(0); select4(null);
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35
int(0) int(0) int(0) int(0) NULL NULL int(0) NULL NULL int(0) NULL
Output for 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
Deprecated: select3(): Implicitly marking parameter $offset as nullable is deprecated, the explicit nullable type must be used instead in /in/l1dlE on line 13 int(0) int(0) int(0) int(0) NULL NULL int(0) NULL NULL int(0) NULL
preferences:
35.73 ms | 1140 KiB | 9 Q