3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(strtotime('')); var_dump(strtotime(' '));
Output for 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 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 - 8.3.7
bool(false) int(1533870613)
Output for 5.5.17, 7.0.25 - 7.0.31, 7.1.11 - 7.1.20
bool(false) int(1533870547)
Output for 5.2.4 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.32, 5.4.34 - 5.4.45, 5.5.0 - 5.5.16, 5.5.18 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.24, 7.1.0 - 7.1.10
bool(false) int(1508834741)
Output for 5.4.33
bool(false) int(1533870547) Failed loading opcache.so: opcache.so: cannot open shared object file: No such file or directory
Output for 5.1.2 - 5.1.6, 5.2.0 - 5.2.3
bool(false) bool(false)
Output for 5.1.0 - 5.1.1
int(1508834741) int(1508834741)
Output for 5.0.1 - 5.0.5
Warning: strtotime(): Called with an empty time parameter. in /in/HNaaY on line 3 int(-1) int(1508796000)
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0
Notice: strtotime(): Called with empty time parameter in /in/HNaaY on line 3 int(1508796000) int(1508796000)
Output for 4.3.0 - 4.3.1
Notice: strtotime() [http://www.php.net/function.strtotime]: Called with empty time parameter in /in/HNaaY on line 3 int(1508796000) int(1508796000)

preferences:
249.1 ms | 402 KiB | 410 Q