3v4l.org

run code in 300+ PHP versions simultaneously
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Output for 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5
string(1) "1" string(3) "1.2" string(0) "" string(1) "A" Deprecated: strtoupper(): Passing null to parameter #1 ($string) of type string is deprecated in /in/gvXmr on line 7 string(0) "" string(1) "1" string(1) "1"
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30
string(1) "1" string(3) "1.2" string(0) "" string(1) "A" string(0) "" string(1) "1" string(1) "1"
preferences:
156.92 ms | 412 KiB | 5 Q