3v4l.org

run code in 300+ PHP versions simultaneously
<?php function func () { static $loc = 0; global $globA; global $globB; $globA = $loc; $globB =& $loc; $loc++; } $globA = null; $globB = null; func(); var_dump($globA); var_dump($globB); func(); var_dump($globA); var_dump($globB); func(); var_dump($globA); var_dump($globB); func(); var_dump($globA); var_dump($globB);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.4.120.0100.01020.45
8.4.110.0050.00522.55
8.4.100.0120.00817.73
8.4.90.0100.01017.54
8.4.80.0040.00420.73
8.4.70.0050.00417.77
8.4.60.0120.00817.70
8.4.50.0110.00517.80
8.4.40.0110.00617.97
8.4.30.0100.01018.60
8.4.20.0060.01319.30
8.4.10.0030.00619.58
8.3.250.0110.00818.80
8.3.240.0050.00416.84
8.3.230.0110.00916.57
8.3.220.0130.00517.03
8.3.210.0130.00616.66
8.3.200.0100.00916.53
8.3.190.0120.00916.64
8.3.180.0140.00418.50
8.3.170.0140.00320.68
8.3.160.0120.00617.26
8.3.150.0160.00317.25
8.3.140.0030.00618.95
8.3.130.0050.00318.41
8.3.120.0090.00920.70
8.3.110.0050.00318.16
8.3.100.0040.00416.78
8.3.90.0070.00726.77
8.3.80.0040.00718.43
8.3.70.0090.01216.73
8.3.60.0110.00416.73
8.3.50.0150.00016.85
8.3.40.0100.00323.60
8.3.30.0140.00322.96
8.3.20.0070.00722.96
8.3.10.0120.00322.96
8.3.00.0120.00322.96
8.2.290.0120.00620.48
8.2.280.0140.00518.40
8.2.270.0070.01117.17
8.2.260.0000.00816.84
8.2.250.0030.00619.01
8.2.240.0060.01316.86
8.2.230.0090.00020.94
8.2.220.0050.00324.06
8.2.210.0000.00926.77
8.2.200.0040.00716.38
8.2.190.0090.00616.58
8.2.180.0120.00616.50
8.2.170.0030.01222.96
8.2.160.0090.00622.96
8.2.150.0120.00322.96
8.2.140.0030.01022.96
8.2.130.0110.00422.96
8.2.120.0120.00322.96
8.2.110.0090.00622.96
8.2.100.0040.01122.96
8.2.90.0090.00622.96
8.2.80.0090.00622.96
8.2.70.0080.00822.96
8.2.60.0120.00322.96
8.2.50.0040.01122.96
8.2.40.0100.00622.96
8.2.30.0080.00822.96
8.2.20.0120.00422.96
8.2.10.0040.01222.96
8.2.00.0060.01022.96
8.1.330.0110.00722.00
8.1.320.0100.00715.91
8.1.310.0040.00418.21
8.1.300.0120.00617.70
8.1.290.0040.00830.84
8.1.280.0100.01025.92
8.1.270.0080.00822.96
8.1.260.0150.00022.96
8.1.250.0090.00622.96
8.1.240.0080.00822.96
8.1.230.0150.00322.96
8.1.220.0100.00722.96
8.1.210.0150.00422.96
8.1.200.0120.00622.96
8.1.190.0130.00322.96
8.1.180.0120.00622.96
8.1.170.0060.01322.96
8.1.160.0100.00722.96
8.1.150.0110.00322.96
8.1.140.0120.00422.96
8.1.130.0030.01222.96
8.1.120.0030.01322.96
8.1.110.0150.00022.96
8.1.100.0130.00322.96
8.1.90.0000.01622.96
8.1.80.0130.00322.96
8.1.70.0110.00422.96
8.1.60.0030.01222.96
8.1.50.0120.00622.96
8.1.40.0060.01022.96
8.1.30.0130.00322.96
8.1.20.0070.00722.96
8.1.10.0060.00922.96
8.1.00.0150.00022.96

preferences:
25.98 ms | 403 KiB | 5 Q