3v4l.org

run code in 500+ PHP versions simultaneously
<?php function &Test() { global $foo; return $foo; } $foo = 1; $test = &Test(); $test++; var_dump($foo);

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)
8.5.90.0070.00717.75
8.5.80.0070.00617.68
8.5.70.0070.00618.50
8.5.60.0070.00416.83
8.5.50.0070.00417.52
8.5.40.0050.00418.44
8.5.30.0060.00218.90
8.5.20.0100.00619.20
8.5.10.0110.00616.64
8.5.00.0080.00818.15
8.4.240.0120.00520.41
8.4.230.0080.00420.33
8.4.220.0110.00521.39
8.4.210.0060.00520.31
8.4.200.0070.00519.34
8.4.190.0080.00321.44
8.4.180.0110.00720.37
8.4.170.0120.00522.64
8.4.160.0110.00721.62
8.4.150.0080.00418.34
8.4.140.0110.00518.39
8.4.130.0080.00718.52
8.4.120.0090.00420.84
8.4.110.0090.00719.94
8.4.100.0100.00619.08
8.4.90.0100.00619.10
8.4.80.0090.00719.33
8.4.70.0090.00718.71
8.4.60.0100.00618.19
8.4.50.0060.00418.15
8.4.40.0090.00719.17
8.4.30.0070.00319.82
8.4.20.0080.00818.96
8.4.10.0150.00519.32
8.3.330.0080.00318.37
8.3.320.0080.00819.11
8.3.310.0080.00819.16
8.3.300.0090.00720.36
8.3.290.0090.00620.09
8.3.280.0100.00519.23
8.3.270.0070.00817.67
8.3.260.0060.00717.36
8.3.250.0080.00618.69
8.3.240.0090.00517.59
8.3.230.0110.00417.25
8.3.220.0070.00718.84
8.3.210.0080.00417.47
8.3.200.0050.00516.58
8.3.190.0090.00517.83
8.3.180.0080.00516.52
8.3.170.0070.00817.91
8.3.160.0100.00517.54
8.3.150.0090.00517.87
8.3.140.0120.00316.63
8.3.130.0090.00617.15
8.3.120.0160.00516.52
8.3.110.0080.00817.12
8.3.100.0210.00417.13
8.3.90.0230.00216.98
8.3.80.0240.00317.21
8.3.70.0190.00716.31
8.3.60.0170.00916.48
8.3.50.0240.00216.55
8.3.40.0140.00617.47
8.3.30.0180.00417.36
8.3.20.0180.00417.31
8.3.10.0170.00417.52
8.3.00.0090.00518.07
8.2.330.0110.00417.93
8.2.320.0100.00719.75
8.2.310.0150.00417.95
8.2.300.0210.01018.39
8.2.290.0200.00818.53
8.2.280.0220.00817.47
8.2.270.0140.01016.72
8.2.260.0130.00416.77
8.2.250.0240.00516.44
8.2.240.0260.00416.50
8.2.230.0220.01016.38
8.2.220.0240.00716.36
8.2.210.0210.01016.38
8.2.200.0290.00516.49
8.2.190.0230.01016.50
8.2.180.0230.00316.48
8.2.170.0230.00817.67
8.2.160.0220.00817.47
8.2.150.0210.00817.45
8.2.140.0220.00817.30
8.2.130.0270.00617.45
8.2.120.0290.00418.07
8.2.110.0270.00618.04
8.2.100.0240.00617.44
8.2.90.0180.00717.69
8.2.80.0170.00817.38
8.2.70.0210.00417.97
8.2.60.0200.00317.89
8.2.50.0200.00517.38
8.2.40.0190.00417.37
8.2.30.0190.00717.43
8.2.20.0180.00417.98
8.2.10.0190.00417.55
8.2.00.0220.00317.88
8.1.340.0140.00617.53
8.1.330.0110.00719.06
8.1.320.0080.00416.96
8.1.310.0130.00315.95
8.1.300.0170.00815.98
8.1.290.0180.00416.21
8.1.280.0180.00616.57
8.1.270.0170.00917.21
8.1.260.0230.00217.44
8.1.250.0190.00717.17
8.1.240.0180.00317.29
8.1.230.0180.00417.87
8.1.220.0180.00517.89
8.1.210.0160.00517.80
8.1.200.0120.00717.77
8.1.190.0150.00417.22
8.1.180.0150.00517.23
8.1.170.0140.00617.15
8.1.160.0140.00717.26
8.1.150.0180.00617.93
8.1.140.0170.00817.14
8.1.130.0180.00517.27
8.1.120.0190.00517.32
8.1.110.0190.00717.24
8.1.100.0120.01017.96
8.1.90.0150.00917.95
8.1.80.0160.00817.74
8.1.70.0230.00517.82
8.1.60.0180.00617.56
8.1.50.0200.00517.30
8.1.40.0140.01018.03
8.1.30.0190.00518.17
8.1.20.0180.00618.19
8.1.10.0140.00617.35
8.1.00.0140.01217.13

preferences:
52.17 ms | 1047 KiB | 5 Q