3v4l.org

run code in 300+ PHP versions simultaneously
<?php function hello(?string $string) { } hello();

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)
8.3.60.0150.00618.43
8.3.50.0100.01018.10
8.3.40.0100.00719.02
8.3.30.0090.00618.70
8.3.20.0090.00620.49
8.3.10.0040.00423.48
8.3.00.0040.00422.34
8.2.180.0160.00718.38
8.2.170.0120.00322.96
8.2.160.0070.00722.26
8.2.150.0030.00524.18
8.2.140.0060.00324.66
8.2.130.0080.00020.95
8.2.120.0070.00026.35
8.2.110.0100.00019.04
8.2.100.0090.00317.91
8.2.90.0000.00817.75
8.2.80.0040.00418.79
8.2.70.0000.00817.91
8.2.60.0060.00318.06
8.2.50.0040.00418.10
8.2.40.0000.00820.94
8.2.30.0050.00319.05
8.2.20.0040.00418.00
8.2.10.0050.00319.19
8.2.00.0080.00018.04
8.1.280.0130.00725.92
8.1.270.0030.00520.32
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0040.00420.85
8.1.230.0040.00717.64
8.1.220.0060.00317.74
8.1.210.0030.00518.77
8.1.200.0040.00417.38
8.1.190.0040.00416.88
8.1.180.0040.00418.10
8.1.170.0050.00318.62
8.1.160.0080.00018.82
8.1.150.0040.00418.75
8.1.140.0000.00720.32
8.1.130.0030.00320.21
8.1.120.0030.00417.37
8.1.110.0000.00717.30
8.1.100.0030.00617.28
8.1.90.0000.00717.27
8.1.80.0000.00717.22
8.1.70.0000.00717.36
8.1.60.0000.00717.46
8.1.50.0000.00817.42
8.1.40.0000.00717.40
8.1.30.0030.00617.60
8.1.20.0080.00017.62
8.1.10.0040.00417.48
8.1.00.0000.00817.30
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.38
8.0.270.0030.00317.17
8.0.260.0030.00320.04
8.0.250.0030.00316.95
8.0.240.0030.00616.99
8.0.230.0070.00016.96
8.0.220.0030.00316.88
8.0.210.0030.00316.87
8.0.200.0030.00316.96
8.0.190.0040.00416.92
8.0.180.0040.00416.90
8.0.170.0060.00316.82
8.0.160.0000.00716.92
8.0.150.0040.00416.78
8.0.140.0000.00716.83
8.0.130.0000.00613.27
8.0.120.0000.00716.75
8.0.110.0020.00516.87
8.0.100.0070.00016.78
8.0.90.0000.00816.88
8.0.80.0100.00716.76
8.0.70.0050.00216.87
8.0.60.0040.00416.68
8.0.50.0050.00316.90
8.0.30.0110.00816.91
8.0.20.0060.01217.24
8.0.10.0020.00516.99
8.0.00.0120.01116.64
7.4.330.0030.00315.55
7.4.320.0000.00716.38
7.4.300.0060.00016.53
7.4.290.0040.00416.44
7.4.280.0080.00016.45
7.4.270.0030.00316.52
7.4.260.0070.00016.54
7.4.250.0070.00016.32
7.4.240.0080.00016.49
7.4.230.0070.00016.63
7.4.220.0030.00516.63
7.4.210.0080.00716.39
7.4.200.0070.00016.57
7.4.160.0080.00816.48
7.4.140.0080.01017.86
7.4.130.0130.01016.64
7.4.120.0100.00716.45
7.4.110.0130.01016.40
7.4.100.0070.01116.52
7.4.90.0090.00916.54
7.4.80.0130.00419.39
7.4.70.0130.00616.39
7.4.60.0060.01216.48
7.4.50.0030.01416.35
7.4.40.0080.00816.31
7.4.10.0050.00914.78
7.4.00.0070.00914.84
7.3.330.0000.00613.26
7.3.320.0030.00313.31
7.3.310.0030.00316.41
7.3.300.0000.00716.31
7.3.290.0000.00816.30
7.3.280.0080.01016.27
7.3.260.0120.01616.47
7.3.240.0110.00716.36
7.3.230.0060.01116.32
7.3.210.0110.01416.25
7.3.200.0100.01016.25
7.3.190.0100.00716.30
7.3.180.0150.00416.57
7.3.170.0070.01016.55
7.3.160.0070.01016.52
7.3.130.0030.01214.76
7.3.120.0030.01415.01
7.3.110.0100.00315.04
7.3.100.0080.00614.75
7.3.90.0030.00914.65
7.3.80.0000.01114.66
7.3.70.0060.01014.65
7.3.60.0030.00614.85
7.3.50.0130.00014.63
7.3.40.0030.00614.70
7.3.30.0070.01014.64
7.3.20.0750.00815.39
7.3.10.0590.00615.29
7.3.00.0530.00915.29
7.2.330.0060.01316.51
7.2.320.0080.01716.44
7.2.310.0100.00716.54
7.2.300.0090.00616.40
7.2.290.0120.00916.43
7.2.260.0060.00914.58
7.2.250.0000.01715.16
7.2.240.0090.00614.68
7.2.230.0070.01014.95
7.2.220.0060.00915.07
7.2.210.0040.00714.96
7.2.200.0070.01014.96
7.2.190.0060.00914.85
7.2.180.0040.00714.82
7.2.170.0030.00914.57
7.2.160.0050.01114.90
7.2.150.0730.01015.55
7.2.140.0590.01215.42
7.2.130.0620.00815.48
7.2.120.0530.00815.49
7.2.110.0590.01015.52
7.2.100.0700.00715.47
7.2.90.0620.00915.41
7.2.80.0580.00515.42
7.2.70.0520.01215.60
7.2.60.0660.00715.52
7.2.50.0550.00815.43
7.2.40.0450.01015.38
7.2.30.0570.01015.44
7.2.20.0620.00615.53
7.2.10.0700.01015.36
7.2.00.0810.00815.48
7.1.330.0080.00315.71
7.1.320.0040.00415.56
7.1.310.0090.00615.54
7.1.300.0040.01115.66
7.1.290.0070.00715.59
7.1.280.0070.00715.43
7.1.270.0740.00714.36
7.1.260.0680.00914.33
7.1.250.0640.01114.35
7.1.240.0030.01015.51
7.1.230.0040.00715.60
7.1.220.0060.00915.39
7.1.210.0040.01115.68
7.1.200.0030.01015.62
7.1.190.0030.01015.50
7.1.180.0030.01415.59
7.1.170.0070.01015.72
7.1.160.0110.00715.61
7.1.150.0040.01115.53
7.1.140.0040.01115.43
7.1.130.0070.01015.75
7.1.120.0030.01315.55
7.1.110.0070.00715.66
7.1.100.0030.01015.70
7.1.90.0000.01215.75
7.1.80.0040.00715.78
7.1.70.0090.00615.61
7.1.60.0070.00315.50
7.1.50.0090.00015.68
7.1.40.0030.01015.27
7.1.30.0000.00815.34
7.1.20.0000.01415.39
7.1.10.0090.00015.69
7.1.00.0060.00615.52

preferences:
74.96 ms | 400 KiB | 5 Q