3v4l.org

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

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)
8.3.60.0110.00818.55
8.3.50.0100.00716.36
8.3.40.0070.01118.72
8.3.30.0040.01118.61
8.3.20.0030.00720.78
8.3.10.0070.00021.78
8.3.00.0000.00820.89
8.2.180.0080.00818.38
8.2.170.0090.00922.96
8.2.160.0100.00322.27
8.2.150.0090.00624.18
8.2.140.0040.00424.66
8.2.130.0070.00022.12
8.2.120.0040.00426.35
8.2.110.0070.00421.98
8.2.100.0080.00417.59
8.2.90.0000.00819.16
8.2.80.0000.00817.97
8.2.70.0000.00817.38
8.2.60.0000.00817.91
8.2.50.0040.00418.10
8.2.40.0040.00422.07
8.2.30.0060.00320.79
8.2.20.0040.00417.92
8.2.10.0030.00517.81
8.2.00.0040.00417.97
8.1.280.0030.01425.92
8.1.270.0030.00522.14
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00323.92
8.1.230.0070.00322.10
8.1.220.0070.00017.74
8.1.210.0090.00018.77
8.1.200.0080.00317.10
8.1.190.0000.00817.10
8.1.180.0060.00318.10
8.1.170.0040.00418.55
8.1.160.0000.00718.87
8.1.150.0040.00420.48
8.1.140.0030.00519.40
8.1.130.0040.00818.75
8.1.120.0040.00417.35
8.1.110.0000.00717.27
8.1.100.0040.00417.38
8.1.90.0000.00817.34
8.1.80.0030.00317.24
8.1.70.0030.00317.36
8.1.60.0030.00617.54
8.1.50.0000.00817.38
8.1.40.0000.00817.43
8.1.30.0000.00717.62
8.1.20.0050.00317.49
8.1.10.0000.00817.39
8.1.00.0040.00417.23
8.0.300.0030.00518.77
8.0.290.0040.00416.58
8.0.280.0050.00218.31
8.0.270.0000.00717.16
8.0.260.0000.00816.57
8.0.250.0040.00416.90
8.0.240.0000.00816.84
8.0.230.0070.00016.76
8.0.220.0000.00716.76
8.0.210.0000.00716.72
8.0.200.0030.00516.68
8.0.190.0050.00316.77
8.0.180.0070.00016.76
8.0.170.0000.00716.78
8.0.160.0000.00716.79
8.0.150.0030.00316.66
8.0.140.0040.00416.73
8.0.130.0020.00513.27
8.0.120.0070.00016.73
8.0.110.0040.00416.66
8.0.100.0000.00716.87
8.0.90.0000.00716.73
8.0.80.0110.00616.74
8.0.70.0030.00516.62
8.0.60.0040.00416.82
8.0.50.0000.00716.81
8.0.30.0140.00516.87
8.0.20.0140.00617.40
8.0.10.0040.00416.90
8.0.00.0030.01416.61
7.4.330.0000.00415.55
7.4.320.0000.00616.51
7.4.300.0000.00616.32
7.4.290.0090.00316.50
7.4.280.0030.00516.55
7.4.270.0080.00016.55
7.4.260.0000.00713.16
7.4.250.0040.00416.48
7.4.240.0070.00016.38
7.4.230.0000.00716.42
7.4.220.0110.00716.52
7.4.210.0050.01116.38
7.4.200.0000.00716.23
7.4.160.0110.00516.47
7.4.150.0150.00617.40
7.4.140.0130.00417.86
7.4.130.0100.01416.45
7.4.120.0100.00816.43
7.4.110.0030.01416.39
7.4.100.0090.01216.58
7.4.90.0070.01116.42
7.4.80.0100.00719.39
7.4.70.0090.00616.26
7.4.60.0120.00416.44
7.4.50.0030.01416.29
7.4.40.0080.00816.59
7.4.30.0070.01016.34
7.4.10.0100.00914.95
7.4.00.0080.00715.01
7.3.330.0050.00013.23
7.3.320.0000.00613.23
7.3.310.0030.00316.33
7.3.300.0000.00716.20
7.3.290.0000.00716.09
7.3.280.0080.00716.17
7.3.270.0140.00317.40
7.3.260.0080.01116.30
7.3.250.0060.01216.27
7.3.240.0120.00716.25
7.3.230.0140.00416.16
7.3.210.0120.00616.28
7.3.200.0000.01716.32
7.3.190.0060.01316.41
7.3.180.0120.00416.23
7.3.170.0100.00716.19
7.3.160.0140.00716.20
7.3.130.0120.00614.83
7.3.120.0090.00814.59
7.3.110.0070.01014.65
7.3.100.0070.00814.64
7.3.90.0030.01014.59
7.3.80.0070.00914.63
7.3.70.0060.01014.73
7.3.60.0030.01214.67
7.3.50.0070.00714.77
7.3.40.0020.01214.65
7.3.30.0040.00814.79
7.3.20.0050.01116.48
7.3.10.0080.00816.52
7.3.00.0060.00916.47
7.2.330.0060.01216.55
7.2.320.0110.01216.60
7.2.310.0030.01516.52
7.2.300.0090.00616.52
7.2.290.0100.00616.35
7.2.260.0090.00914.75
7.2.250.0060.00815.00
7.2.240.0000.01114.42
7.2.230.0050.01214.82
7.2.220.0050.01014.69
7.2.210.0070.00814.93
7.2.200.0060.00914.98
7.2.190.0080.00714.69
7.2.180.0070.00414.78
7.2.170.0020.01214.62
7.2.160.0050.00814.89
7.2.150.0040.00916.56
7.2.140.0030.00916.72
7.2.130.0110.00616.53
7.2.120.0090.00816.61
7.2.110.0080.00916.58
7.2.100.0070.00816.55
7.2.90.0080.00716.68
7.2.80.0060.00716.56
7.2.70.0200.00516.52
7.2.60.0100.00516.63
7.2.50.0150.00816.61
7.2.40.0060.01016.64
7.2.30.0090.00816.77
7.2.20.0120.00516.66
7.2.10.0070.00916.64
7.2.00.0050.00817.18
7.1.330.0030.00915.62
7.1.320.0050.00715.50
7.1.310.0030.01015.59
7.1.300.0030.01215.65
7.1.290.0040.00915.70
7.1.280.0030.00715.63
7.1.270.0030.01115.52
7.1.260.0060.00915.79
7.1.250.0060.01115.73
7.1.240.0040.01215.83
7.1.230.0100.00715.75
7.1.220.0110.00515.63
7.1.210.0070.00715.61
7.1.200.0090.00915.57
7.1.190.0070.00515.56
7.1.180.0260.00215.59
7.1.170.0080.00715.89
7.1.160.0090.00915.64
7.1.150.0100.00415.70
7.1.140.0100.00315.72
7.1.130.0160.00715.61
7.1.120.0070.00415.71
7.1.110.0120.00315.61
7.1.100.0080.00616.44
7.1.90.0040.01515.83
7.1.80.0070.01015.71
7.1.70.0070.00316.21
7.1.60.0320.00821.58
7.1.50.0320.01121.44
7.1.40.0360.00921.35
7.1.30.0370.01021.43
7.1.20.0350.00821.28
7.1.10.0370.00815.33
7.1.00.0510.00915.29
7.0.330.0030.00715.04
7.0.320.0110.00415.22
7.0.310.0110.00415.05
7.0.300.0080.00615.02
7.0.290.0080.01015.39
7.0.280.0110.00915.25
7.0.270.0100.00515.35
7.0.260.0080.00515.24
7.0.250.0090.00615.24
7.0.240.0160.00815.36
7.0.230.0180.00815.03
7.0.220.0060.00715.28
7.0.210.0130.00215.38
7.0.200.0290.00715.06
7.0.190.0300.01015.00
7.0.180.0330.00714.88
7.0.170.0320.00614.96
7.0.160.0330.01114.99
7.0.150.0300.00614.98
7.0.140.0390.00615.00
7.0.130.0400.01014.90
7.0.120.0280.00915.10
7.0.110.0320.00815.04
7.0.100.0270.01214.87
7.0.90.0430.00614.82
7.0.80.0350.00315.04
7.0.70.0330.00614.95
7.0.60.0360.00714.87
7.0.50.0310.00615.08
7.0.40.0300.00713.95
7.0.30.0320.00613.98
7.0.20.0310.01013.78
7.0.10.0280.00813.88
7.0.00.0300.00913.83
5.6.400.0060.00314.25
5.6.390.0130.00614.22
5.6.380.0080.00514.22
5.6.370.0070.00314.21
5.6.360.0060.00814.21
5.6.350.0030.01013.95
5.6.340.0040.00814.10
5.6.330.0070.00714.30
5.6.320.0130.00313.98
5.6.310.0040.00713.93
5.6.300.0030.01014.20
5.6.290.0030.01014.01
5.6.280.0070.00314.12
5.6.270.0000.01114.11
5.6.260.0040.01214.22
5.6.250.0060.00614.18
5.6.240.0090.00914.30
5.6.230.0030.00714.05
5.6.220.0000.01213.93
5.6.210.0000.00914.11
5.6.200.0110.00014.02
5.6.190.0070.00314.23
5.6.180.0000.01314.09
5.6.170.0080.00313.95
5.6.160.0040.00413.88
5.6.150.0080.00514.10
5.6.140.0000.01314.09
5.6.130.0030.00614.09
5.6.120.0070.00714.08
5.6.110.0100.00314.08
5.6.100.0000.00914.05
5.6.90.0100.00313.93
5.6.80.0000.01513.80
5.6.70.0100.00614.20
5.6.60.0040.01414.14
5.6.50.0070.01013.90
5.6.40.0060.00614.20
5.6.30.0030.00814.09
5.6.20.0070.00713.89
5.6.10.0030.01014.02
5.6.00.0060.00614.00

preferences:
46.8 ms | 400 KiB | 5 Q