3v4l.org

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

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)
8.3.60.0040.01518.43
8.3.50.0040.01116.63
8.3.40.0140.00418.84
8.3.30.0040.01118.44
8.3.20.0040.00420.34
8.3.10.0090.00021.60
8.3.00.0040.00420.76
8.2.180.0140.00318.46
8.2.170.0120.00322.96
8.2.160.0100.00722.31
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0050.00320.52
8.2.120.0050.00226.35
8.2.110.0090.00020.52
8.2.100.0090.00317.69
8.2.90.0000.00819.28
8.2.80.0000.00817.97
8.2.70.0000.01117.50
8.2.60.0040.00418.04
8.2.50.0040.00418.10
8.2.40.0040.00422.32
8.2.30.0040.00421.08
8.2.20.0040.00417.87
8.2.10.0000.00717.86
8.2.00.0030.00517.94
8.1.280.0110.01125.92
8.1.270.0070.00023.82
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00322.49
8.1.230.0070.00419.03
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0040.00417.22
8.1.190.0060.00317.23
8.1.180.0000.00818.10
8.1.170.0040.00418.65
8.1.160.0000.00718.91
8.1.150.0000.00718.74
8.1.140.0000.00719.43
8.1.130.0080.00018.79
8.1.120.0070.00017.30
8.1.110.0040.00417.22
8.1.100.0000.00717.30
8.1.90.0090.00017.30
8.1.80.0070.00017.23
8.1.70.0030.00317.33
8.1.60.0090.00017.50
8.1.50.0040.00417.45
8.1.40.0050.00317.34
8.1.30.0040.00417.51
8.1.20.0060.00317.55
8.1.10.0070.00017.50
8.1.00.0070.00017.35
8.0.300.0000.00718.77
8.0.290.0080.00016.63
8.0.280.0070.00018.38
8.0.270.0000.00717.06
8.0.260.0040.00416.82
8.0.250.0030.00316.94
8.0.240.0040.00416.73
8.0.230.0030.00416.96
8.0.220.0000.00616.92
8.0.210.0000.00716.90
8.0.200.0030.00316.98
8.0.190.0030.00516.88
8.0.180.0000.00716.92
8.0.170.0040.00416.91
8.0.160.0000.00716.89
8.0.150.0050.00316.84
8.0.140.0050.00216.85
8.0.130.0040.00313.37
8.0.120.0040.00416.89
8.0.110.0080.00016.85
8.0.100.0070.00016.95
8.0.90.0000.00816.70
8.0.80.0060.01016.88
8.0.70.0020.00516.84
8.0.60.0040.00416.84
8.0.50.0040.00416.99
8.0.30.0090.01117.24
8.0.20.0120.00817.40
8.0.10.0050.00316.88
8.0.00.0130.00616.60
7.4.330.0060.00015.55
7.4.320.0060.00016.28
7.4.300.0030.00316.54
7.4.290.0030.00316.42
7.4.280.0000.00816.43
7.4.270.0070.00016.54
7.4.260.0030.00616.41
7.4.250.0000.00716.48
7.4.240.0030.00316.48
7.4.230.0000.00716.52
7.4.220.0090.00916.49
7.4.210.0070.01416.52
7.4.200.0070.00016.50
7.4.160.0060.00916.46
7.4.150.0160.00317.40
7.4.140.0110.00817.86
7.4.130.0060.01616.39
7.4.120.0110.01316.52
7.4.110.0100.00716.44
7.4.100.0120.00616.37
7.4.90.0090.00916.41
7.4.80.0100.00719.39
7.4.70.0080.00816.41
7.4.60.0130.00316.45
7.4.50.0070.01016.55
7.4.40.0070.01016.29
7.4.30.0000.01516.52
7.4.00.0080.00914.95
7.3.330.0000.00513.36
7.3.320.0060.00013.25
7.3.310.0030.00316.32
7.3.300.0030.00316.27
7.3.290.0080.00816.23
7.3.280.0070.00916.26
7.3.270.0090.00917.40
7.3.260.0120.00516.43
7.3.250.0070.01016.30
7.3.240.0090.01216.25
7.3.230.0160.00716.46
7.3.210.0100.00716.34
7.3.200.0030.01316.21
7.3.190.0050.01016.48
7.3.180.0040.01216.21
7.3.170.0160.00316.35
7.3.160.0040.01216.45
7.3.120.0110.00714.74
7.3.110.0070.01014.94
7.3.100.0100.00514.93
7.3.90.0060.00614.62
7.3.80.0070.00714.66
7.3.70.0070.00414.81
7.3.60.0040.01014.71
7.3.50.0050.01114.73
7.3.40.0070.00514.88
7.3.30.0040.01014.85
7.3.20.0060.00816.48
7.3.10.0060.00916.71
7.3.00.0050.00916.73
7.2.330.0090.00916.55
7.2.320.0160.00016.60
7.2.310.0080.00816.54
7.2.300.0130.01016.59
7.2.290.0120.00916.39
7.2.250.0080.01114.75
7.2.240.0060.01315.09
7.2.230.0100.00714.67
7.2.220.0020.00814.74
7.2.210.0020.01214.72
7.2.200.0030.01014.79
7.2.190.0060.00814.75
7.2.180.0040.01014.82
7.2.170.0050.01014.97
7.2.60.0660.01015.07
7.2.00.0060.00619.20
7.1.330.0050.00815.62
7.1.320.0060.00615.71
7.1.310.0080.00615.74
7.1.300.0070.00915.70
7.1.290.0050.00915.67
7.1.280.0100.00515.57
7.1.270.0110.00115.71
7.1.260.0070.00715.73
7.1.200.0090.00615.55
7.1.100.0080.00317.96
7.1.70.0060.01216.97
7.1.60.0400.01333.21
7.1.50.0700.01332.92
7.1.40.0430.01032.43
7.1.30.0430.01032.44
7.1.20.0500.01032.57
7.1.10.0200.01714.55
7.1.00.0230.01714.48
7.0.200.0370.01014.69
7.0.190.0270.00714.83
7.0.180.0270.01014.36
7.0.170.0270.00714.36
7.0.160.0230.01314.32
7.0.150.0300.00714.39
7.0.140.1030.00714.19
7.0.130.0330.01314.64
7.0.120.0300.01014.72
7.0.110.0230.01314.55
7.0.100.0400.01314.31
7.0.90.0330.01314.43
7.0.80.0300.01314.36
7.0.70.0300.01014.30
7.0.60.0300.01014.25
7.0.50.0400.01014.36
7.0.40.0230.01314.49
7.0.30.0300.01014.43
7.0.20.0270.02014.42
7.0.10.0200.01314.44
7.0.00.0430.01014.39

preferences:
65.03 ms | 401 KiB | 5 Q