3v4l.org

run code in 300+ PHP versions simultaneously
<?php $source ="ASDF"; $source .= null; var_dump($source);

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)
8.3.40.0070.01418.86
8.3.30.0070.01119.05
8.3.20.0080.00020.12
8.3.10.0070.00721.69
8.3.00.0070.00019.00
8.2.170.0110.00422.96
8.2.160.0130.00020.36
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.01126.16
8.2.120.0080.00019.54
8.2.110.0060.00320.39
8.2.100.0070.00418.16
8.2.90.0000.00719.22
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0040.00417.80
8.2.50.0000.00918.07
8.2.40.0040.00418.16
8.2.30.0050.00319.40
8.2.20.0040.00417.63
8.2.10.0030.00617.86
8.2.00.0000.00717.67
8.1.270.0000.00724.66
8.1.260.0070.00026.35
8.1.250.0120.00328.09
8.1.240.0060.00321.81
8.1.230.0000.01019.15
8.1.220.0080.00017.74
8.1.210.0030.00618.77
8.1.200.0030.00617.23
8.1.190.0030.00617.13
8.1.180.0080.00018.10
8.1.170.0030.00618.37
8.1.160.0050.00221.86
8.1.150.0050.00318.80
8.1.140.0040.00417.36
8.1.130.0000.00717.86
8.1.120.0040.00417.34
8.1.110.0040.00417.41
8.1.100.0000.00717.19
8.1.90.0000.00717.28
8.1.80.0000.00817.26
8.1.70.0030.00317.37
8.1.60.0040.00417.40
8.1.50.0080.00017.43
8.1.40.0040.00417.40
8.1.30.0050.00317.54
8.1.20.0040.00417.44
8.1.10.0090.00017.34
8.1.00.0000.00717.34
8.0.300.0060.00318.77
8.0.290.0000.00716.63
8.0.280.0030.00318.41
8.0.270.0000.00717.18
8.0.260.0000.00617.18
8.0.250.0030.00316.89
8.0.240.0050.00216.88
8.0.230.0050.00316.89
8.0.220.0030.00316.72
8.0.210.0000.00716.84
8.0.200.0000.00716.85
8.0.190.0040.00416.79
8.0.180.0080.00016.84
8.0.170.0050.00316.90
8.0.160.0000.00716.80
8.0.150.0000.00716.77
8.0.140.0040.00416.70
8.0.130.0060.00013.23
8.0.120.0080.00016.77
8.0.110.0000.00716.77
8.0.100.0040.00416.83
8.0.90.0070.00016.84
8.0.80.0070.01316.82
8.0.70.0000.00716.81
8.0.60.0040.00416.64
8.0.50.0030.00616.61
8.0.30.0150.00716.76
8.0.20.0080.01017.40
8.0.10.0000.00816.83
8.0.00.0140.00516.54
7.4.330.0000.00415.03
7.4.320.0030.00316.50
7.4.300.0070.00016.53
7.4.290.0040.00716.44
7.4.280.0040.00416.44
7.4.270.0060.00016.48
7.4.260.0030.00316.43
7.4.250.0080.00016.43
7.4.240.0020.00516.31
7.4.230.0000.00716.59
7.4.220.0070.01116.39
7.4.210.0080.01016.45
7.4.200.0000.00716.43
7.4.160.0090.00616.45
7.4.150.0100.00717.40
7.4.140.0110.01217.86
7.4.130.0060.01316.30
7.4.120.0100.00816.43
7.4.110.0120.00616.27
7.4.100.0030.01916.32
7.4.90.0160.00316.40
7.4.80.0120.00619.39
7.4.70.0150.00616.44
7.4.60.0030.01216.34
7.4.50.0040.00416.51
7.4.40.0120.00416.38
7.4.30.0090.01516.36
7.4.00.0000.01514.70
7.3.330.0020.00213.07
7.3.320.0060.00013.11
7.3.310.0000.00716.05
7.3.300.0070.00016.17
7.3.290.0000.00716.00
7.3.280.0100.00716.16
7.3.270.0170.00417.40
7.3.260.0080.01116.13
7.3.250.0090.00916.08
7.3.240.0130.01016.32
7.3.230.0080.00816.39
7.3.210.0170.00316.28
7.3.200.0160.00319.39
7.3.190.0090.00616.09
7.3.180.0120.00316.11
7.3.170.0060.01516.27
7.3.160.0110.00416.41
7.2.330.0100.01016.47
7.2.320.0070.01016.60
7.2.310.0100.00716.66
7.2.300.0140.00316.46
7.2.290.0160.00716.35
7.2.00.0060.00919.26
7.1.200.0070.00715.80
7.1.100.0100.00618.20
7.1.70.0000.00817.08
7.1.60.0030.01219.46
7.1.50.0060.01316.95
7.1.00.0100.06322.35
7.0.200.2640.00316.64
7.0.140.0030.07322.09
7.0.60.0070.04320.06
7.0.50.0130.07317.77
7.0.40.0030.05020.09
7.0.30.0270.08320.13
7.0.20.0400.07320.13
7.0.10.0070.09020.17
7.0.00.0030.04719.99
5.6.280.0070.07020.77
5.6.210.0000.04320.56
5.6.200.0000.04718.22
5.6.190.0030.04320.61
5.6.180.0270.04720.77
5.6.170.0200.07320.50
5.6.160.0070.08020.53
5.6.150.0130.07318.18
5.6.140.0070.07318.08
5.6.130.0070.08018.15
5.6.120.0030.04720.98
5.6.110.0000.07720.98
5.6.100.0100.05720.88
5.6.90.0130.06020.94
5.6.80.0030.05320.48
5.5.350.0270.06320.37
5.5.340.0100.04717.89
5.5.330.0230.06720.40
5.5.320.0300.08020.25
5.5.310.0370.05320.26
5.5.300.0070.08017.94
5.5.290.0000.04317.96
5.5.280.0100.05020.79
5.5.270.0170.05720.93
5.5.260.0070.05320.79
5.5.250.0070.08020.61
5.5.240.0100.06020.34
5.4.450.0200.06019.61
5.4.440.0100.06319.10
5.4.430.0430.05719.54
5.4.420.0070.06719.31
5.4.410.0230.06319.46
5.4.400.0070.06319.15
5.4.390.0670.06018.50
5.4.380.0700.07018.58
5.4.370.0770.06718.50
5.4.360.0730.07018.64
5.4.350.0870.08318.48
5.4.340.0800.05318.48
5.4.320.0930.07718.77
5.4.310.0930.06318.68
5.4.300.0670.06718.72
5.4.290.0930.05318.48
5.4.280.1130.07018.55
5.4.270.0830.06318.71
5.4.260.1000.07018.63
5.4.250.0770.08718.59
5.4.240.0900.07018.58
5.4.230.0630.07718.46
5.4.220.0900.06318.63
5.4.210.0870.06718.68
5.4.200.0770.05316.55
5.4.190.1170.04318.69
5.4.180.0870.05718.60
5.4.170.1130.05718.75
5.4.160.0970.06018.68
5.4.150.0800.06318.57
5.4.140.0830.06316.32
5.4.130.0670.07316.25
5.4.120.0930.06316.04
5.4.110.0770.06016.25
5.4.100.0930.05016.16
5.4.90.0970.05716.12
5.4.80.0900.05716.25
5.4.70.0930.06016.23
5.4.60.0970.07716.18
5.4.50.1100.05016.05
5.4.40.1100.04716.27
5.4.30.0730.06316.08
5.4.20.1000.05716.11
5.4.10.0930.07316.16
5.4.00.0730.06315.79
5.3.290.1100.06314.66
5.3.280.0900.04714.47
5.3.270.0700.07314.50
5.3.260.0900.06014.58
5.3.250.0870.07714.48
5.3.240.0730.07014.60
5.3.230.0930.06014.57
5.3.220.1130.06014.61
5.3.210.0900.06314.57
5.3.200.1070.05314.45
5.3.190.1030.05014.61
5.3.180.0930.05314.44
5.3.170.1030.03714.55
5.3.160.1100.05314.59
5.3.150.0870.06014.48
5.3.140.0870.06014.45
5.3.130.0800.06014.62
5.3.120.0930.07014.51
5.3.110.1030.05714.61
5.3.100.1070.06714.00
5.3.90.1070.06314.02
5.3.80.1100.05313.99
5.3.70.1070.05313.98
5.3.60.1100.06014.09
5.3.50.0870.07313.87
5.3.40.1000.05013.93
5.3.30.1130.06013.84
5.3.20.0730.06013.78
5.3.10.0930.05713.69
5.3.00.0730.06313.73
5.2.170.0670.05011.29
5.2.160.0800.05011.19
5.2.150.0770.05011.07
5.2.140.0930.04311.18
5.2.130.0800.04311.12
5.2.120.0800.04011.06
5.2.110.0800.05311.15
5.2.100.0800.05011.23
5.2.90.0870.04711.08
5.2.80.1070.04311.02
5.2.70.1000.05311.00
5.2.60.0930.05710.96
5.2.50.0970.04710.95
5.2.40.0770.04011.02
5.2.30.0600.04711.10
5.2.20.0770.05710.89
5.2.10.0900.03310.83
5.2.00.0500.04710.68
5.1.60.0530.03310.00
5.1.50.0530.0379.97
5.1.40.0630.02710.11
5.1.30.0670.04010.38
5.1.20.0700.03710.39
5.1.10.0600.03310.10
5.1.00.0470.04010.09
5.0.50.0330.0408.54
5.0.40.0400.0308.50
5.0.30.0370.0538.36
5.0.20.0370.0338.31
5.0.10.0400.0308.20
5.0.00.0230.0508.22
4.4.90.0230.0275.90
4.4.80.0400.0175.85
4.4.70.0300.0205.89
4.4.60.0200.0305.92
4.4.50.0300.0235.87
4.4.40.0370.0375.89
4.4.30.0400.0275.87
4.4.20.0330.0205.96
4.4.10.0330.0205.96
4.4.00.0430.0405.91
4.3.110.0270.0235.80
4.3.100.0400.0235.84
4.3.90.0300.0235.82
4.3.80.0270.0375.90
4.3.70.0330.0175.79
4.3.60.0370.0205.83
4.3.50.0400.0305.83
4.3.40.0270.0405.85
4.3.30.0130.0305.03
4.3.20.0170.0235.03
4.3.10.0100.0275.03
4.3.00.0030.0239.22

preferences:
55.73 ms | 400 KiB | 5 Q