3v4l.org

run code in 300+ PHP versions simultaneously
<?php $r = array(); $r[] = 'a'; echo $r;

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)
8.3.40.0110.00418.98
8.3.30.0110.00419.09
8.3.20.0000.00820.21
8.3.10.0000.00723.64
8.3.00.0000.01017.71
8.2.170.0120.00322.96
8.2.160.0070.00720.29
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0070.00020.87
8.2.110.0030.00622.16
8.2.100.0080.00317.97
8.2.90.0050.00219.35
8.2.80.0030.00517.97
8.2.70.0030.00617.63
8.2.60.0070.00017.92
8.2.50.0060.00318.07
8.2.40.0030.00618.28
8.2.30.0040.00418.11
8.2.20.0000.00717.73
8.2.10.0050.00317.66
8.2.00.0080.00017.61
8.1.270.0050.00322.06
8.1.260.0050.00226.35
8.1.250.0060.00328.09
8.1.240.0050.00323.71
8.1.230.0100.00019.15
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0060.00317.23
8.1.190.0060.00317.41
8.1.180.0050.00318.10
8.1.170.0050.00318.53
8.1.160.0030.00621.80
8.1.150.0070.00018.62
8.1.140.0000.00717.25
8.1.130.0030.00317.74
8.1.120.0070.00017.29
8.1.110.0000.00817.27
8.1.100.0040.00417.44
8.1.90.0030.00317.27
8.1.80.0040.00417.38
8.1.70.0000.00717.26
8.1.60.0040.00417.46
8.1.50.0000.00717.32
8.1.40.0080.00017.45
8.1.30.0000.00817.56
8.1.20.0070.00017.54
8.1.10.0080.00017.39
8.1.00.0030.00517.36
8.0.300.0000.00818.77
8.0.290.0030.00317.18
8.0.280.0040.00418.43
8.0.270.0040.00417.26
8.0.260.0000.00616.88
8.0.250.0000.00716.92
8.0.240.0030.00316.93
8.0.230.0000.00716.95
8.0.220.0070.00016.86
8.0.210.0000.00716.88
8.0.200.0000.00616.83
8.0.190.0030.00316.92
8.0.180.0000.00716.86
8.0.170.0040.00416.81
8.0.160.0000.00716.78
8.0.150.0030.00516.75
8.0.140.0040.00416.85
8.0.130.0030.00613.29
8.0.120.0070.00016.94
8.0.110.0030.00516.92
8.0.100.0040.00416.75
8.0.90.0040.00416.88
8.0.80.0150.00016.81
8.0.70.0000.00716.71
8.0.60.0000.00716.73
8.0.50.0040.00416.73
8.0.30.0090.01017.06
8.0.20.0130.00917.40
8.0.10.0040.00416.79
8.0.00.0110.01016.74
7.4.330.0000.00515.00
7.4.320.0060.00016.34
7.4.300.0000.00616.58
7.4.290.0030.00316.45
7.4.280.0000.00816.29
7.4.270.0050.00316.52
7.4.260.0000.00616.40
7.4.250.0000.00716.38
7.4.240.0030.00516.45
7.4.230.0000.00716.55
7.4.220.0170.00316.46
7.4.210.0070.00716.52
7.4.200.0030.00316.33
7.4.190.0030.00316.29
7.4.160.0070.00716.52
7.4.150.0150.00817.40
7.4.140.0120.00817.86
7.4.130.0070.01016.51
7.4.120.0070.01016.44
7.4.110.0180.00016.44
7.4.100.0070.01416.54
7.4.90.0080.00916.34
7.4.80.0160.00819.39
7.4.70.0140.00316.54
7.4.60.0140.00716.56
7.4.50.0020.00216.63
7.4.40.0060.00922.77
7.4.30.0110.00716.42
7.4.00.0070.01014.76
7.3.330.0000.00613.25
7.3.320.0000.00513.16
7.3.310.0040.00416.14
7.3.300.0000.00616.34
7.3.290.0070.00716.29
7.3.280.0080.01016.30
7.3.270.0170.00717.40
7.3.260.0140.00316.57
7.3.250.0170.00516.35
7.3.240.0060.01316.57
7.3.230.0100.01016.39
7.3.210.0070.01016.38
7.3.200.0090.00619.39
7.3.190.0090.01216.48
7.3.180.0160.00016.42
7.3.170.0040.01116.29
7.3.160.0110.00516.50
7.3.120.0000.01114.63
7.2.330.0140.00716.42
7.2.320.0070.01016.56
7.2.310.0130.00916.43
7.2.300.0070.01116.68
7.2.290.0070.01016.66
7.2.00.0070.01118.97
7.1.100.0030.00917.88
7.1.70.0030.00317.20
7.1.60.0090.01519.31
7.1.50.0030.01916.96
7.1.00.0000.08022.51
7.0.200.0030.00516.57
7.0.140.0070.06322.21
7.0.100.0100.08319.84
7.0.90.0070.04719.98
7.0.80.0100.07320.11
7.0.70.0170.06719.95
7.0.60.0070.08019.92
7.0.50.0130.08020.33
7.0.40.0100.04720.05
7.0.30.0070.08720.13
7.0.20.0100.08020.14
7.0.10.0170.07320.16
7.0.00.0100.06320.12
5.6.280.0030.07321.06
5.6.250.0070.08720.59
5.6.240.0030.10020.67
5.6.230.0100.07720.62
5.6.220.0070.09020.61
5.6.210.0070.08320.60
5.6.200.0070.08021.16
5.6.190.0070.09021.03
5.6.180.0030.08021.11
5.6.170.0170.06321.03
5.6.160.0130.07021.05
5.6.150.0030.08721.00
5.6.140.0130.07321.03
5.6.130.0130.07020.92
5.6.120.0170.07321.01
5.6.110.0100.08021.08
5.6.100.0000.06021.01
5.6.90.0200.03720.99
5.6.80.0030.08720.43
5.6.70.0070.08020.40
5.6.60.0130.07020.37
5.6.50.0100.06720.45
5.6.40.0100.07320.37
5.6.30.0030.08720.37
5.6.20.0130.06320.42
5.6.10.0130.04020.40
5.6.00.0100.03320.35
5.5.380.0130.04720.48
5.5.370.0130.04020.39
5.5.360.0170.07720.33
5.5.350.0070.08320.41
5.5.340.0030.08020.79
5.5.330.0100.07720.82
5.5.320.0030.08020.77
5.5.310.0170.07320.85
5.5.300.0070.07720.87
5.5.290.0100.08320.79
5.5.280.0200.04320.72
5.5.270.0170.06720.87
5.5.260.0070.08320.87
5.5.250.0170.07020.70
5.5.240.0070.08020.25
5.5.230.0030.09020.01
5.5.220.0170.07320.10
5.5.210.0130.06720.23
5.5.200.0030.04320.14
5.5.190.0100.07320.23
5.5.180.0100.07720.25
5.5.160.0000.05020.12
5.5.150.0100.04320.16
5.5.140.0070.08020.27
5.5.130.0100.07720.11
5.5.120.0070.08320.24
5.5.110.0000.08320.22
5.5.100.0130.07320.16
5.5.90.0070.06020.02
5.5.80.0130.06020.07
5.5.70.0130.06020.13
5.5.60.0100.04320.04
5.5.50.0000.08720.10
5.5.40.0130.07320.10
5.5.30.0070.07719.95
5.5.20.0030.07720.03
5.5.10.0030.07720.11
5.5.00.0170.06720.02
5.4.450.0030.08719.29
5.4.440.0100.05719.37
5.4.430.0100.08019.10
5.4.420.0170.07319.41
5.4.410.0100.07319.32
5.4.400.0070.07319.05
5.4.390.0100.04318.98
5.4.380.0100.04018.98
5.4.370.0130.06719.03
5.4.360.0070.07319.09
5.4.350.0070.07719.13
5.4.340.0130.07019.05
5.4.320.0030.07019.03
5.4.310.0070.07318.81
5.4.300.0030.04718.98
5.4.290.0130.04719.14
5.4.280.0070.08319.09
5.4.270.0070.07019.24
5.4.260.0000.08718.96
5.4.250.0170.06319.11
5.4.240.0070.07719.05
5.4.230.0030.05319.05
5.4.220.0030.08019.04
5.4.210.0030.04719.02
5.4.200.0070.07019.02
5.4.190.0070.06019.11
5.4.180.0030.05018.93
5.4.170.0170.07019.04
5.4.160.0130.07319.07
5.4.150.0030.07719.04
5.4.140.0100.03716.07
5.4.130.0000.07716.28
5.4.120.0070.07016.28
5.4.110.0030.04716.32
5.4.100.0130.06316.42
5.4.90.0170.06716.38
5.4.80.0200.06316.36
5.4.70.0100.06716.41
5.4.60.0070.07316.36
5.4.50.0070.07016.23
5.4.40.0030.07716.37
5.4.30.0070.06016.33
5.4.20.0030.07316.41
5.4.10.0100.04316.41
5.4.00.0070.07015.78
5.3.290.0030.08014.56
5.3.280.0170.06714.59
5.3.270.0130.04014.42
5.3.260.0100.04014.59
5.3.250.0000.08714.60
5.3.240.0100.07014.59
5.3.230.0030.09014.57
5.3.220.0100.07314.38
5.3.210.0070.07314.42
5.3.200.0130.07314.38
5.3.190.0100.07014.40
5.3.180.0100.07014.57
5.3.170.0100.07014.38
5.3.160.0100.04014.52
5.3.150.0070.06314.54
5.3.140.0070.07314.48
5.3.130.0100.07314.53
5.3.120.0100.07314.53
5.3.110.0070.06014.42
5.3.100.0030.08313.89
5.3.90.0070.04014.01
5.3.80.0030.07713.76
5.3.70.0070.07713.98
5.3.60.0170.05013.99
5.3.50.0130.05713.91
5.3.40.0030.06013.89
5.3.30.0070.07313.86
5.3.20.0000.07713.44
5.3.10.0070.04013.43
5.3.00.0030.04313.57
5.2.170.0070.06011.06
5.2.160.0070.06010.95
5.2.150.0030.06311.19
5.2.140.0000.07311.05
5.2.130.0130.05311.04
5.2.120.0070.03010.94
5.2.110.0130.06710.88
5.2.100.0070.04711.08
5.2.90.0030.08011.13
5.2.80.0100.03011.01
5.2.70.0030.06310.95
5.2.60.0030.04010.90
5.2.50.0030.03011.01
5.2.40.0030.06310.85
5.2.30.0070.05010.83
5.2.20.0000.06310.88
5.2.10.0070.05010.91
5.2.00.0030.05710.72
5.1.60.0100.04310.48
5.1.50.0130.04310.48
5.1.40.0000.05310.48
5.1.30.0070.04310.48
5.1.20.0030.03010.48
5.1.10.0100.04710.48
5.1.00.0070.05310.48
5.0.50.0100.03010.48
5.0.40.0030.04710.48
5.0.30.0070.06010.48
5.0.20.0000.04710.48
5.0.10.0030.04710.48
5.0.00.0030.05010.48
4.4.90.0030.02710.48
4.4.80.0000.02010.48
4.4.70.0070.03310.48
4.4.60.0000.02710.48
4.4.50.0030.02710.48
4.4.40.0030.05010.48
4.4.30.0030.03710.48
4.4.20.0000.04010.48
4.4.10.0070.03010.48
4.4.00.0030.05010.48
4.3.110.0000.02710.48
4.3.100.0030.03310.48
4.3.90.0030.03310.48
4.3.80.0070.02310.48
4.3.70.0030.03010.48
4.3.60.0000.03710.48
4.3.50.0030.03310.48
4.3.40.0030.05310.48
4.3.30.0000.02010.48
4.3.20.0000.04010.48
4.3.10.0030.01710.48
4.3.00.0000.03710.48

preferences:
47.99 ms | 400 KiB | 5 Q