3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x[100] = 'a'; print_r($x);

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)
8.3.60.0160.00618.43
8.3.50.0110.00621.02
8.3.40.0030.01018.89
8.3.30.0110.00318.67
8.3.20.0040.00418.77
8.3.10.0000.00820.48
8.3.00.0040.00423.53
8.2.180.0130.01016.63
8.2.170.0070.00722.96
8.2.160.0040.01420.70
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0000.01419.36
8.2.110.0060.00320.35
8.2.100.0070.00417.72
8.2.90.0000.00719.11
8.2.80.0090.00017.97
8.2.70.0030.00517.50
8.2.60.0080.00417.91
8.2.50.0050.00318.07
8.2.40.0000.00818.34
8.2.30.0000.00719.75
8.2.20.0030.00617.71
8.2.10.0040.00417.74
8.2.00.0000.00817.73
8.1.280.0140.00325.92
8.1.270.0040.00423.99
8.1.260.0150.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00422.54
8.1.230.0040.00820.91
8.1.220.0050.00318.77
8.1.210.0040.00418.84
8.1.200.0060.00617.23
8.1.190.0050.00317.53
8.1.180.0040.00418.10
8.1.170.0040.00418.52
8.1.160.0080.00018.71
8.1.150.0070.00018.56
8.1.140.0070.00017.36
8.1.130.0030.00317.66
8.1.120.0000.00717.23
8.1.110.0070.00017.29
8.1.100.0000.00817.23
8.1.90.0040.00417.33
8.1.80.0000.00717.36
8.1.70.0030.00317.25
8.1.60.0060.00317.48
8.1.50.0030.00517.24
8.1.40.0000.00717.27
8.1.30.0040.00417.40
8.1.20.0050.00317.56
8.1.10.0000.00817.41
8.1.00.0000.00817.38
8.0.300.0030.00319.72
8.0.290.0000.00817.03
8.0.280.0050.00218.18
8.0.270.0030.00317.17
8.0.260.0030.00316.59
8.0.250.0000.00816.81
8.0.240.0000.00816.81
8.0.230.0000.00716.80
8.0.220.0020.00516.76
8.0.210.0000.00716.63
8.0.200.0050.00316.71
8.0.190.0030.00316.86
8.0.180.0000.00716.81
8.0.170.0000.00916.76
8.0.160.0030.00316.59
8.0.150.0030.00616.67
8.0.140.0050.00516.61
8.0.130.0030.00313.18
8.0.120.0000.00716.74
8.0.110.0050.00216.58
8.0.100.0040.00416.61
8.0.90.0040.00416.66
8.0.80.0030.01216.77
8.0.70.0070.00016.58
8.0.60.0000.00716.55
8.0.50.0000.00716.63
8.0.30.0130.00517.18
8.0.20.0080.01317.40
8.0.10.0050.00216.75
8.0.00.0110.00716.61
7.4.330.0050.00014.59
7.4.320.0060.00316.44
7.4.300.0000.00616.48
7.4.290.0030.00316.50
7.4.280.0080.00016.43
7.4.270.0000.00616.52
7.4.260.0000.00613.27
7.4.250.0030.00516.30
7.4.240.0070.00016.58
7.4.230.0000.00716.62
7.4.220.0060.01016.42
7.4.210.0090.00816.53
7.4.200.0000.00716.63
7.4.190.0030.00516.65
7.4.160.0060.00916.29
7.4.150.0070.01017.40
7.4.140.0130.00817.86
7.4.130.0090.00816.39
7.4.120.0150.00516.43
7.4.110.0110.00616.30
7.4.100.0080.01216.34
7.4.90.0030.01316.45
7.4.80.0110.01519.04
7.4.70.0070.01016.38
7.4.60.0100.00716.40
7.4.50.0000.00916.26
7.4.40.0060.01222.27
7.4.30.0080.00816.34
7.4.00.0150.00014.55
7.3.330.0000.00613.04
7.3.320.0050.00012.94
7.3.310.0000.00816.33
7.3.300.0030.00316.06
7.3.290.0040.01016.21
7.3.280.0100.00616.22
7.3.270.0110.00617.40
7.3.260.0120.00818.24
7.3.250.0090.01316.28
7.3.240.0090.00916.07
7.3.230.0080.00816.39
7.3.210.0100.01316.15
7.3.200.0170.00019.39
7.3.190.0060.01516.15
7.3.180.0080.00816.20
7.3.170.0060.01216.45
7.3.160.0000.01616.18
7.3.120.0070.00714.56
7.2.330.0070.01016.44
7.2.320.0060.01016.16
7.2.310.0030.01316.50
7.2.300.0100.00716.63
7.2.290.0160.00016.31
7.2.60.0100.00616.75
7.2.50.0040.01116.80
7.1.200.0100.00315.73
7.1.70.0000.01017.20
7.1.60.0000.01117.21
7.1.50.0070.01516.57
7.1.00.0030.03722.48
7.0.200.0040.01116.75
7.0.140.0030.07322.07
7.0.60.0000.05721.70
7.0.50.0070.04722.04
7.0.40.0100.06719.96
7.0.30.0030.08320.08
7.0.20.0070.08319.99
7.0.10.0030.08720.07
7.0.00.0170.06720.09
5.6.280.0000.07720.88
5.6.210.0070.05020.46
5.6.200.0070.07021.12
5.6.190.0070.08020.89
5.6.180.0000.05320.89
5.6.170.0030.08020.99
5.6.160.0000.05721.02
5.6.150.0000.05021.02
5.6.140.0070.03720.91
5.6.130.0030.04020.96
5.6.120.0070.05721.13
5.6.110.0030.04021.00
5.6.100.0030.05020.97
5.6.90.0030.04020.87
5.6.80.0030.04020.34
5.6.70.0000.07720.36
5.6.60.0030.03320.37
5.6.50.0000.04720.35
5.6.40.0130.07020.25
5.6.30.0000.08020.50
5.6.20.0070.02720.34
5.6.10.0000.04020.24
5.6.00.0070.05720.36
5.5.350.0000.08320.42
5.5.340.0030.05320.73
5.5.330.0070.06320.77
5.5.320.0030.07020.87
5.5.310.0070.07020.84
5.5.300.0070.05320.94
5.5.290.0030.05720.76
5.5.280.0030.05320.64
5.5.270.0000.07320.83
5.5.260.0070.03720.75
5.5.250.0030.04320.60
5.5.240.0100.03020.28
5.5.230.0000.06320.24
5.5.220.0030.03020.34
5.5.210.0000.03320.24
5.5.200.0030.08720.08
5.5.190.0000.04720.24
5.5.180.0070.03320.03
5.5.160.0000.04020.25
5.5.150.0000.05020.19
5.5.140.0070.05320.02
5.5.130.0030.04320.20
5.5.120.0000.04020.11
5.5.110.0000.04720.07
5.5.100.0000.03320.04
5.5.90.0000.07020.08
5.5.80.0000.03020.11
5.5.70.0030.03720.18
5.5.60.0000.06020.20
5.5.50.0030.07720.20
5.5.40.0000.05719.87
5.5.30.0000.06020.05
5.5.20.0030.04020.08
5.5.10.0100.03020.01
5.5.00.0000.03319.97
5.4.450.0000.04019.25
5.4.440.0000.08719.49
5.4.430.0000.05019.36
5.4.420.0000.07319.46
5.4.410.0000.06719.36
5.4.400.0000.03719.07
5.4.390.0070.04319.20
5.4.380.0030.09318.92
5.4.370.0030.06019.16
5.4.360.0000.05319.16
5.4.350.0000.03719.07
5.4.340.0000.07719.12
5.4.320.0030.03318.91
5.4.310.0030.05719.06
5.4.300.0000.04019.21
5.4.290.0000.03719.12
5.4.280.0000.04719.09
5.4.270.0000.03719.02
5.4.260.0000.03719.05
5.4.250.0070.03319.02
5.4.240.0030.05719.15
5.4.230.0000.03319.02
5.4.220.0100.07319.11
5.4.210.0030.07318.89
5.4.200.0030.07718.89
5.4.190.0030.04718.91
5.4.180.0000.05319.21
5.4.170.0000.03719.00
5.4.160.0030.03719.10
5.4.150.0000.03318.99
5.4.140.0000.03016.46
5.4.130.0000.03016.34
5.4.120.0000.03716.18
5.4.110.0030.02716.41
5.4.100.0000.03016.46
5.4.90.0030.03316.50
5.4.80.0000.03016.49
5.4.70.0000.03016.23
5.4.60.0030.07316.48
5.4.50.0030.07716.31
5.4.40.0000.03316.39
5.4.30.0030.03016.48
5.4.20.0000.03316.34
5.4.10.0030.03716.30
5.4.00.0030.02715.90
5.3.290.0000.10314.70
5.3.280.0000.08314.54
5.3.270.0000.04014.62
5.3.260.0030.03314.67
5.3.250.0030.03314.59
5.3.240.0030.02714.61
5.3.230.0000.03714.50
5.3.220.0000.03714.62
5.3.210.0000.03714.51
5.3.200.0000.03014.64
5.3.190.0000.03714.61
5.3.180.0000.03314.59
5.3.170.0030.04314.55
5.3.160.0030.02714.56
5.3.150.0070.04314.68
5.3.140.0000.04714.66
5.3.130.0000.04014.60
5.3.120.0000.03714.59
5.3.110.0030.04014.58
5.3.100.0000.03714.17
5.3.90.0070.02314.05
5.3.80.0030.02713.86
5.3.70.0030.03314.06
5.3.60.0030.03014.10
5.3.50.0100.03314.03
5.3.40.0000.03013.93
5.3.30.0000.04013.99
5.3.20.0000.03713.59
5.3.10.0000.03313.70
5.3.00.0000.04013.52
5.2.170.0000.02311.02
5.2.160.0000.02311.17
5.2.150.0000.03011.23
5.2.140.0000.03011.22
5.2.130.0000.02311.07
5.2.120.0030.02011.15
5.2.110.0000.02311.18
5.2.100.0030.02011.17
5.2.90.0030.02310.94
5.2.80.0000.03010.98
5.2.70.0000.02311.07
5.2.60.0000.02311.01
5.2.50.0000.02710.91
5.2.40.0030.02311.02
5.2.30.0000.03310.86
5.2.20.0000.02711.05
5.2.10.0000.02710.83
5.2.00.0030.04310.56
5.1.60.0030.0239.82
5.1.50.0000.0209.86
5.1.40.0000.0579.81
5.1.30.0000.04010.32
5.1.20.0030.02710.39
5.1.10.0030.04010.03
5.1.00.0000.04010.04
5.0.50.0070.0308.98
5.0.40.0000.0278.98
5.0.30.0000.0278.98
5.0.20.0000.0238.98
5.0.10.0000.0208.98
5.0.00.0000.0378.98
4.4.90.0030.0108.98
4.4.80.0000.0108.98
4.4.70.0000.0138.98
4.4.60.0000.0138.98
4.4.50.0000.0178.98
4.4.40.0000.0208.98
4.4.30.0000.0378.98
4.4.20.0000.0238.98
4.4.10.0000.0408.98
4.4.00.0030.0438.98
4.3.110.0000.0178.98
4.3.100.0000.0378.98
4.3.90.0000.0338.98
4.3.80.0000.0278.98
4.3.70.0000.0108.98
4.3.60.0000.0338.98
4.3.50.0000.0238.98
4.3.40.0000.0408.98
4.3.30.0000.0308.98
4.3.20.0000.0338.98
4.3.10.0030.0338.98
4.3.00.0000.0178.98

preferences:
46.48 ms | 401 KiB | 5 Q