3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo current($a = range('a', 'z'));

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)
8.3.60.0110.00716.63
8.3.50.0080.01522.06
8.3.40.0140.00418.54
8.3.30.0100.00319.08
8.3.20.0040.00420.02
8.3.10.0040.00423.48
8.3.00.0040.00419.38
8.2.180.0090.00618.28
8.2.170.0100.00722.96
8.2.160.0090.00620.47
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0080.00022.30
8.2.110.0090.00022.29
8.2.100.0080.00417.84
8.2.90.0060.00319.05
8.2.80.0000.00917.97
8.2.70.0090.00017.63
8.2.60.0090.00017.93
8.2.50.0050.00319.35
8.2.40.0080.00018.09
8.2.30.0000.00818.05
8.2.20.0000.00817.78
8.2.10.0080.00017.98
8.2.00.0030.00617.63
8.1.280.0210.00025.92
8.1.270.0050.00321.96
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00323.97
8.1.230.0070.00319.10
8.1.220.0030.00517.79
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0000.00817.40
8.1.180.0040.00418.10
8.1.170.0040.00418.54
8.1.160.0000.00821.93
8.1.150.0040.00418.57
8.1.140.0040.00417.41
8.1.130.0000.00717.75
8.1.120.0030.00317.41
8.1.110.0040.00417.30
8.1.100.0050.00217.27
8.1.90.0040.00417.32
8.1.80.0030.00617.34
8.1.70.0030.00317.36
8.1.60.0030.00617.52
8.1.50.0040.00417.46
8.1.40.0000.00817.30
8.1.30.0040.00417.43
8.1.20.0000.00917.58
8.1.10.0040.00417.54
8.1.00.0000.00817.31
8.0.300.0040.00418.77
8.0.290.0000.00717.05
8.0.280.0030.00318.42
8.0.270.0030.00317.18
8.0.260.0000.00716.68
8.0.250.0030.00316.85
8.0.240.0000.00716.88
8.0.230.0030.00316.87
8.0.220.0030.00316.71
8.0.210.0000.00716.84
8.0.200.0000.00716.89
8.0.190.0030.00916.78
8.0.180.0080.00016.82
8.0.170.0000.00816.83
8.0.160.0030.00316.82
8.0.150.0040.00416.66
8.0.140.0000.00816.76
8.0.130.0000.00513.26
8.0.120.0000.00816.81
8.0.110.0000.00716.79
8.0.100.0000.00716.63
8.0.90.0000.00716.82
8.0.80.0150.00016.84
8.0.70.0000.00716.62
8.0.60.0080.00016.88
8.0.50.0050.00316.68
8.0.30.0090.01016.85
8.0.20.0080.01317.40
8.0.10.0000.00817.00
8.0.00.0080.01116.65
7.4.330.0000.00515.02
7.4.320.0060.00016.35
7.4.300.0030.00316.54
7.4.290.0070.00016.48
7.4.280.0040.00416.53
7.4.270.0070.00016.43
7.4.260.0000.00716.37
7.4.250.0040.00416.37
7.4.240.0000.00716.54
7.4.230.0000.00716.57
7.4.220.0140.00316.61
7.4.210.0100.00416.48
7.4.200.0090.00016.62
7.4.190.0000.00716.53
7.4.160.0060.01516.36
7.4.150.0110.00817.40
7.4.140.0130.00817.86
7.4.130.0080.00916.51
7.4.120.0120.00716.38
7.4.110.0120.00616.51
7.4.100.0140.00316.40
7.4.90.0090.00916.48
7.4.80.0130.00919.39
7.4.70.0060.01616.48
7.4.60.0120.00416.54
7.4.50.0000.00816.50
7.4.40.0060.00922.77
7.4.30.0030.01316.65
7.4.00.0060.00614.86
7.3.330.0000.00512.89
7.3.320.0030.00313.00
7.3.310.0000.00616.15
7.3.300.0030.00316.12
7.3.290.0050.00816.09
7.3.280.0130.00416.10
7.3.270.0130.00317.40
7.3.260.0030.01316.32
7.3.250.0110.00716.31
7.3.240.0090.01016.36
7.3.230.0120.00416.39
7.3.210.0080.00816.22
7.3.200.0070.01019.39
7.3.190.0140.00716.22
7.3.180.0150.00016.25
7.3.170.0120.00416.30
7.3.160.0060.00916.07
7.3.120.0110.00714.63
7.3.10.0100.00316.59
7.3.00.0110.00316.31
7.2.330.0070.01116.45
7.2.320.0110.01416.71
7.2.310.0110.00616.45
7.2.300.0100.00716.50
7.2.290.0110.00716.78
7.2.130.0070.01017.02
7.2.120.0030.00616.91
7.2.110.0080.00416.66
7.2.100.0090.00616.94
7.2.90.0080.00416.96
7.2.80.0060.00616.82
7.2.70.0000.01316.74
7.2.60.0080.00416.81
7.2.50.0090.00616.51
7.2.40.0060.00916.70
7.2.30.0120.00416.89
7.2.20.0070.00716.49
7.2.10.0080.00616.54
7.2.00.0060.00818.12
7.1.250.0040.00915.79
7.1.100.0090.00617.89
7.1.70.0060.00616.72
7.1.60.0140.00719.33
7.1.50.0100.01616.90
7.1.00.0070.07022.33
7.0.200.0080.00416.69
7.0.140.0070.07321.96
7.0.100.0070.08320.02
7.0.90.0130.04319.84
7.0.80.0170.03019.86
7.0.70.0170.06719.80
7.0.60.0070.08319.92
7.0.50.0130.06020.38
7.0.40.0100.04020.07
7.0.30.0030.04020.14
7.0.20.0030.05020.14
7.0.10.0030.04320.07
7.0.00.0000.05020.07
5.6.280.0000.07720.77
5.6.250.0030.08720.66
5.6.240.0030.08320.69
5.6.230.0030.04720.50
5.6.220.0070.08320.66
5.6.210.0030.08720.43
5.6.200.0000.06320.94
5.6.190.0100.07721.00
5.6.180.0130.06021.02
5.6.170.0100.03321.09
5.6.160.0030.04321.00
5.6.150.0030.03320.95
5.6.140.0000.04021.01
5.6.130.0070.03721.04
5.6.120.0000.04721.16
5.6.110.0070.03721.06
5.6.100.0030.04321.00
5.6.90.0200.07020.99
5.6.80.0070.08020.42
5.6.70.0000.04020.45
5.6.60.0030.03720.41
5.6.50.0130.04320.32
5.6.40.0070.04020.43
5.6.30.0070.03720.38
5.6.20.0100.04720.38
5.6.10.0000.04320.37
5.6.00.0070.03720.35
5.5.380.0100.07720.36
5.5.370.0070.07320.39
5.5.360.0130.05320.49
5.5.350.0070.07720.38
5.5.340.0000.04720.91
5.5.330.0100.04020.80
5.5.320.0030.04020.91
5.5.310.0000.04020.72
5.5.300.0030.04720.76
5.5.290.0030.03720.90
5.5.280.0070.04020.92
5.5.270.0070.04020.74
5.5.260.0000.06320.79
5.5.250.0070.07720.73
5.5.240.0100.07320.17
5.5.230.0000.04720.28
5.5.220.0030.04020.29
5.5.210.0000.04320.27
5.5.200.0000.04320.12
5.5.190.0000.04720.11
5.5.180.0100.03020.20
5.5.160.0070.04320.18
5.5.150.0070.03320.25
5.5.140.0100.03720.21
5.5.130.0070.04320.21
5.5.120.0070.07720.13
5.5.110.0000.04320.21
5.5.100.0030.04020.11
5.5.90.0030.04020.00
5.5.80.0100.03720.16
5.5.70.0030.04019.96
5.5.60.0000.04020.04
5.5.50.0130.02719.95
5.5.40.0070.08020.14
5.5.30.0070.07320.04
5.5.20.0100.07720.07
5.5.10.0130.03020.03
5.5.00.0070.09320.12
5.4.450.0100.03319.41
5.4.440.0100.03319.28
5.4.430.0030.03319.31
5.4.420.0000.04719.35
5.4.410.0070.07719.14
5.4.400.0000.06319.03
5.4.390.0070.03319.06
5.4.380.0100.03718.95
5.4.370.0030.04019.07
5.4.360.0100.03318.91
5.4.350.0000.04018.98
5.4.340.0030.05019.04
5.4.320.0070.03718.98
5.4.310.0030.03718.91
5.4.300.0100.02719.02
5.4.290.0070.03018.97
5.4.280.0030.04019.10
5.4.270.0070.03319.09
5.4.260.0070.03319.09
5.4.250.0030.03718.78
5.4.240.0070.03319.07
5.4.230.0030.03319.12
5.4.220.0030.03719.11
5.4.210.0030.06719.05
5.4.200.0070.08018.75
5.4.190.0030.07719.02
5.4.180.0000.08019.06
5.4.170.0130.07319.05
5.4.160.0100.07719.10
5.4.150.0070.07018.79
5.4.140.0030.08316.42
5.4.130.0100.07016.38
5.4.120.0100.08016.27
5.4.110.0070.06016.30
5.4.100.0030.05016.30
5.4.90.0000.08316.31
5.4.80.0070.07316.24
5.4.70.0100.06716.32
5.4.60.0100.03716.19
5.4.50.0030.07316.37
5.4.40.0100.05716.45
5.4.30.0130.06716.19
5.4.20.0130.06716.27
5.4.10.0070.07016.31
5.4.00.0030.07715.81
5.3.290.0000.04014.62
5.3.280.0000.04014.59
5.3.270.0070.05014.42
5.3.260.0070.07014.54
5.3.250.0100.07014.43
5.3.240.0030.04714.46
5.3.230.0070.07314.57
5.3.220.0070.07314.43
5.3.210.0030.08314.55
5.3.200.0130.06714.42
5.3.190.0130.07314.56
5.3.180.0170.06014.47
5.3.170.0170.06014.56
5.3.160.0130.07314.47
5.3.150.0070.06014.54
5.3.140.0030.08014.51
5.3.130.0100.07014.54
5.3.120.0100.07014.52
5.3.110.0100.07714.40
5.3.100.0170.06314.02
5.3.90.0030.07714.00
5.3.80.0100.05313.95
5.3.70.0130.05713.96
5.3.60.0070.07313.78
5.3.50.0100.07313.91
5.3.40.0030.05013.85
5.3.30.0000.07713.89
5.3.20.0130.03013.46
5.3.10.0000.06713.60
5.3.00.0100.06313.57
5.2.170.0000.06712.25
5.2.160.0030.06012.25
5.2.150.0070.07012.25
5.2.140.0070.04312.25
5.2.130.0070.05012.25
5.2.120.0100.04012.25
5.2.110.0100.05712.25
5.2.100.0000.06712.25
5.2.90.0070.05712.25
5.2.80.0030.05712.25
5.2.70.0000.04312.25
5.2.60.0030.04312.25
5.2.50.0070.03312.25
5.2.40.0070.05012.25
5.2.30.0030.06312.25
5.2.20.0000.03012.25
5.2.10.0000.03312.25
5.2.00.0000.03712.25
5.1.60.0030.05012.25
5.1.50.0030.02712.25
5.1.40.0000.03712.25
5.1.30.0070.05012.25
5.1.20.0000.03312.25
5.1.10.0030.05712.25
5.1.00.0070.04312.25
5.0.50.0070.04012.25
5.0.40.0000.04312.25
5.0.30.0030.06312.25
5.0.20.0070.03712.25
5.0.10.0000.03312.25
5.0.00.0000.04012.25
4.4.90.0070.03012.25
4.4.80.0000.03712.25
4.4.70.0030.02012.25
4.4.60.0000.03012.25
4.4.50.0000.02312.25
4.4.40.0100.04312.25
4.4.30.0000.02712.25
4.4.20.0000.03312.25
4.4.10.0000.04012.25
4.4.00.0030.05312.25
4.3.110.0070.03012.25
4.3.100.0000.03712.25
4.3.90.0030.03312.25
4.3.80.0030.05312.25
4.3.70.0070.01312.25
4.3.60.0030.02712.25
4.3.50.0030.02712.25
4.3.40.0030.04312.25
4.3.30.0030.02012.25
4.3.20.0030.02312.25
4.3.10.0000.03312.25
4.3.00.0030.03012.25

preferences:
35.66 ms | 401 KiB | 5 Q