3v4l.org

run code in 300+ PHP versions simultaneously
<?php $alpha = 'abcdefghijklmnopqrstuvwxyz'; $letters = array (15, 7, 15); foreach ($letters as $val) { echo $alpha{$val}; }

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)
8.3.60.0060.00918.56
8.3.50.0120.00721.92
8.3.40.0120.00318.50
8.3.30.0110.00720.05
8.3.20.0000.00720.16
8.3.10.0040.00421.92
8.3.00.0040.00422.39
8.2.180.0160.00618.17
8.2.170.0130.00722.96
8.2.160.0100.00722.25
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0040.00417.59
8.2.110.0030.00622.30
8.2.100.0080.00417.91
8.2.90.0000.00918.97
8.2.80.0060.00317.97
8.2.70.0050.00317.50
8.2.60.0000.00917.80
8.2.50.0040.00418.07
8.2.40.0060.00319.95
8.2.30.0000.00717.98
8.2.20.0000.00817.58
8.2.10.0040.00417.54
8.2.00.0060.00317.60
8.1.280.0040.01125.92
8.1.270.0080.00024.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0100.00023.88
8.1.230.0060.00619.15
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0030.00716.97
8.1.190.0000.00817.22
8.1.180.0050.00318.10
8.1.170.0080.00018.51
8.1.160.0000.00721.86
8.1.150.0000.00818.55
8.1.140.0000.00717.17
8.1.130.0000.00717.77
8.1.120.0000.00717.30
8.1.110.0070.00017.27
8.1.100.0040.00417.34
8.1.90.0040.00417.25
8.1.80.0050.00317.29
8.1.70.0050.00217.35
8.1.60.0000.00817.33
8.1.50.0000.00717.29
8.1.40.0000.00817.28
8.1.30.0020.00517.39
8.1.20.0000.00817.51
8.1.10.0000.00817.37
8.1.00.0040.00417.16
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0070.00018.23
8.0.270.0030.00317.12
8.0.260.0070.00016.86
8.0.250.0040.00416.85
8.0.240.0070.00016.82
8.0.230.0050.00216.90
8.0.220.0030.00316.84
8.0.210.0000.00716.72
8.0.200.0000.00616.83
8.0.190.0030.00516.88
8.0.180.0040.00416.82
8.0.170.0070.00016.90
8.0.160.0030.00316.80
8.0.150.0040.00416.77
8.0.140.0000.00716.79
8.0.130.0030.00313.25
8.0.120.0030.00516.77
8.0.110.0040.00316.71
8.0.100.0040.00416.81
8.0.90.0030.00316.81
8.0.80.0110.00416.74
8.0.70.0000.00716.77
8.0.60.0040.00416.81
8.0.50.0000.00716.77
8.0.30.0100.01016.90
8.0.20.0120.00817.40
8.0.10.0040.00416.94
8.0.00.0070.01016.59
7.4.330.0060.00015.00
7.4.320.0030.00316.58
7.4.300.0030.00316.50
7.4.290.0070.00016.53
7.4.280.0040.00416.57
7.4.270.0030.00316.49
7.4.260.0030.00313.32
7.4.250.0040.00416.37
7.4.240.0040.00316.51
7.4.230.0000.00716.39
7.4.220.0190.00616.69
7.4.210.0070.00816.64
7.4.200.0070.00016.44
7.4.190.0000.00716.56
7.4.160.0030.01216.46
7.4.150.0080.01217.40
7.4.140.0110.00617.86
7.4.130.0130.00316.54
7.4.120.0120.00616.63
7.4.110.0090.00916.72
7.4.100.0090.00916.60
7.4.90.0130.00716.52
7.4.80.0110.00619.39
7.4.70.0110.00616.50
7.4.60.0060.01016.50
7.4.50.0060.00316.53
7.4.40.0060.01222.77
7.4.30.0080.01216.36
7.4.00.0120.00414.88
7.3.330.0030.00313.20
7.3.320.0000.00613.13
7.3.310.0070.00016.34
7.3.300.0040.00416.29
7.3.290.0050.01016.26
7.3.280.0080.01016.26
7.3.270.0110.00517.40
7.3.260.0100.01316.59
7.3.250.0070.00916.50
7.3.240.0080.00816.37
7.3.230.0030.01316.67
7.3.210.0030.01516.69
7.3.200.0150.00919.39
7.3.190.0100.01316.31
7.3.180.0060.01016.49
7.3.170.0100.00716.33
7.3.160.0060.00916.34
7.3.120.0040.01415.03
7.2.330.0060.01316.59
7.2.320.0080.00816.33
7.2.310.0100.00716.63
7.2.300.0070.01116.59
7.2.290.0080.00816.71
7.2.00.0080.00619.11
7.1.100.0030.00918.36
7.1.70.0040.00417.29
7.1.60.0070.01719.32
7.1.50.0090.00617.03
7.1.00.0030.03322.44
7.0.200.0340.00314.72
7.0.140.0030.09022.12
7.0.110.0130.07019.98
7.0.100.0200.06720.06
7.0.90.0100.08020.03
7.0.80.0130.07319.92
7.0.70.0130.08019.89
7.0.60.0230.04319.93
7.0.50.0200.06320.48
7.0.40.0100.08320.12
7.0.30.0100.08020.06
7.0.20.0130.07720.12
7.0.10.0070.08020.08
7.0.00.0170.07020.25
5.6.280.0000.07721.12
5.6.260.0130.04720.68
5.6.250.0070.08320.88
5.6.240.0070.08320.66
5.6.230.0100.08020.65
5.6.220.0100.07020.61
5.6.210.0070.08020.80
5.6.200.0200.07021.27
5.6.190.0070.08321.13
5.6.180.0130.05321.08
5.6.170.0100.06721.02
5.6.160.0200.07321.18
5.6.150.0130.06021.14
5.6.140.0070.06321.16
5.6.130.0130.07721.02
5.6.120.0170.03320.95
5.6.110.0100.07021.08
5.6.100.0100.08721.25
5.6.90.0070.07720.93
5.6.80.0070.04720.50
5.6.70.0030.08320.43
5.6.60.0070.06320.48
5.6.50.0030.04720.37
5.6.40.0100.07320.50
5.6.30.0100.07320.50
5.6.20.0130.07020.54
5.6.10.0170.07020.49
5.6.00.0100.07320.43
5.5.380.0200.06720.56
5.5.370.0100.08020.56
5.5.360.0100.07320.36
5.5.350.0070.07320.46
5.5.340.0030.08720.81
5.5.330.0200.06320.79
5.5.320.0070.08320.87
5.5.310.0100.07720.80
5.5.300.0070.08021.01
5.5.290.0100.07020.96
5.5.280.0100.07720.84
5.5.270.0200.07020.88
5.5.260.0130.07721.00
5.5.250.0070.08320.57
5.5.240.0100.07720.37
5.5.230.0130.07320.18
5.5.220.0130.07320.26
5.5.210.0070.07320.26
5.5.200.0070.08720.25
5.5.190.0100.07320.38
5.5.180.0070.07720.24
5.5.160.0130.06320.16
5.5.150.0070.08020.12
5.5.140.0070.04720.30
5.5.130.0100.06020.14
5.5.120.0100.07720.30
5.5.110.0070.05020.24
5.5.100.0100.08020.21
5.5.90.0100.06020.22
5.5.80.0100.08020.27
5.5.70.0100.06320.22
5.5.60.0070.07719.97
5.5.50.0170.06719.98
5.5.40.0030.08320.06
5.5.30.0100.04320.08
5.5.20.0070.07720.11
5.5.10.0030.07320.01
5.5.00.0130.07720.10
5.4.450.0030.08019.45
5.4.440.0070.08019.53
5.4.430.0100.03319.52
5.4.420.0100.07319.32
5.4.410.0070.07719.22
5.4.400.0070.07718.93
5.4.390.0070.08018.93
5.4.380.0170.04319.07
5.4.370.0070.07719.12
5.4.360.0030.07719.10
5.4.350.0070.07319.26
5.4.340.0070.07719.12
5.4.320.0030.07719.12
5.4.310.0100.06718.95
5.4.300.0070.06019.03
5.4.290.0130.06718.98
5.4.280.0070.07719.09
5.4.270.0030.07318.95
5.4.260.0000.07719.28
5.4.250.0070.07718.92
5.4.240.0100.07319.02
5.4.230.0070.08019.00
5.4.220.0070.07318.96
5.4.210.0130.06319.11
5.4.200.0070.07719.09
5.4.190.0100.07319.07
5.4.180.0070.08018.92
5.4.170.0170.06318.97
5.4.160.0200.06318.96
5.4.150.0070.04318.94
5.4.140.0130.06716.19
5.4.130.0000.07716.46
5.4.120.0070.07016.18
5.4.110.0070.04316.38
5.4.100.0100.07016.36
5.4.90.0130.06316.50
5.4.80.0070.07316.46
5.4.70.0000.07316.36
5.4.60.0070.07316.50
5.4.50.0130.06316.46
5.4.40.0100.06716.43
5.4.30.0100.06316.49
5.4.20.0000.05316.34
5.4.10.0100.07016.48
5.4.00.0100.07315.78
5.3.290.0130.06314.57
5.3.280.0070.06014.41
5.3.270.0000.08014.50
5.3.260.0130.07314.43
5.3.250.0030.07014.66
5.3.240.0070.07314.66
5.3.230.0030.08014.48
5.3.220.0100.07314.51
5.3.210.0100.07314.46
5.3.200.0070.06714.65
5.3.190.0030.08014.52
5.3.180.0130.06314.63
5.3.170.0070.07314.42
5.3.160.0270.05014.57
5.3.150.0100.07014.43
5.3.140.0000.08014.39
5.3.130.0200.06014.45
5.3.120.0130.07014.39
5.3.110.0070.07014.56
5.3.100.0030.07313.83
5.3.90.0070.04013.88
5.3.80.0070.07013.89
5.3.70.0070.07013.96
5.3.60.0070.04714.07
5.3.50.0070.07013.83
5.3.40.0070.05713.87
5.3.30.0030.06714.00
5.3.20.0130.06713.52
5.3.10.0070.07013.53
5.3.00.0070.07313.73
5.2.170.0070.04012.14
5.2.160.0070.02712.14
5.2.150.0000.03712.14
5.2.140.0100.05312.14
5.2.130.0000.06312.14
5.2.120.0000.07012.14
5.2.110.0030.06312.14
5.2.100.0100.05712.14
5.2.90.0100.03012.14
5.2.80.0030.06012.14
5.2.70.0100.05312.14
5.2.60.0030.06312.14
5.2.50.0000.04012.14
5.2.40.0000.03312.14
5.2.30.0100.05312.14
5.2.20.0070.06312.14
5.2.10.0030.03712.14
5.2.00.0170.04712.14
5.1.60.0130.04312.14
5.1.50.0130.04712.14
5.1.40.0070.04012.14
5.1.30.0030.04712.14
5.1.20.0030.07012.14
5.1.10.0000.04312.14
5.1.00.0030.02712.14
5.0.50.0100.04312.14
5.0.40.0100.03312.14
5.0.30.0030.05712.14
5.0.20.0000.03712.14
5.0.10.0030.04012.14
5.0.00.0030.06312.14
4.4.90.0000.02012.14
4.4.80.0000.02312.14
4.4.70.0030.03712.14
4.4.60.0070.02012.14
4.4.50.0070.03012.14
4.4.40.0000.05312.14
4.4.30.0100.01712.14
4.4.20.0030.03712.14
4.4.10.0100.02312.14
4.4.00.0000.03012.14
4.3.110.0000.02012.14
4.3.100.0000.03712.14
4.3.90.0030.03312.14
4.3.80.0000.05712.14
4.3.70.0030.02712.14
4.3.60.0000.03712.14
4.3.50.0070.03012.14
4.3.40.0000.05312.14
4.3.30.0030.03312.14
4.3.20.0000.03712.14
4.3.10.0000.03312.14
4.3.00.0030.03312.14

preferences:
40.06 ms | 401 KiB | 5 Q