3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "foo"; foreach(str_split($a) as $i => $b) { echo $i, " ", $b, "\n"; }

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)
8.3.40.0140.00718.72
8.3.30.0090.00618.91
8.3.20.0050.00220.28
8.3.10.0040.00423.65
8.3.00.0030.00517.25
8.2.170.0110.00422.96
8.2.160.0140.00020.57
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0150.00026.16
8.2.120.0070.00020.96
8.2.110.0090.00022.12
8.2.100.0040.00817.91
8.2.90.0080.00019.03
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0040.00417.80
8.2.50.0030.00518.07
8.2.40.0000.00820.01
8.2.30.0000.00718.03
8.2.20.0000.00817.67
8.2.10.0040.00418.11
8.2.00.0000.00817.63
8.1.270.0000.00823.96
8.1.260.0080.00026.35
8.1.250.0000.00928.09
8.1.240.0060.00323.96
8.1.230.0090.00318.90
8.1.220.0030.00517.77
8.1.210.0000.00818.77
8.1.200.0000.00917.11
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0030.00918.50
8.1.160.0050.00221.95
8.1.150.0050.00318.79
8.1.140.0040.00417.49
8.1.130.0040.00417.86
8.1.120.0050.00217.51
8.1.110.0070.00017.32
8.1.100.0080.00017.36
8.1.90.0040.00417.46
8.1.80.0000.00717.43
8.1.70.0040.00417.38
8.1.60.0040.00417.52
8.1.50.0000.00917.50
8.1.40.0000.00717.35
8.1.30.0040.00417.47
8.1.20.0000.00817.50
8.1.10.0000.00817.37
8.1.00.0040.00417.41
8.0.300.0000.00718.77
8.0.290.0080.00016.63
8.0.280.0030.00318.34
8.0.270.0030.00317.20
8.0.260.0060.00017.12
8.0.250.0030.00316.93
8.0.240.0070.00016.85
8.0.230.0030.00316.93
8.0.220.0000.00716.91
8.0.210.0040.00416.78
8.0.200.0030.00316.83
8.0.190.0080.00016.97
8.0.180.0070.00016.94
8.0.170.0070.00016.86
8.0.160.0000.00716.95
8.0.150.0060.00316.77
8.0.140.0070.00016.83
8.0.130.0060.00013.40
8.0.120.0030.00616.73
8.0.110.0050.00316.77
8.0.100.0030.00616.77
8.0.90.0040.00416.82
8.0.80.0060.01016.83
8.0.70.0070.00016.73
8.0.60.0000.00716.80
8.0.50.0040.00416.82
8.0.30.0090.01017.01
8.0.20.0090.01417.40
8.0.10.0000.00716.85
8.0.00.0100.00816.63
7.4.330.0000.00615.13
7.4.320.0030.00316.41
7.4.300.0000.00616.51
7.4.290.0000.00816.50
7.4.280.0000.00716.62
7.4.270.0020.00516.59
7.4.260.0000.00716.62
7.4.250.0000.00816.45
7.4.240.0030.00516.57
7.4.230.0000.00716.42
7.4.220.0040.01416.55
7.4.210.0100.00316.61
7.4.200.0050.00216.49
7.4.160.0060.00916.65
7.4.150.0100.01017.40
7.4.140.0090.01017.86
7.4.130.0120.01016.40
7.4.120.0100.00816.58
7.4.110.0200.00416.45
7.4.100.0060.01016.46
7.4.90.0060.01216.49
7.4.80.0100.00719.39
7.4.70.0030.01516.45
7.4.60.0060.01316.42
7.4.50.0030.00616.59
7.4.40.0130.00916.26
7.4.30.0040.01216.52
7.4.00.0070.00715.12
7.3.330.0020.00213.06
7.3.320.0050.00013.00
7.3.310.0040.00416.03
7.3.300.0000.00816.11
7.3.290.0070.00716.31
7.3.280.0080.01016.29
7.3.270.0120.00617.40
7.3.260.0120.00616.46
7.3.250.0140.00516.46
7.3.240.0090.00916.42
7.3.230.0080.00816.39
7.3.210.0080.00816.25
7.3.200.0070.01619.39
7.3.190.0160.00616.43
7.3.180.0090.00616.34
7.3.170.0090.00616.37
7.3.160.0090.00616.59
7.2.330.0120.00616.59
7.2.320.0070.01016.52
7.2.310.0200.00316.57
7.2.300.0100.00716.61
7.2.290.0110.01016.29
7.1.70.0000.01217.30
7.1.60.0120.01219.40
7.1.50.0060.00616.63
7.1.00.0000.08022.51
7.0.200.0070.00016.05
7.0.140.0030.07022.08
7.0.60.0130.07019.93
7.0.50.0000.04717.81
7.0.40.0200.07020.07
7.0.30.0270.04720.30
7.0.20.0270.05719.99
7.0.10.0030.04320.08
7.0.00.0130.07020.32
5.6.280.0070.07020.89
5.6.210.0070.07020.72
5.6.200.0030.05718.22
5.6.190.0030.07020.27
5.6.180.0170.06020.53
5.6.170.0230.08020.33
5.6.160.0070.08720.46
5.6.150.0000.04018.21
5.6.140.0070.05318.07
5.6.130.0100.08318.21
5.6.120.0130.07721.12
5.6.110.0170.07320.89
5.6.100.0130.05720.97
5.6.90.0030.08321.10
5.6.80.0100.07720.28
5.5.350.0070.08020.37
5.5.340.0070.06717.96
5.5.330.0070.04320.57
5.5.320.0230.03320.31
5.5.310.0430.07020.26
5.5.300.0030.04017.91
5.5.290.0030.08017.96
5.5.280.0070.04320.98
5.5.270.0030.04020.76
5.5.260.0100.07320.84
5.5.250.0100.08320.61
5.5.240.0000.07720.11
5.4.450.0230.05319.21
5.4.440.0130.08319.11
5.4.430.0200.08319.45
5.4.420.0300.06719.25
5.4.410.0130.04318.98
5.4.400.0270.04019.25
5.4.390.0170.04719.25
5.4.380.0200.06019.08
5.4.370.0200.07319.27
5.4.360.0270.07018.92
5.4.350.0200.07718.93
5.4.340.0300.06718.94
5.4.320.0230.05019.05
5.4.310.0370.04319.08
5.4.300.0270.07318.91
5.4.290.0270.06318.82
5.4.280.0330.04319.13
5.4.270.0200.03719.09
5.4.260.0370.04018.79
5.4.250.0230.03019.08
5.4.240.0200.04719.08
5.4.230.0200.05719.27
5.4.220.0130.04019.05
5.4.210.0100.04019.13
5.4.200.0170.03319.21
5.4.190.0130.04019.09
5.4.180.0130.04319.13
5.4.170.0200.04019.09
5.4.160.0170.03319.06
5.4.150.0130.03719.21
5.4.140.0100.04016.26
5.4.130.0130.03716.32
5.4.120.0070.04016.26
5.4.110.0170.03316.47
5.4.100.0170.06716.21
5.4.90.0130.03716.43
5.4.80.0100.03716.21
5.4.70.0130.03316.33
5.4.60.0130.03316.19
5.4.50.0070.04016.17
5.4.40.0100.03716.38
5.4.30.0200.04016.38
5.4.20.0200.04016.36
5.4.10.0200.04016.36
5.4.00.0170.03715.67
5.3.290.0200.06014.57
5.3.280.0200.03314.46
5.3.270.0100.04014.55
5.3.260.0170.05014.53
5.3.250.0100.04014.46
5.3.240.0230.03714.69
5.3.230.0200.03314.46
5.3.220.0100.04014.46
5.3.210.0130.03714.54
5.3.200.0130.03714.46
5.3.190.0130.03714.46
5.3.180.0170.03714.46
5.3.170.0200.04314.51
5.3.160.0170.03314.46
5.3.150.0100.04014.59
5.3.140.0130.03714.52
5.3.130.0070.04314.46
5.3.120.0200.04314.46
5.3.110.0100.04014.57
5.3.100.0170.04314.46
5.3.90.0130.04314.46
5.3.80.0130.03714.46
5.3.70.0170.03314.46
5.3.60.0100.03714.46
5.3.50.0170.03314.46
5.3.40.0270.06714.46
5.3.30.0270.06314.46
5.3.20.0230.04314.46
5.3.10.0200.06714.46
5.3.00.0330.05714.46
5.2.170.0130.03314.46
5.2.160.0070.03314.46
5.2.150.0200.05714.46
5.2.140.0130.04014.46
5.2.130.0130.06314.46
5.2.120.0230.04314.46
5.2.110.0130.03714.46
5.2.100.0200.05314.46
5.2.90.0200.06014.46
5.2.80.0100.04314.46
5.2.70.0130.03714.46
5.2.60.0200.03714.46
5.2.50.0200.05714.46
5.2.40.0200.05714.46
5.2.30.0170.05714.46
5.2.20.0100.04014.46
5.2.10.0100.04714.46
5.2.00.0200.05714.46
5.1.60.0170.02714.46
5.1.50.0270.04314.46
5.1.40.0230.02014.46
5.1.30.0100.04714.46
5.1.20.0200.03314.46
5.1.10.0170.05014.46
5.1.00.0130.05014.46
5.0.50.0100.03314.46
5.0.40.0130.04014.46
5.0.30.0070.06714.46
5.0.20.0070.04014.46
5.0.10.0070.04714.46
5.0.00.0100.06014.46
4.4.90.0070.01714.46
4.4.80.0100.01714.46
4.4.70.0070.03714.46
4.4.60.0100.03314.46
4.4.50.0070.03314.46
4.4.40.0100.02314.46
4.4.30.0070.02714.46
4.4.20.0070.03314.46
4.4.10.0170.02714.46
4.4.00.0100.02314.46
4.3.110.0170.02714.46
4.3.100.0130.02714.46
4.3.90.0100.03314.46
4.3.80.0030.04014.46
4.3.70.0100.02714.46
4.3.60.0100.01714.46
4.3.50.0130.03714.46
4.3.40.0100.04014.46
4.3.30.0030.03714.46
4.3.20.0100.02014.46
4.3.10.0030.03714.46
4.3.00.0030.03314.46

preferences:
47.55 ms | 400 KiB | 5 Q