3v4l.org

run code in 300+ PHP versions simultaneously
<?php $result = ""; for ($t=0; $t<128; $t++) $result .= chr($t); echo "strlen = ".strlen($result)."\n"; echo "Result = ".$result."\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)
8.3.60.0070.00718.55
8.3.50.0100.01222.06
8.3.40.0110.01118.80
8.3.30.0030.01219.27
8.3.20.0000.00820.16
8.3.10.0050.00322.09
8.3.00.0000.00722.58
8.2.180.0120.00616.63
8.2.170.0170.00322.96
8.2.160.0070.00718.81
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0030.01626.16
8.2.120.0040.00419.83
8.2.110.0060.00320.57
8.2.100.0060.00619.70
8.2.90.0000.00818.28
8.2.80.0040.00417.97
8.2.70.0060.00317.75
8.2.60.0040.00418.00
8.2.50.0000.00818.07
8.2.40.0040.00418.16
8.2.30.0000.00718.00
8.2.20.0050.00217.64
8.2.10.0080.00017.68
8.2.00.0080.00019.40
8.1.280.0040.01525.92
8.1.270.0000.00822.14
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.24
8.1.230.0070.00420.99
8.1.220.0060.00317.76
8.1.210.0040.00718.91
8.1.200.0000.00917.35
8.1.190.0080.00017.53
8.1.180.0060.00318.10
8.1.170.0040.00418.50
8.1.160.0040.00422.02
8.1.150.0000.00718.61
8.1.140.0040.00417.52
8.1.130.0000.00717.83
8.1.120.0030.00317.52
8.1.110.0050.00317.32
8.1.100.0000.00717.36
8.1.90.0080.00017.45
8.1.80.0000.00717.45
8.1.70.0030.00317.36
8.1.60.0060.00317.60
8.1.50.0070.00017.42
8.1.40.0040.00417.48
8.1.30.0000.00817.51
8.1.20.0040.00417.55
8.1.10.0000.00717.56
8.1.00.0000.00717.48
8.0.300.0030.00320.04
8.0.290.0030.00317.16
8.0.280.0040.00418.45
8.0.270.0030.00317.14
8.0.260.0030.00316.84
8.0.250.0030.00316.98
8.0.240.0000.00716.94
8.0.230.0040.00316.84
8.0.220.0030.00316.87
8.0.210.0020.00516.90
8.0.200.0030.00316.96
8.0.190.0000.00816.96
8.0.180.0000.00716.80
8.0.170.0000.00816.92
8.0.160.0030.00416.84
8.0.150.0030.00316.84
8.0.140.0030.00616.75
8.0.130.0050.00013.29
8.0.120.0040.00416.76
8.0.110.0000.00816.74
8.0.100.0050.00216.82
8.0.90.0070.00016.80
8.0.80.0180.00016.83
8.0.70.0000.00716.69
8.0.60.0070.00016.64
8.0.50.0040.00416.90
8.0.30.0050.01417.07
8.0.20.0090.00917.40
8.0.10.0040.00416.80
8.0.00.0120.00516.70
7.4.330.0060.00015.01
7.4.320.0000.00616.36
7.4.300.0020.00516.52
7.4.290.0070.00016.56
7.4.280.0050.00216.39
7.4.270.0000.00616.55
7.4.260.0000.00816.49
7.4.250.0040.00416.52
7.4.240.0030.00416.54
7.4.230.0030.00316.64
7.4.220.0100.01016.50
7.4.210.0050.00916.46
7.4.200.0070.00016.52
7.4.190.0050.00216.42
7.4.160.0030.01316.45
7.4.150.0030.01417.40
7.4.140.0160.00117.86
7.4.130.0100.01016.61
7.4.120.0090.00816.46
7.4.110.0140.00816.32
7.4.100.0070.01016.35
7.4.90.0030.01516.42
7.4.80.0170.00319.39
7.4.70.0120.00416.50
7.4.60.0060.01116.36
7.4.50.0040.00416.45
7.4.40.0060.00522.77
7.4.30.0060.00916.41
7.4.00.0030.00514.61
7.3.330.0000.00513.26
7.3.320.0000.00513.27
7.3.310.0030.00316.38
7.3.300.0030.00316.38
7.3.290.0100.00716.29
7.3.280.0090.01016.30
7.3.270.0070.01117.40
7.3.260.0150.00616.56
7.3.250.0120.00816.27
7.3.240.0100.00616.33
7.3.230.0090.01216.64
7.3.210.0160.00016.57
7.3.200.0100.01019.39
7.3.190.0160.00616.34
7.3.180.0090.00616.60
7.3.170.0140.00716.30
7.3.160.0120.00416.56
7.3.120.0030.01014.73
7.3.110.0030.01014.77
7.3.100.0030.01315.15
7.3.90.0060.00314.82
7.3.80.0040.01115.14
7.3.70.0110.00714.57
7.3.60.0110.00414.59
7.3.50.0150.00014.62
7.3.40.0070.01014.84
7.3.30.0060.00614.67
7.3.20.0060.00616.66
7.3.10.0110.00316.02
7.3.00.0030.00916.74
7.2.330.0170.00316.30
7.2.320.0080.00816.86
7.2.310.0060.01116.29
7.2.300.0140.01016.75
7.2.290.0060.01316.74
7.2.240.0110.00414.83
7.2.230.0050.00515.16
7.2.220.0110.00315.16
7.2.210.0000.01115.07
7.2.200.0060.00914.77
7.2.190.0060.01014.70
7.2.180.0060.00614.96
7.2.170.0080.00814.89
7.2.160.0040.00814.97
7.2.150.0030.00916.89
7.2.140.0040.00817.00
7.2.130.0080.00817.00
7.2.120.0000.01116.92
7.2.110.0040.01517.08
7.2.100.0030.00916.54
7.2.90.0030.01317.04
7.2.80.0030.01316.97
7.2.70.0060.00916.77
7.2.60.0060.01017.01
7.2.50.0040.01416.68
7.2.40.0030.01316.68
7.2.30.0060.00316.93
7.2.20.0070.00716.92
7.2.10.0070.00716.97
7.2.00.0040.01116.97
7.1.330.0070.01015.80
7.1.320.0090.00315.94
7.1.310.0040.00815.45
7.1.300.0060.00615.82
7.1.290.0080.00015.66
7.1.280.0040.00815.72
7.1.270.0070.00715.76
7.1.260.0060.00615.74
7.1.250.0040.01115.70
7.1.200.0110.00715.52
7.1.70.0030.00616.86
7.1.60.0170.00719.82
7.1.50.0060.00616.70
7.1.00.0070.07322.46
7.0.200.0100.00216.79
7.0.140.0070.07022.00
7.0.60.0070.05020.05
7.0.50.0030.07017.80
7.0.40.0070.08020.03
7.0.30.0200.04320.04
7.0.20.0230.04720.09
7.0.10.0270.07720.00
7.0.00.0170.08020.00
5.6.280.0070.07021.06
5.6.210.0130.06320.50
5.6.200.0070.03718.15
5.6.190.0130.06020.61
5.6.180.3570.04320.49
5.6.170.0370.06320.44
5.6.160.0030.05320.54
5.6.150.0030.04018.18
5.6.140.0030.08318.16
5.6.130.0070.05318.05
5.6.120.0070.08721.00
5.6.110.0130.07720.96
5.6.100.0230.06321.13
5.6.90.0100.03320.95
5.6.80.0100.07720.43
5.6.70.0200.04720.34
5.5.350.0000.04720.39
5.5.340.0070.08317.92
5.5.330.0100.04320.19
5.5.320.0330.07020.24
5.5.310.0200.06320.26
5.5.300.0030.08318.02
5.5.290.0030.05717.95
5.5.280.0100.08020.76
5.5.270.0170.03720.82
5.5.260.0030.04020.73
5.5.250.0100.05720.46
5.5.240.0100.07720.36
5.4.450.0230.05719.46
5.4.440.0530.05319.46
5.4.430.0070.06019.51
5.4.420.0070.06019.35
5.4.410.0100.05319.57
5.4.400.0800.00018.69
5.4.390.0730.00018.77
5.4.380.0230.05718.74
5.4.370.0230.05318.56
5.4.360.0330.05718.71
5.4.350.0170.05718.71
5.4.340.0230.06018.59
5.4.320.0080.04212.45
5.4.310.0040.03912.45
5.4.300.0050.03912.45
5.4.290.0040.04012.45
5.4.280.0080.03312.34
5.4.270.0000.06018.87
5.4.260.0030.08018.76
5.4.250.0100.05318.99
5.4.240.0070.05318.99
5.4.230.0030.08018.73
5.4.220.0200.05718.61
5.4.210.0030.05718.95
5.4.200.0100.05318.86
5.4.190.0170.07018.66
5.4.180.0130.04718.89
5.4.170.0200.06018.87
5.4.160.0170.05718.64
5.4.150.0130.05018.89
5.4.140.0170.06316.18
5.4.130.0200.04016.20
5.4.120.0100.04716.41
5.4.110.0100.06016.35
5.4.100.0130.04716.22
5.4.90.0100.05316.37
5.4.80.0170.05716.20
5.4.70.0030.07316.44
5.4.60.0100.05016.42
5.4.50.0200.05316.28
5.4.40.0030.06716.34
5.4.30.0200.05016.28
5.4.20.0070.05316.18
5.4.10.0200.05316.22
5.4.00.0100.06015.65
5.3.290.0070.03912.80
5.3.280.0130.06714.58
5.3.270.0100.07314.59
5.3.260.0070.05714.60
5.3.250.0030.05714.49
5.3.240.0030.05314.38
5.3.230.0170.06314.30
5.3.220.0100.05014.60
5.3.210.0070.05714.66
5.3.200.0070.05014.42
5.3.190.0030.06014.57
5.3.180.0070.06014.59
5.3.170.0070.05714.56
5.3.160.0170.06714.56
5.3.150.0170.04314.35
5.3.140.0130.04314.64
5.3.130.0070.05014.55
5.3.120.0130.06714.38
5.3.110.0100.05014.24
5.3.100.0130.06714.20
5.3.90.0100.05313.96
5.3.80.0100.05013.90
5.3.70.0130.06014.03
5.3.60.0070.05313.94
5.3.50.0070.05013.86
5.3.40.0100.06313.96
5.3.30.0100.04313.82
5.3.20.0130.05713.69
5.3.10.0070.04713.75
5.3.00.0100.05013.61
5.2.170.0130.05010.90
5.2.160.0000.05311.16
5.2.150.0100.05010.90
5.2.140.0070.05310.90
5.2.130.0070.04311.19
5.2.120.0130.04311.25
5.2.110.0070.04711.02
5.2.100.0100.03311.19
5.2.90.0100.03711.09
5.2.80.0100.04311.20
5.2.70.0070.04011.20
5.2.60.0100.05710.89
5.2.50.0100.05310.92
5.2.40.0000.04310.89
5.2.30.0030.04310.98
5.2.20.0070.03710.84
5.2.10.0030.04010.86
5.2.00.0000.05310.69
5.1.60.0000.0509.94
5.1.50.0070.04310.22
5.1.40.0000.05010.06
5.1.30.0070.03310.41
5.1.20.0130.04310.56
5.1.10.0130.03010.03
5.1.00.0100.03310.13
5.0.50.0070.0278.51
5.0.40.0030.0278.47
5.0.30.0030.0438.21
5.0.20.0100.0278.42
5.0.10.0070.0378.16
5.0.00.0030.0408.19
4.4.90.0130.0136.82
4.4.80.0000.0236.82
4.4.70.0130.0176.82
4.4.60.0070.0206.82
4.4.50.0070.0176.82
4.4.40.0070.0406.82
4.4.30.0070.0236.82
4.4.20.0030.0306.82
4.4.10.0000.0236.82
4.4.00.0000.0376.82
4.3.110.0000.0276.82
4.3.100.0000.0236.82
4.3.90.0030.0206.82
4.3.80.0030.0336.82
4.3.70.0030.0276.82
4.3.60.0100.0236.82
4.3.50.0100.0136.82
4.3.40.0100.0376.82
4.3.30.0000.0236.82
4.3.20.0070.0236.82
4.3.10.0030.0236.82
4.3.00.0070.0237.39

preferences:
48.38 ms | 401 KiB | 5 Q