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)
8.3.60.0000.01518.31
8.3.50.0130.00621.98
8.3.40.0060.01618.88
8.3.30.0060.01219.17
8.3.20.0080.00020.33
8.3.10.0040.00422.14
8.3.00.0040.00422.43
8.2.180.0140.00716.38
8.2.170.0060.00922.96
8.2.160.0070.00718.76
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00417.63
8.2.110.0030.00622.00
8.2.100.0120.00417.84
8.2.90.0050.00219.30
8.2.80.0050.00318.04
8.2.70.0000.00817.50
8.2.60.0040.00418.05
8.2.50.0040.00418.07
8.2.40.0000.00818.22
8.2.30.0070.00018.19
8.2.20.0070.00017.82
8.2.10.0000.00817.69
8.2.00.0090.00019.45
8.1.280.0090.00625.92
8.1.270.0050.00322.19
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.62
8.1.230.0070.00319.00
8.1.220.0000.00917.74
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0000.00817.53
8.1.180.0080.00018.67
8.1.170.0050.00318.66
8.1.160.0040.00422.02
8.1.150.0040.00418.64
8.1.140.0040.00417.38
8.1.130.0070.00017.70
8.1.120.0080.00017.49
8.1.110.0030.00517.46
8.1.100.0040.00417.44
8.1.90.0000.00817.32
8.1.80.0000.00717.45
8.1.70.0000.00717.29
8.1.60.0030.00617.63
8.1.50.0040.00417.45
8.1.40.0080.00017.42
8.1.30.0050.00317.66
8.1.20.0040.00417.54
8.1.10.0000.00717.49
8.1.00.0060.00317.45
8.0.300.0000.00718.77
8.0.290.0040.00417.18
8.0.280.0040.00418.33
8.0.270.0030.00317.17
8.0.260.0000.00716.76
8.0.250.0030.00316.93
8.0.240.0000.00716.85
8.0.230.0030.00316.84
8.0.220.0030.00316.87
8.0.210.0000.00716.91
8.0.200.0030.00317.00
8.0.190.0000.00817.01
8.0.180.0000.00716.90
8.0.170.0000.00816.80
8.0.160.0040.00416.81
8.0.150.0030.00316.80
8.0.140.0020.00516.83
8.0.130.0050.00013.32
8.0.120.0000.00816.87
8.0.110.0070.00016.76
8.0.100.0040.00416.76
8.0.90.0030.00316.78
8.0.80.0050.01116.84
8.0.70.0000.00816.77
8.0.60.0070.00016.95
8.0.50.0070.00016.79
8.0.30.0120.00916.96
8.0.20.0070.01117.40
8.0.10.0070.00016.73
8.0.00.0090.00916.86
7.4.330.0030.00315.00
7.4.320.0000.00616.59
7.4.300.0060.00016.60
7.4.290.0030.00316.38
7.4.280.0020.00516.43
7.4.270.0030.00316.52
7.4.260.0030.00316.52
7.4.250.0040.00416.33
7.4.240.0020.00516.46
7.4.230.0030.00316.34
7.4.220.0070.01116.39
7.4.210.0060.00916.51
7.4.200.0050.00216.43
7.4.190.0000.00716.45
7.4.160.0170.00816.31
7.4.150.0030.01317.40
7.4.140.0090.00917.86
7.4.130.0090.00816.44
7.4.120.0110.00716.43
7.4.110.0090.00916.37
7.4.100.0060.01216.66
7.4.90.0130.00316.51
7.4.80.0070.01419.39
7.4.70.0070.01016.48
7.4.60.0080.00816.53
7.4.50.0000.00516.25
7.4.40.0100.00322.77
7.4.30.0160.00016.55
7.4.00.0070.01015.02
7.3.330.0000.00613.13
7.3.320.0030.00313.18
7.3.310.0070.00016.26
7.3.300.0030.00316.23
7.3.290.0070.01016.33
7.3.280.0110.00816.34
7.3.270.0060.01217.40
7.3.260.0110.00816.43
7.3.250.0100.00816.56
7.3.240.0130.00316.39
7.3.230.0140.00316.55
7.3.210.0120.00316.34
7.3.200.0100.01019.39
7.3.190.0100.00716.62
7.3.180.0100.00716.46
7.3.170.0040.01216.27
7.3.160.0080.00816.32
7.3.120.0070.00714.75
7.2.330.0030.01316.70
7.2.320.0060.01216.78
7.2.310.0140.00716.80
7.2.300.0100.01416.67
7.2.290.0140.00416.65
7.2.60.0060.00916.66
7.2.00.0030.00919.32
7.1.200.0070.00415.93
7.1.100.0060.00918.12
7.1.70.0000.00717.08
7.1.60.0030.02019.82
7.1.50.0040.00816.96
7.1.00.0030.07322.57
7.0.200.0090.00616.67
7.0.140.0070.06722.07
7.0.60.0000.07020.05
7.0.50.0030.04317.81
7.0.40.0170.08020.02
7.0.30.0200.04020.09
7.0.20.0400.06319.95
7.0.10.0270.07020.12
7.0.00.0070.04720.28
5.6.280.0070.07021.03
5.6.210.0030.04020.50
5.6.200.0100.07018.13
5.6.190.0100.08720.39
5.6.180.4000.03020.41
5.6.170.0370.07720.54
5.6.160.0070.06020.48
5.6.150.0030.04018.21
5.6.140.0030.04318.09
5.6.130.0070.07718.12
5.6.120.0070.08721.11
5.6.110.0030.06021.00
5.6.100.0000.06021.12
5.6.90.0070.06720.99
5.6.80.0030.04020.39
5.6.70.0330.07020.36
5.5.350.0130.07320.34
5.5.340.0130.06717.98
5.5.330.0130.07020.07
5.5.320.0230.03320.17
5.5.310.0230.04320.29
5.5.300.0070.03717.91
5.5.290.0030.05017.98
5.5.280.0170.07720.73
5.5.270.0000.08720.75
5.5.260.0000.04320.87
5.5.250.0130.07020.68
5.5.240.0100.07020.13
5.4.450.0270.05019.42
5.4.440.0100.05719.60
5.4.430.0070.06319.62
5.4.420.0100.05719.25
5.4.410.0230.06319.04
5.4.400.0800.00018.69
5.4.390.0800.00018.61
5.4.380.0230.05318.68
5.4.370.0170.06018.49
5.4.360.0400.05318.60
5.4.350.0230.05318.71
5.4.340.0300.05318.53
5.4.320.0050.03712.45
5.4.310.0060.03712.45
5.4.300.0030.04612.45
5.4.290.0010.04312.45
5.4.280.0050.03812.34
5.4.270.0130.05018.99
5.4.260.0100.05018.61
5.4.250.0100.07318.80
5.4.240.0200.04018.79
5.4.230.0100.05318.85
5.4.220.0100.06718.74
5.4.210.0070.06318.65
5.4.200.0170.05718.83
5.4.190.0130.05718.59
5.4.180.0170.04318.59
5.4.170.0070.07018.85
5.4.160.0100.06018.63
5.4.150.0170.04718.84
5.4.140.0130.04316.29
5.4.130.0130.04316.27
5.4.120.0030.05716.41
5.4.110.0130.04316.27
5.4.100.0100.04316.27
5.4.90.0100.06716.36
5.4.80.0100.06716.25
5.4.70.0100.04316.25
5.4.60.0070.05016.48
5.4.50.0070.05016.19
5.4.40.0070.05716.47
5.4.30.0130.06316.23
5.4.20.0170.06316.42
5.4.10.0030.08016.36
5.4.00.0130.04315.74
5.3.290.0080.03912.80
5.3.280.0130.05714.36
5.3.270.0030.05714.70
5.3.260.0070.05314.49
5.3.250.0070.05314.62
5.3.240.0070.05014.62
5.3.230.0100.06714.47
5.3.220.0130.04314.48
5.3.210.0130.04714.58
5.3.200.0070.05014.34
5.3.190.0170.06014.40
5.3.180.0030.05714.65
5.3.170.0070.05014.56
5.3.160.0100.04714.61
5.3.150.0170.05314.43
5.3.140.0070.07314.71
5.3.130.0200.04714.46
5.3.120.0070.06014.48
5.3.110.0070.08014.56
5.3.100.0130.05314.06
5.3.90.0070.07313.87
5.3.80.0170.05014.02
5.3.70.0130.06314.01
5.3.60.0270.03713.85
5.3.50.0100.07013.95
5.3.40.0130.06313.95
5.3.30.0130.05713.90
5.3.20.0070.07013.56
5.3.10.0070.05313.66
5.3.00.0100.05313.57
5.2.170.0130.03711.07
5.2.160.0000.04311.05
5.2.150.0100.05310.90
5.2.140.0000.04711.15
5.2.130.0030.05711.11
5.2.120.0100.04311.11
5.2.110.0030.04011.21
5.2.100.0130.03311.12
5.2.90.0030.04711.02
5.2.80.0000.05310.99
5.2.70.0100.04710.98
5.2.60.0070.05310.98
5.2.50.0070.04010.78
5.2.40.0070.03711.08
5.2.30.0070.05310.98
5.2.20.0030.04311.06
5.2.10.0100.03310.80
5.2.00.0030.04010.70
5.1.60.0100.0439.94
5.1.50.0100.0409.95
5.1.40.0070.04710.07
5.1.30.0030.03710.22
5.1.20.0030.05010.52
5.1.10.0030.0409.89
5.1.00.0100.03010.02
5.0.50.0030.0308.45
5.0.40.0030.0278.23
5.0.30.0030.0538.21
5.0.20.0100.0238.27
5.0.10.0070.0238.23
5.0.00.0070.0408.24
4.4.90.0070.0276.82
4.4.80.0070.0276.82
4.4.70.0030.0306.82
4.4.60.0030.0276.82
4.4.50.0030.0276.82
4.4.40.0070.0306.82
4.4.30.0030.0276.82
4.4.20.0000.0276.82
4.4.10.0070.0206.82
4.4.00.0000.0376.82
4.3.110.0030.0206.82
4.3.100.0030.0206.82
4.3.90.0030.0206.82
4.3.80.0000.0436.82
4.3.70.0000.0236.82
4.3.60.0030.0276.82
4.3.50.0100.0236.82
4.3.40.0100.0276.82
4.3.30.0000.0306.82
4.3.20.0070.0276.82
4.3.10.0030.0206.82
4.3.00.0070.0207.38

preferences:
45.51 ms | 401 KiB | 5 Q