3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr("Mueller",-2); ?>

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)
8.3.70.0160.00616.75
8.3.60.0070.00718.30
8.3.50.0120.01021.95
8.3.40.0090.00918.73
8.3.30.0140.00018.97
8.3.20.0040.00420.07
8.3.10.0080.00021.60
8.3.00.0040.00418.89
8.2.190.0090.00916.58
8.2.180.0070.01116.32
8.2.170.0070.00722.96
8.2.160.0070.01019.21
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0000.00826.16
8.2.120.0040.00421.07
8.2.110.0090.00022.29
8.2.100.0030.00917.66
8.2.90.0040.00417.48
8.2.80.0060.00318.82
8.2.70.0030.00517.68
8.2.60.0080.00018.03
8.2.50.0050.00319.21
8.2.40.0000.00821.20
8.2.30.0000.00719.23
8.2.20.0040.00417.59
8.2.10.0040.00417.91
8.2.00.0040.00417.48
8.1.280.0140.00025.92
8.1.270.0040.00418.75
8.1.260.0100.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00623.65
8.1.230.0080.00320.89
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0000.00917.10
8.1.190.0060.00317.10
8.1.180.0080.00019.02
8.1.170.0030.00618.39
8.1.160.0070.00318.94
8.1.150.0000.00718.81
8.1.140.0040.00417.26
8.1.130.0070.00017.75
8.1.120.0050.00317.36
8.1.110.0000.00717.20
8.1.100.0050.00217.19
8.1.90.0040.00417.33
8.1.80.0030.00717.33
8.1.70.0040.00417.33
8.1.60.0090.00017.50
8.1.50.0000.00817.36
8.1.40.0040.00417.40
8.1.30.0030.00617.34
8.1.20.0000.00717.43
8.1.10.0040.00417.48
8.1.00.0040.00417.26
8.0.300.0040.00418.77
8.0.290.0000.00816.61
8.0.280.0030.00318.41
8.0.270.0000.00817.17
8.0.260.0000.00617.18
8.0.250.0030.00316.82
8.0.240.0060.00016.73
8.0.230.0070.00016.80
8.0.220.0030.00316.76
8.0.210.0040.00416.77
8.0.200.0000.00616.79
8.0.190.0000.00816.77
8.0.180.0000.00716.66
8.0.170.0040.00416.80
8.0.160.0050.00316.74
8.0.150.0040.00416.76
8.0.140.0030.00516.75
8.0.130.0000.00813.14
8.0.120.0000.00816.68
8.0.110.0080.00016.73
8.0.100.0040.00416.81
8.0.90.0000.00716.80
8.0.80.0150.01016.80
8.0.70.0030.00316.80
8.0.60.0000.00716.56
8.0.50.0060.00316.70
8.0.30.0120.01317.00
8.0.20.0140.01117.40
8.0.10.0000.00716.76
8.0.00.0080.01016.59
7.4.330.0020.00215.03
7.4.320.0030.00316.47
7.4.300.0030.00316.27
7.4.290.0070.00016.34
7.4.280.0050.00216.26
7.4.270.0030.00316.38
7.4.260.0030.00616.44
7.4.250.0030.00516.40
7.4.240.0050.00216.38
7.4.230.0040.00416.54
7.4.220.0130.01316.54
7.4.210.0040.01116.53
7.4.200.0050.00216.45
7.4.160.0080.00816.46
7.4.150.0120.00617.40
7.4.140.0070.00917.86
7.4.130.0110.00616.43
7.4.120.0120.00516.33
7.4.110.0100.01016.21
7.4.100.0000.01816.29
7.4.90.0060.01116.55
7.4.80.0100.01419.39
7.4.70.0160.00016.18
7.4.60.0030.01316.30
7.4.50.0040.00416.39
7.4.40.0150.00016.46
7.4.30.0030.01316.44
7.4.00.0100.00614.89
7.3.330.0030.00312.96
7.3.320.0050.00012.95
7.3.310.0000.00616.08
7.3.300.0030.00315.98
7.3.290.0120.00416.14
7.3.280.0060.01016.12
7.3.270.0060.01217.40
7.3.260.0100.01015.99
7.3.250.0100.00716.36
7.3.240.0140.00416.50
7.3.230.0080.00916.39
7.3.210.0070.01016.20
7.3.200.0100.00719.39
7.3.190.0120.00316.41
7.3.180.0070.01016.28
7.3.170.0120.00916.27
7.3.160.0070.01016.33
7.3.120.0100.00614.90
7.3.110.0070.00714.44
7.3.100.0120.00614.97
7.3.90.0060.00614.48
7.3.80.0030.01014.89
7.3.70.0000.01214.62
7.3.60.0040.00714.56
7.3.50.0040.00814.64
7.3.40.0070.00714.68
7.3.30.0030.01014.68
7.3.20.0030.01016.40
7.3.10.0090.00916.55
7.3.00.0080.00416.45
7.2.330.0090.00916.29
7.2.320.0100.00616.57
7.2.310.0130.01016.15
7.2.300.0170.00016.55
7.2.290.0040.01416.52
7.2.250.0040.01414.89
7.2.240.0060.01315.02
7.2.230.0000.01015.04
7.2.220.0070.01115.05
7.2.210.0030.01014.65
7.2.200.0000.01014.82
7.2.190.0070.00714.76
7.2.180.0070.00714.91
7.2.170.0030.00614.80
7.2.80.0030.01216.65
7.2.60.0050.00516.65
7.2.00.0030.01218.90
7.1.330.0090.00615.77
7.1.320.0100.00715.63
7.1.310.0060.00615.74
7.1.300.0060.00615.58
7.1.290.0080.00415.73
7.1.280.0070.00715.45
7.1.270.0000.01315.46
7.1.260.0110.00415.50
7.1.200.0000.01415.63
7.1.100.0030.00818.14
7.1.70.0090.00317.13
7.1.60.0070.00417.16
7.1.50.0040.00816.54
7.1.00.0030.07722.54
7.0.200.0070.01016.73
7.0.140.0030.07322.09
7.0.60.0030.08019.98
7.0.50.0170.04317.89
7.0.40.0070.07020.21
7.0.30.0230.05320.02
7.0.20.0200.08720.02
7.0.10.0030.05020.18
7.0.00.0000.04720.01
5.6.280.0030.07321.12
5.6.210.0100.05020.66
5.6.200.0070.05318.11
5.6.190.0130.08020.44
5.6.180.0300.08320.60
5.6.170.0270.07720.48
5.6.160.0070.04020.46
5.6.150.0030.03718.11
5.6.140.0070.07718.14
5.6.130.0200.07018.14
5.6.120.0030.04020.97
5.6.110.0030.06020.97
5.6.100.0070.03721.13
5.6.90.0130.08021.02
5.6.80.0070.06320.53
5.5.350.0230.07720.39
5.5.340.0130.07317.97
5.5.330.0000.05020.57
5.5.320.0470.07020.32
5.5.310.0270.03720.22
5.5.300.0030.08317.95
5.5.290.0030.06317.95
5.5.280.0070.08320.96
5.5.270.0100.04720.94
5.5.260.0030.09020.86
5.5.250.0030.08020.70
5.5.240.0100.07320.07
5.4.450.0470.06719.44
5.4.440.0200.05319.46
5.4.430.0200.04719.27
5.4.420.0170.05019.45
5.4.410.0100.06019.48
5.4.400.0170.05018.95
5.4.390.0370.06018.52
5.4.380.0430.07018.57
5.4.370.0370.07318.55
5.4.360.0230.07718.67
5.4.350.0370.07318.65
5.4.340.0470.06318.69
5.4.320.0330.07318.64
5.4.310.0230.05718.73
5.4.300.0400.04318.52
5.4.290.0270.06318.72
5.4.280.0300.05018.66
5.4.270.0130.06018.51
5.4.260.0230.07018.64
5.4.250.0300.04718.65
5.4.240.0300.05018.67
5.4.230.0300.05018.64
5.4.220.0230.06018.50
5.4.210.0230.05318.71
5.4.200.0300.06016.63
5.4.190.0170.05718.63
5.4.180.0370.05018.53
5.4.170.0200.07718.66
5.4.160.0400.06318.43
5.4.150.0330.08018.54
5.4.140.0400.06716.13
5.4.130.0500.03716.39
5.4.120.0370.05016.16
5.4.110.0330.04716.34
5.4.100.0370.05716.24
5.4.90.0170.06016.12
5.4.80.0430.04316.13
5.4.70.0300.05716.34
5.4.60.0430.05016.00
5.4.50.0270.07316.05
5.4.40.0430.06316.02
5.4.30.0330.07016.15
5.4.20.0470.07016.09
5.4.10.0400.05316.16
5.4.00.0570.05715.49
5.3.290.0330.06314.57
5.3.280.0470.04714.48
5.3.270.0400.05714.69
5.3.260.0430.05314.50
5.3.250.0300.06314.51
5.3.240.0300.05314.52
5.3.230.0370.05314.57
5.3.220.0400.05714.54
5.3.210.0370.05314.54
5.3.200.0300.05314.56
5.3.190.0330.05314.47
5.3.180.0400.05014.54
5.3.170.0400.05314.59
5.3.160.0270.05714.53
5.3.150.0370.04314.55
5.3.140.0330.04714.54
5.3.130.0230.05714.50
5.3.120.0330.05314.64
5.3.110.0330.06014.52
5.3.100.0570.03314.11
5.3.90.0300.06713.94
5.3.80.0430.05013.94
5.3.70.0170.06313.93
5.3.60.0400.06013.89
5.3.50.0330.05713.93
5.3.40.0230.06013.97
5.3.30.0270.05013.88
5.3.20.0330.06013.60
5.3.10.0230.07013.68
5.3.00.0370.05013.54
5.2.170.0270.04711.05
5.2.160.0270.04011.13
5.2.150.0200.05011.18
5.2.140.0400.03311.07
5.2.130.0230.03711.08
5.2.120.0270.03311.02
5.2.110.0270.04311.14
5.2.100.0270.04011.02
5.2.90.0300.04011.08
5.2.80.0270.04711.13
5.2.70.0230.04711.07
5.2.60.0300.05010.96
5.2.50.0230.04011.05
5.2.40.0130.04011.01
5.2.30.0300.04011.00
5.2.20.0130.04310.93
5.2.10.0230.03710.81
5.2.00.0200.04010.69
5.1.60.0230.03010.02
5.1.50.0230.03710.05
5.1.40.0300.04310.09
5.1.30.0270.03310.30
5.1.20.0400.04710.40
5.1.10.0200.04010.20
5.1.00.0200.04310.11
5.0.50.0130.0308.61
5.0.40.0270.0308.43
5.0.30.0070.0478.25
5.0.20.0070.0308.38
5.0.10.0130.0308.25
5.0.00.0100.0538.18
4.4.90.0170.0235.90
4.4.80.0100.0235.93
4.4.70.0070.0305.93
4.4.60.0170.0235.91
4.4.50.0100.0205.89
4.4.40.0100.0375.88
4.4.30.0070.0275.89
4.4.20.0130.0205.91
4.4.10.0070.0235.95
4.4.00.0070.0375.93
4.3.110.0100.0275.86
4.3.100.0100.0235.82
4.3.90.0170.0235.82
4.3.80.0070.0375.77
4.3.70.0100.0205.81
4.3.60.0100.0205.90
4.3.50.0070.0275.78
4.3.40.0030.0405.76
4.3.30.0000.0304.67
4.3.20.0100.0274.53
4.3.10.0100.0274.52
4.3.00.0100.0207.29

preferences:
53.6 ms | 401 KiB | 5 Q